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Technical Specifications

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🛠 Engineering Excellence

Technical Specifications

Comprehensive technical data for all KC Modular building systems. Premium steel-frame and timber-frame construction, high-performance insulation, and industry-leading certifications — engineered for durability, efficiency, and compliance.

💡 Key Takeaways — KC Modular Building Specifications

🎯 Performance Summary

  • Best U-Values: Walls 0.08–0.18, Roof 0.08–0.13, Floor 0.10–0.15 W/m²K
  • Energy Rating: A+ rated, exceeds Part L 2021 by up to 300%
  • Lifespan: 50–75 years structural (premium lodges: 75+ years)
  • Fire Safety: REI60 rated, FD30/FD60 doors available
  • Heating Efficiency: SCOP 4.5–5.0+ heat pumps

📜 Certifications

  • Quality: ISO 9001, ISO 14001, ISO 1090, ISO 3834
  • Residential: BS3632, EN 1647, NCC Approved, TÜV Certified
  • Safety: Constructionline Bronze, SSIP, Acclaim
  • Compliance: Part L, Part M, Part B, Part P, BS7671

📅 Delivery & Warranty

  • Lead Time: 4–16 weeks depending on specification
  • Installation: 90% factory-built, 1–3 days on-site
  • Structural Warranty: 15–75 years
  • Defects Warranty: 24 months comprehensive
📈 Performance at a Glance

Industry-Leading Specifications

Our modular buildings exceed UK Building Regulations and deliver exceptional thermal, acoustic, and structural performance.

0.11
W/m²K Roof U-Value
0.13
W/m²K Wall U-Value
4.5
SCOP Heat Pump
75
Year Structural Life
REI60
Fire Rating Available
ISO 9001
ISO 14001
ISO 1090
ISO 3834
Part L 2021
Constructionline
TÜV Certified
EN 1647
⭐ Premium Range

Bespoke Modular Buildings

Premium steel-frame modular buildings designed for speed, durability, aesthetics, and long-term performance. Custom-engineered, factory-finished, and installed with minimal disruption — ideal for residential, commercial, education, healthcare, and hospitality environments.

Bespoke Building Examples

From commercial showrooms to sports pavilions — every project custom-engineered to your requirements.

Thermal Performance (U-Values)

Exceeding Part L 2021 requirements — optional A-rated energy performance available.

External Walls
0.16–0.18
W/m²K
Roof
0.11
W/m²K
Floor
0.11–0.13
W/m²K
Windows (UPVC)
0.7
W/m²K
Doors (Aluminium)
1.1
W/m²K

Detailed Specifications

Click each section to expand full technical details.

🛠 1. Structure & Build Quality

Steel Structural Frame

  • Manufactured from high-strength closed steel profiles
  • Engineered for long-term durability and precise alignment
  • Anti-corrosive coating ensures long service life
  • Compliant with EN standards for structural integrity
  • Perfect for multi-module configurations
Key Benefits
  • Very high dimensional accuracy vs on-site construction
  • Low maintenance and excellent lifespan
  • Reduced long-term settlement or deformation
  • Stackable up to 3 floors
🏢 2. External Walls — High-Performance Insulated Panels
🧱

Kingspan KS1000/1150 TL Panels

Superior building envelope performance with industry-leading insulation.

Specification Value
U-Value 0.18 W/m²K (Standard)
Fire Classification EN 13501-1 B-s2,d0
Fire Resistance (EW) 45 min (o↔i) – 4m
Fire Resistance (EI) 30 min (o↔i) – 7.5m
Acoustic Rating 25 (-3,-5) dB
Installation Vertical or horizontal
Key Benefits
  • Outstanding thermal efficiency reduces energy costs
  • Excellent acoustic insulation for comfort and privacy
  • Factory-finished surface – minimal maintenance
  • Non-combustible mineral wool core option available
🖼 3. Internal Walls
📌

Kingspan QuadCore® KS1150TL (100mm)

  • Double-sided white finish for clean, bright interior
  • High insulation properties
  • Excellent acoustic separation
  • Maintenance-free surface
  • Rockwool 45mm acoustic insulation option
Key Benefits
  • Hygienic, wipe-clean interior
  • Suitable for commercial and residential use
  • Enhanced fire-performance characteristics
🏠 4. Roof System

Kingspan QuadCore® KS1150TL (170mm)

Specification Value
U-Value 0.11 W/m²K
Membrane Protan SE 2.0
UV Resistance Yes
Flame Retardant Yes
Seams Welded for perfect waterproofing
Key Benefits
  • Extremely energy-efficient roof
  • Long lifespan due to UV protection
  • No flat-roof drainage issues due to correct falls
  • Suitable for solar panel installation
  • Green/sedum roof option available
🧱 5. Floor Construction
🛇

Insulated Steel Floor System

Specification Value
U-Value 0.11 W/m²K
Substrate Cement–chipboard (18mm)
Finish SPC Vinyl Flooring (Rigid-Core)
Wear Class Class 42 (Commercial)
Waterproof 100%
SPC Flooring Benefits
  • 100% waterproof
  • High wear resistance (Class 42)
  • Realistic wood/stone textures
  • Suitable for high-traffic areas
  • Warm, stable, and quiet underfoot
  • Superior moisture and mould resistance
🚪 6. Windows & Doors
🚪

Aluminium Entrance Doors

  • Customisable RAL colour
  • U-value: 1.1 W/m²K
  • High-security locking system
🪟

UPVC Windows

  • U-value: 0.7 W/m²K
  • Multi-chamber frames
  • Double glazing (triple optional)
  • Optional acoustic glazing
Key Benefits
  • High energy efficiency — reduce heating costs
  • Secure and durable
  • Suitable for commercial & residential installations
🔥 7. Internal Fire Doors
🔥

FD30 / FD60 Fire Doors

  • FD30 rated (30 minutes fire resistance)
  • FD60 option available (60 minutes)
  • Smoke-resistant
  • Enhanced acoustic rating
Key Benefits
  • Essential for safety compliance
  • Required for commercial and public buildings
  • Increases building fire protection
🛀 8. Sanitary Areas
🛀

Premium Sanitary Specification

  • GEBERIT wall-hung toilets
  • Quality under-sink cabinets
  • Easy-clean Rocko Tiles (2800×1230×4mm, vertical)
  • Anti-mould, waterproof finishes
  • 25-year warranty on Geberit systems
Key Benefits
  • Premium, modern aesthetic
  • Easy to clean and maintain
  • Hygienic and durable
  • Suitable for high-traffic commercial use
🌡 9. Heating & Ventilation

Air-to-Air Heat Pump System

Specification Value
Type Air-to-Air Heat Pump
SCOP (Efficiency) 4.5
Heating Yes
Cooling Yes
Control Remote / Smart Thermostat
Key Benefits
  • Year-round comfort — heating and cooling
  • Highly efficient — low running costs
  • Quiet operation
  • Environmentally friendly
🌀

MVHR (Optional Upgrade)

  • Mechanical Ventilation with Heat Recovery
  • Recovers up to 90% of heat from exhaust air
  • Continuous fresh air supply
  • Reduces condensation and mould risk
  • Ideal for airtight, energy-efficient buildings
🎨 10. External Cladding Options
🎨

Hidden-Fix Steel Cladding

  • Clean, modern appearance with no visible fixings
  • Available in any RAL colour
  • Low maintenance
  • Durable and weather-resistant
🌳

Wood-Effect Cladding

  • Realistic timber appearance
  • No painting or staining required
  • Weather-resistant composite material
  • Ideal for rural or residential settings
🧱

Brick Slip Cladding

  • Authentic brick appearance
  • Lightweight — no structural load
  • Multiple brick styles and colours
  • Perfect for planning-sensitive areas

Popular RAL Colours:

5011
5020
7016
9005
9010
1024
6005
8003
⚡ 11. Electrical Installation

Full Electrical Specification

Component Specification
Consumer Unit RCD Protected, UK Standard
Lighting IP65 LED Panels (Energy Efficient)
Emergency Lighting 3-hour maintained
Sockets Double sockets throughout
Data Points Cat6 cabling (optional)
Compliance BS7671 18th Edition
Key Benefits
  • Fully compliant with UK regulations
  • Energy-efficient LED lighting throughout
  • Ready for immediate occupancy
  • Future-proof data infrastructure
♿ 12. Accessibility & Compliance

DDA / Part M Compliance

  • Level access thresholds
  • Wheelchair-accessible doorways (min 900mm)
  • Accessible WC facilities available
  • Handrails and grab rails
  • Contrasting door frames and signage
  • Cat 2 accessibility standard
Key Benefits
  • Inclusive design for all users
  • Meets Building Regulations Part M
  • Suitable for public and commercial use
📦 Portable & Relocatable

ISO Frame Modular Buildings

Robust, relocatable steel-frame units ideal for site offices, welfare facilities, classrooms, and temporary accommodation. Stackable up to 3 storeys, rapid deployment, and fully compliant with UK Building Regulations.

ISO Frame Building Examples

From single portable cabins to multi-storey modular complexes — rapid deployment for any requirement.

ISO Frame Key Features

🛠

Steel Frame Construction

  • High-strength galvanised steel frame
  • ISO container corner castings
  • Stackable up to 3 storeys
  • Crane-liftable for rapid deployment
  • Fully relocatable
📏

Standard Sizes

Size Dimensions
10ft Unit 3.0m × 2.45m
16ft Unit 4.8m × 2.45m
20ft Unit 6.0m × 2.45m
24ft Unit 7.3m × 2.45m
Custom Up to 15m × 4m
🌡

Thermal Performance

Walls
0.25
W/m²K
Roof
0.20
W/m²K
Floor
0.22
W/m²K

ISO Frame Detailed Specifications

🛠 1. Steel Frame & Chassis

ISO Container Frame System

  • Hot-dip galvanised steel frame
  • ISO 1496-1 compliant corner castings
  • Forklift pockets for easy handling
  • Crane lifting points at all corners
  • Stackable up to 3 storeys with interlocking system
  • Anti-corrosive treatment for longevity
Key Benefits
  • Rapid deployment — delivered ready to use
  • Fully relocatable — move as your needs change
  • 50+ year structural lifespan
  • Minimal foundation requirements
🏢 2. Wall Panels
🧱

Insulated Sandwich Panels

Specification Value
Panel Type PIR/PUR Insulated Sandwich Panel
Thickness 80mm – 120mm
U-Value 0.25 – 0.38 W/m²K
Fire Rating B-s2,d0 (EN 13501-1)
External Finish Polyester coated steel (RAL colours)
Internal Finish White plastisol / melamine faced
Key Benefits
  • Excellent thermal insulation
  • Wipe-clean interior surfaces
  • Wide range of external colours
  • Lightweight yet strong
🏠 3. Roof System

Insulated Roof Construction

  • PIR insulated roof panels (100mm+)
  • U-Value: 0.20 W/m²K
  • Single-ply membrane or box-profile steel
  • Integrated drainage channels
  • Suitable for solar panel installation
Key Benefits
  • Weatherproof and durable
  • Low maintenance
  • Excellent thermal performance
🧱 4. Floor Construction
🛇

Insulated Floor System

Specification Value
Structure Galvanised steel bearers
Insulation 100mm mineral wool / PIR
U-Value 0.22 W/m²K
Deck 18mm moisture-resistant chipboard
Finish Heavy-duty vinyl / carpet tiles
Load Capacity 5 kN/m² (office use)
Key Benefits
  • Warm and comfortable underfoot
  • Suitable for heavy office equipment
  • Easy to clean and maintain
  • Durable for high-traffic areas
🚪 5. Windows & Doors
🚪

Personnel Doors

  • Steel security door (standard)
  • Aluminium glazed door (optional)
  • Multi-point locking system
  • Anti-vandal options available
  • DDA compliant threshold available
🪟

Windows

  • UPVC double-glazed (standard)
  • U-Value: 1.4 W/m²K
  • Tilt & turn or top-hung opening
  • Security locks fitted
  • Steel security grilles (optional)
  • Integral blinds available
⚡ 6. Electrical Installation

Complete Electrical Package

Component Specification
Supply Single or 3-phase available
Consumer Unit RCD protected distribution board
Lighting LED panels (energy efficient)
Sockets Twin sockets throughout
Heating Panel heaters / air-con (optional)
Data Cat5e/Cat6 cabling available
Compliance BS7671 18th Edition
Key Benefits
  • Plug-and-play — ready for immediate use
  • Fully tested and certified
  • Energy-efficient LED lighting
  • Flexible configuration options
🌡 7. Heating & Ventilation
🔥

Heating Options

  • Electric panel heaters (standard)
  • Wall-mounted convector heaters
  • Air conditioning units (heat/cool)
  • Thermostat controlled
  • Timer programmable
🌀

Ventilation

  • Opening windows (natural ventilation)
  • Trickle vents fitted
  • Extract fans for WC/kitchen areas
  • Mechanical ventilation available
  • Air handling units for larger installations
🛀 8. Welfare & Sanitary Facilities
🛀

Welfare Unit Specification

  • Toilet cubicles with close-coupled WC
  • Hand wash basins with mixer taps
  • Shower cubicles (welfare units)
  • Drying room facilities
  • Canteen/mess area with sink unit
  • Hot water via electric water heater (15L–80L)
  • Hygienic wall cladding (wipe-clean)
  • Non-slip vinyl flooring
Key Benefits
  • CDM compliant welfare facilities
  • Easy to clean and maintain
  • Hot water on demand
  • Suitable for construction sites
🔒 9. Security Features
🔒

Standard & Optional Security

  • Steel personnel door with multi-point locking
  • Anti-vandal steel window shutters (optional)
  • Security grilles for windows
  • Reinforced door frames
  • Hinge bolts and anti-jemmy strips
  • Alarm system pre-wiring available
  • CCTV mounting points
  • External PIR security lighting
Key Benefits
  • Protect valuable equipment and documents
  • Ideal for remote or unmanned sites
  • Insurance-compliant security options
  • Deterrent against break-ins
🔥 10. Fire Safety
🔥

Fire Protection Systems

Component Specification
Wall Panels B-s2,d0 fire rated
Internal Doors FD30 fire doors available
Smoke Detection Optical smoke detectors
Fire Alarm Sounder and beacon system
Emergency Lighting 3-hour maintained
Fire Extinguisher Mounting point provided
Signage Fire exit and safety signs
Key Benefits
  • Compliant with fire regulations
  • Early warning detection
  • Safe evacuation routes
  • Peace of mind for occupants
🎨 11. External Finishes & Colours
🎨

Cladding & Colour Options

  • Polyester powder coated steel (standard)
  • Plastisol coated steel (premium durability)
  • Any RAL colour available
  • Two-tone colour schemes
  • Corporate branding and signage
  • Wood-effect cladding overlay (optional)

Popular RAL Colours for ISO Frame Units:

9002
7035
7016
5010
6005
9005
3000
1023
💰 12. Hire & Purchase Options
📅

Flexible Hire

  • Short-term hire (1 month+)
  • Long-term hire (12 months+)
  • Hire-to-buy options
  • Delivery and collection included
  • Maintenance packages available
  • Flexible contract terms
🏠

Outright Purchase

  • New build to your specification
  • Refurbished units available
  • Asset finance options
  • Part exchange considered
  • 15-year structural warranty
  • 24-month defects warranty
Why Choose KC Modular?
  • UK-wide delivery and installation
  • Rapid turnaround — units in stock
  • Bespoke configurations available
  • Competitive pricing
🏠 Residential & Leisure

Static Caravans & Lodges

Premium Scandinavian timber-frame lodges and static caravans for year-round residential living, holiday parks, glamping sites, and garden annexes. BS3632 residential specification available with 50–75 year lifespan.

Lodge & Static Caravan Examples

From compact holiday lodges to spacious residential homes — built for comfort, durability, and year-round living.

Lodge Performance Overview

75
Year Structural Lifespan
0.15
W/m²K Wall U-Value
0.5
W/m²K Triple Glazing
C24
Scandinavian Timber

Key Features

🌳

Scandinavian Timber Frame

  • C24 grade kiln-dried timber
  • Slow-grown for superior strength
  • Fully treated against rot and insects
  • Sustainable and renewable material
  • Excellent thermal mass
🧱

Superior Insulation

  • Rockwool mineral wool (100–300mm)
  • Walls: 0.15 W/m²K
  • Roof: 0.13 W/m²K
  • Floor: 0.15 W/m²K
  • Exceeds BS3632 requirements
🪟

Triple-Glazed Windows

  • U-Value: 0.5 W/m²K
  • Argon gas filled
  • Low-E coated glass
  • Warm edge spacer bars
  • Tilt & turn operation

Galvanised Steel Chassis

  • Hot-dip galvanised for corrosion protection
  • Engineered for transport and siting
  • Towable or crane-lifted
  • Adjustable levelling jacks
  • 50+ year chassis life
🎨

Premium Exterior Finishes

  • Maintenance-free composite cladding
  • Natural timber effect options
  • Canexel or Cedral cladding
  • Weather-resistant for UK climate
  • 25+ year cladding warranty
📜

Certifications & Standards

  • BS3632 Residential Specification
  • EN 1647 Leisure Accommodation
  • NCC Approved
  • TÜV Certified
  • CE Marked
🛠 1. Structural Frame & Chassis
🛠

Timber Frame Construction

Component Specification
Frame Material Scandinavian C24 Kiln-Dried Timber
Wall Studs 45x145mm @ 400mm centres
Floor Joists 45x195mm @ 400mm centres
Roof Rafters 45x170mm @ 400mm centres
Treatment Pressure-treated, rot-resistant
Design Life 50–75 years

Steel Chassis

Component Specification
Material Hot-dip galvanised steel
Main Beams 150x50mm C-section
Cross Members 100x50mm @ 600mm centres
Coating Zinc galvanised (min 275g/m²)
Towing Equipment A-frame with hitch (removable)
Load Capacity Engineered for full fit-out + occupancy
Key Benefits
  • Scandinavian timber — superior strength and stability
  • Galvanised chassis — corrosion-free for decades
  • Relocatable design — move to new sites as needed
  • BS3632 compliant for year-round residential use
🏠 2. External Walls & Insulation
🏠

Wall Build-Up (Outside to Inside)

Layer Material Thickness
1. External Cladding Canexel / Timber / Composite 19–25mm
2. Ventilated Cavity Air gap with battens 25mm
3. Breather Membrane Tyvek or equivalent
4. Structural Frame C24 Timber Studs 145mm
5. Insulation Rockwool Mineral Wool 150mm
6. VCL Vapour Control Layer
7. Service Void Battens for services 25mm
8. Internal Lining Plasterboard (taped & skimmed) 12.5mm

Total Wall Thickness: ~280mm | U-Value: 0.15 W/m²K

🏡 3. Roof System
🏡

Roof Construction

Component Specification
Structure Pitched timber truss or vaulted
Covering Tile-effect steel / Natural slate / Shingles
Insulation 200mm Rockwool between rafters
U-Value 0.13 W/m²K
Ventilation Continuous ridge and eaves vents
Guttering Aluminium or UPVC, colour matched

Roof Options

  • Pitched roof (15–35° pitch)
  • Vaulted ceilings with exposed beams
  • Dormer windows for loft rooms
  • Velux / roof windows
  • Solar PV ready
  • Sedum / green roof option
🛇 4. Floor System
🛇

Floor Build-Up

Layer Material Thickness
1. Chassis Galvanised steel frame 150mm
2. Underfloor Protection Moisture barrier + rodent mesh
3. Floor Joists C24 Timber @ 400mm centres 195mm
4. Insulation Rockwool / Rigid PIR 150mm
5. Deck 18mm T&G moisture-resistant chipboard 18mm
6. Finish Engineered oak / LVT / Carpet Variable

U-Value: 0.15 W/m²K | Underfloor heating compatible

Flooring Options
  • Engineered oak (various finishes)
  • Luxury vinyl tile (LVT)
  • Ceramic / porcelain tiles (wet areas)
  • Quality carpet (bedrooms)
  • Underfloor heating (electric or wet)
🖧 5. Windows & External Doors
🖧

Window Specification

Feature Specification
Frame Aluminium-clad timber / UPVC
Glazing Triple-glazed, argon-filled
U-Value (glass) 0.5 W/m²K
U-Value (frame) 0.8 W/m²K
Coating Low-E, solar control
Security Multi-point locking
Warranty 10 years
🚪

External Doors

Feature Specification
Entrance Door Composite / Timber (insulated core)
U-Value 1.0 W/m²K
Bi-fold Doors Aluminium, triple-track
French Doors Matching window specification
Security 3-star cylinder, anti-snap
Threshold Low threshold (Part M compliant)
🔥 6. Heating & Energy Systems
🔥

Heating Options

  • Electric panel heaters (standard)
  • Air-source heat pump (SCOP 4.5+)
  • LPG combi boiler (off-grid sites)
  • Underfloor heating (electric or wet)
  • Wood burning stove (optional)
  • Smart thermostat controls
  • Zoned heating available
💧

Hot Water Systems

  • Electric immersion cylinder (standard)
  • Unvented hot water cylinder
  • Combi boiler instant hot water
  • Solar thermal compatible
  • 150L–300L capacity options
  • Mains pressure hot water
Key Benefits
  • Low running costs due to excellent insulation
  • Flexible heating options to suit your needs
  • Smart controls for efficiency
  • Renewable energy compatible
🍽 7. Kitchen Specification
🍽

Kitchen Units & Worktops

  • Soft-close doors and drawers
  • Choice of door styles and colours
  • Laminate or solid surface worktops
  • Granite / Quartz upgrade available
  • Upstand or full-height splashback
  • Under-cabinet LED lighting

Appliances (Integrated)

  • Electric oven (A+ rated)
  • Ceramic / Induction hob
  • Extractor hood or recirculating
  • Fridge/freezer (A++ rated)
  • Dishwasher
  • Washer/dryer (utility area)
  • Stainless steel sink with mixer tap
Premium Upgrades
  • Bosch / Neff / Siemens appliance packages
  • Quartz or granite worktops
  • Belfast sink
  • Boiling water tap (Quooker style)
  • Wine cooler
🛀 8. Bathroom Specification
🛀

Sanitary Ware

  • Close-coupled WC (dual flush)
  • Wall-hung WC option (Geberit frame)
  • Vanity unit with basin
  • Mixer taps throughout
  • Heated towel rail
  • Illuminated mirror cabinet
🚿

Shower & Bath

  • Walk-in shower enclosure
  • Thermostatic shower valve
  • Rainfall showerhead + handset
  • Freestanding bath (master en-suite)
  • Full-height tiling to wet areas
  • Wet room option available
Premium Upgrades
  • Villeroy & Boch / Duravit sanitary ware
  • Hansgrohe / Grohe brassware
  • Porcelanosa / Mandarin Stone tiles
  • Underfloor heating
  • Steam shower
⚡ 9. Electrical Installation

Electrical Specification

Component Specification
Supply Single-phase 230V / 100A
Consumer Unit Split-load with RCBOs
Wiring Twin & earth, concealed
Sockets White / Chrome / Brushed steel
USB Sockets Integrated USB-A and USB-C
Lighting LED throughout (dimmable)
External Weatherproof sockets, security lights
Compliance BS7671 18th Edition, Part P
Certification NICEIC / NAPIT certificate
Smart Home Ready
  • Cat6 data cabling throughout
  • Wi-Fi access points
  • Smart lighting compatible
  • EV charger ready (external)
  • Solar PV ready
🎨 10. Interior Finishes
🖼

Walls & Ceilings

  • Plasterboard, taped and skimmed
  • Emulsion paint (choice of colours)
  • Feature walls available
  • Vaulted ceilings (optional)
  • Exposed beam details
  • Coving / shadow gap skirting
🚪

Doors & Joinery

  • Internal doors (painted or oak)
  • Soft-close hinges
  • Chrome / Brushed steel ironmongery
  • Fitted wardrobes (bedrooms)
  • MDF skirting and architraves
  • Oak skirting upgrade available
🌳 11. External Cladding & Colours
🌳

Cladding Options

Material Features Warranty
Canexel Pre-finished, low maintenance 50 years
Western Red Cedar Natural timber, weathers beautifully 25 years
Composite Cladding Wood-effect, zero maintenance 25 years
Painted Timber Traditional look, colour choice 10 years
Metal Cladding Contemporary, durable 40 years

Popular Cladding Colours:

Anthracite
Chestnut
Oak
Sage
Cream
Black
Slate
Cedar
📜 12. Certifications & Warranty
📜

Certifications

  • BS3632 — Residential Specification
  • EN 1647 — Leisure Accommodation
  • NCC Approved — National Caravan Council
  • TÜV Certified — Independent verification
  • CE Marked — European conformity
  • Part L 2021 — Exceeds requirements
🛡

Warranty Coverage

  • 50-year structural warranty
  • 50-year Canexel cladding warranty
  • 10-year window warranty
  • 10-year roof covering warranty
  • 2-year comprehensive defects warranty
  • Appliance manufacturer warranties
Documentation Included
  • Full handover pack
  • O&M manuals for all systems
  • Electrical test certificate (NICEIC)
  • Gas safety certificate (if applicable)
  • Energy Performance Certificate (EPC)
⭐ Ultra-Premium Range

Bespoke Premium Caravan & Lodge

Our flagship luxury lodge range — handcrafted with the finest materials, cutting-edge energy efficiency, and bespoke design. Architect-quality homes with hotel-standard interiors, designed for discerning clients who demand the very best.

Premium Lodge Examples

Architect-designed luxury lodges with bespoke interiors — the pinnacle of modular living.

Premium Performance Overview

75+
Year Structural Lifespan
0.10
W/m²K Wall U-Value
0.5
W/m²K Triple Glazing
A+
Energy Rating

What Makes It Premium?

💎

Bespoke Design Service

  • Architect-led design consultation
  • 3D visualisation and walkthroughs
  • Fully customisable floor plans
  • Interior design packages available
  • Planning support included
🧱

Ultra-High Insulation

  • Walls: 0.10 W/m²K (300mm+)
  • Roof: 0.08 W/m²K
  • Floor: 0.10 W/m²K
  • Passivhaus-level airtightness
  • MVHR heat recovery ventilation
🪟

Architectural Glazing

  • Floor-to-ceiling glass walls
  • Sliding/bi-fold doors (up to 6m wide)
  • Frameless corner glazing
  • Structural glass balustrades
  • Roof lights and skylights
🍽

Luxury Kitchen

  • German engineered cabinetry
  • Quartz or granite worktops
  • Integrated Siemens/Bosch appliances
  • Wine cooler and coffee station
  • Island with induction hob
🛀

Spa-Quality Bathrooms

  • Freestanding designer bath
  • Walk-in rainfall shower
  • Underfloor heating throughout
  • Illuminated mirrors and vanities
  • Geberit concealed cisterns
💡

Smart Home Technology

  • Integrated smart home system
  • App-controlled lighting & heating
  • Motorised blinds
  • Multi-room audio
  • CCTV and smart locks

Premium Lodge Detailed Specifications

🌳 1. Premium Timber Frame Structure
🌳

Engineered Timber Frame System

Specification Value
Timber Grade C24 Scandinavian Spruce
Wall Studs 45mm × 195mm @ 400mm centres
Roof Joists 45mm × 245mm @ 400mm centres
Floor Joists 45mm × 245mm @ 400mm centres
Treatment Kiln-dried, vacuum pressure treated
Structural Warranty 75 years
Premium Advantages
  • Deeper studs for enhanced insulation capacity
  • Engineered for larger spans and open-plan living
  • Suitable for vaulted ceilings and mezzanines
  • Exceeds all UK building regulations
🧱 2. Ultra-High Performance Insulation
🧱

Passivhaus-Level Thermal Envelope

Element Insulation U-Value
External Walls 300mm Rockwool + 50mm service void 0.10 W/m²K
Roof 350mm Rockwool between/over joists 0.08 W/m²K
Floor 250mm Rockwool + PIR 0.10 W/m²K
Windows Triple glazed, argon filled 0.5 W/m²K
Doors Insulated composite 0.8 W/m²K
Airtightness Tested and certified ≤1.0 m³/h.m²
Energy Performance
  • A+ Energy Rating achievable
  • Up to 90% reduction in heating costs
  • Comfortable year-round without high energy bills
  • Exceeds Part L 2021 by 300%+
  • Future-proofed for 2025 regulations
🌀 3. MVHR Ventilation System
🌀

Mechanical Ventilation with Heat Recovery

Specification Value
Heat Recovery Efficiency Up to 95%
Air Changes 0.5 ACH (adjustable)
Filtration F7 pollen/dust filters
Noise Level ≤25 dB (whisper quiet)
Summer Bypass Automatic
Controls Smart app / wall panel
Key Benefits
  • Constant fresh, filtered air throughout
  • Recovers 95% of heat from exhaust air
  • Eliminates condensation and mould risk
  • Reduces allergens and pollutants
  • Essential for airtight construction
🪟 4. Architectural Glazing
🪟

Premium Glazing Systems

Specification Value
Glazing Type Triple glazed, argon filled
Glass U-Value 0.5 W/m²K
Frame Material Aluminium-clad timber / Aluminium
Frame U-Value 0.8 W/m²K
Max Panel Size Up to 3m × 2.5m per pane
Bi-fold Width Up to 6m opening
Sliding Doors Lift & slide, minimal frame
  • Floor-to-ceiling glass walls
  • Frameless corner glazing
  • Structural glass balustrades
  • Roof lights and skylights
  • Juliet balconies
  • Electric blinds integrated
Design Features
  • Maximise natural light and views
  • Seamless indoor-outdoor living
  • Slim sightlines for modern aesthetics
  • Solar control glass options
🌡 5. Heating & Renewable Energy
🔥

Premium Heating Options

  • Air-source heat pump (SCOP 5.0+)
  • Underfloor heating throughout
  • Zoned smart heating controls
  • Designer radiators (optional)
  • Wood burning stove with external air
  • Towel warmers in all bathrooms

Renewable Energy

  • Solar PV array (up to 6kWp)
  • Battery storage system
  • Solar thermal hot water
  • EV charging point
  • Smart energy monitoring
  • Grid export capability
Energy Independence
  • Near-zero energy bills achievable
  • Potential income from grid export
  • Future-proofed for net-zero targets
  • Reduced carbon footprint
🍽 6. Luxury Kitchen
🍽

Designer Kitchen Specification

  • German-engineered handleless cabinetry
  • Soft-close drawers and doors throughout
  • 30mm quartz or granite worktops
  • Undermount stainless steel sink
  • Boiling water tap (Quooker/Grohe)
  • Large island with waterfall ends
  • Breakfast bar seating

Integrated Appliances

  • Siemens/Bosch/Miele appliance package
  • Induction hob with downdraft extractor
  • Combination steam oven
  • Warming drawer
  • Integrated fridge/freezer (American style)
  • Integrated dishwasher
  • Wine cooler
  • Built-in coffee machine
Design Options
  • Bespoke colour and finish selection
  • LED strip and feature lighting
  • Glass splashbacks or stone cladding
  • Utility room with additional storage
🛀 7. Spa-Quality Bathrooms
🛀

Master En-Suite

  • Freestanding designer bath (Victoria + Albert)
  • Walk-in wet room shower (frameless glass)
  • Rainfall and handheld shower heads
  • Wall-hung WC with Geberit frame
  • His & hers vanity basins
  • Illuminated mirror cabinets
  • Underfloor heating
  • Heated towel rails
  • Large format porcelain tiles

Wellness Options

  • Integrated sauna cabin
  • Steam shower enclosure
  • Outdoor hot tub (plumbed & wired)
  • Japanese soaking tub
  • Chromotherapy lighting
  • Built-in speakers
  • Heated floor throughout
Premium Brands
  • Hansgrohe / Grohe brassware
  • Villeroy & Boch sanitaryware
  • Geberit concealed systems
  • Hansgrohe / Grohe brassware
  • Villeroy & Boch sanitaryware
  • Geberit concealed systems
  • Porcelanosa / Mandarin Stone tiles
  • Duravit designer ranges
💡 8. Smart Home Technology
💡

Integrated Smart Home System

System Features
Central Hub Control4 / Loxone / Crestron
Lighting Scene control, dimming, colour temperature
Heating Zoned control, scheduling, geofencing
Blinds Motorised, sun-tracking automation
Audio Multi-room Sonos / built-in speakers
Security CCTV, smart locks, motion sensors
Intercom Video doorbell, internal intercom
Voice Control Alexa / Google Home integration
Convenience Features
  • "Welcome home" scene — lights, heating, music
  • "Goodnight" scene — all off, security armed
  • Remote access via smartphone app
  • Energy monitoring dashboard
  • Automated blinds based on sun position
  • Holiday mode — simulate occupancy
🎨 9. Interior Design & Finishes
🖼

Walls & Ceilings

  • Smooth plastered finish throughout
  • Farrow & Ball / Little Greene paints
  • Feature wallpapers available
  • Vaulted ceilings with exposed beams
  • Coffered ceiling details
  • Shadow gap skirting and architraves
  • Recessed LED lighting throughout
🛇

Premium Flooring

  • Engineered oak (wide plank, brushed)
  • Herringbone or chevron patterns
  • Natural stone (travertine, slate, marble)
  • Polished concrete effect
  • Luxury wool carpets (bedrooms)
  • Underfloor heating compatible
🚪

Doors & Joinery

  • Full-height internal doors (2.4m)
  • Concealed hinges and shadow gaps
  • Pocket sliding doors
  • Glazed internal doors for light flow
  • Bespoke fitted wardrobes
  • Walk-in dressing rooms
🌳 10. External Design & Landscaping
🌳

Premium Cladding Options

  • Kebony: Modified wood, 30-year warranty
  • Accoya: Acetylated wood, 50-year durability
  • Zinc cladding: Contemporary, maintenance-free
  • Cor-ten steel: Weathered rust aesthetic
  • Natural stone: Local stone facing
  • Render: Smooth or textured finish
  • Mix and match for unique designs
🌱

Outdoor Living

  • Composite or hardwood decking
  • Covered outdoor kitchen area
  • Built-in BBQ and pizza oven
  • Hot tub with privacy screening
  • Outdoor shower
  • Fire pit seating area
  • Landscape lighting design

Premium Cladding Colours:

Charcoal
Bronze
Oak
Zinc
Cor-ten
White
Black
Forest
📜 11. Certifications & Warranty
📜

Certifications

  • BS3632 Residential Specification
  • EN 1647 Leisure Accommodation
  • NCC Approved
  • TÜV Certified
  • CE Marked
  • ISO 9001 Quality Management
  • ISO 14001 Environmental
  • Part L 2021 Compliant (exceeds by 300%+)
🛡

Warranty Coverage

  • 75-year structural warranty
  • 25-year cladding warranty
  • 20-year window warranty
  • 10-year roof membrane warranty
  • 5-year appliance warranty
  • 2-year comprehensive defects warranty
  • Optional extended warranty packages
Peace of Mind
  • Full documentation and handover pack
  • O&M manuals for all systems
  • Dedicated aftercare team
  • Annual maintenance packages available

Ready to Discuss Your Project?

Our technical team is ready to help you specify the perfect modular building solution. Get expert advice and a detailed quotation.

❓ Frequently Asked Questions

Technical Specifications FAQ

What U-values do your modular buildings achieve?

Our modular buildings achieve industry-leading U-values that exceed UK Building Regulations:

  • Bespoke Modular: Walls 0.16–0.18, Roof 0.11, Floor 0.11–0.13 W/m²K
  • ISO Frame Units: Walls 0.25–0.38, Roof 0.20, Floor 0.22 W/m²K
  • Static Caravans & Lodges: Walls 0.15, Roof 0.13, Floor 0.15 W/m²K
  • Premium Lodge: Walls 0.10, Roof 0.08, Floor 0.10 W/m²K (Passivhaus-level)

All our buildings exceed Part L 2021 requirements, with premium options achieving A+ energy ratings.

What certifications do your buildings have?

Our modular buildings are manufactured to the highest standards with comprehensive certifications:

  • ISO 9001 — Quality Management System
  • ISO 14001 — Environmental Management
  • ISO 1090 — Steel Structure Execution
  • ISO 3834 — Welding Quality
  • BS3632 — Residential Specification (lodges)
  • EN 1647 — Leisure Accommodation Vehicles
  • TÜV Certified — Independent quality verification
  • NCC Approved — National Caravan Council
  • Constructionline — Bronze Member
How long do modular buildings last?

Our modular buildings are engineered for exceptional longevity:

  • Bespoke Modular Buildings: 50–60 years structural lifespan
  • ISO Frame Units: 50+ years with proper maintenance
  • Static Caravans & Lodges: 50–75 years structural lifespan
  • Premium Lodge: 75+ years structural lifespan

All buildings come with a 15-year structural warranty (75 years for premium lodges) and a 24-month comprehensive defects warranty.

What insulation materials do you use?

We use premium insulation materials tailored to each building type:

  • Kingspan QuadCore®: High-performance PIR panels for bespoke modular buildings
  • PIR/PUR Sandwich Panels: Insulated panels for ISO frame units
  • Rockwool Mineral Wool: 100–300mm for lodges and premium builds
  • Acoustic Insulation: Additional Rockwool 45mm for sound reduction

All insulation is non-combustible or fire-rated, providing excellent thermal and acoustic performance.

Are your buildings compliant with UK Building Regulations?

Yes, all our modular buildings are designed to meet or exceed UK Building Regulations:

  • Part L 2021: Conservation of fuel and power — exceeded by up to 300%
  • Part M: Access to and use of buildings (DDA compliant options)
  • Part B: Fire safety — FD30/FD60 doors, fire-rated panels
  • Part P: Electrical safety — BS7671 18th Edition
  • Part E: Resistance to sound — acoustic insulation options

We provide full documentation and can liaise with Building Control on your behalf.

What fire ratings are available?

We offer comprehensive fire protection options:

  • Wall Panels: B-s2,d0 fire classification (EN 13501-1)
  • Internal Fire Doors: FD30 (30 minutes) or FD60 (60 minutes)
  • Fire Resistance: REI60 rated versions available
  • Smoke Detection: Optical smoke detectors throughout
  • Emergency Lighting: 3-hour maintained systems
  • Fire Alarm: Sounder and beacon systems

Non-combustible mineral wool core panels are available for enhanced fire safety requirements.

Can buildings be stacked or joined together?

Yes, our modular buildings are designed for flexibility:

  • ISO Frame Units: Stackable up to 3 storeys with interlocking system
  • Bespoke Modular: Multi-module configurations, side-by-side or stacked
  • Lodges: Twin-unit designs for larger floor areas

All connections are engineered for structural integrity with weatherproof seals between modules.

What heating options are available?

We offer a range of heating solutions to suit your requirements and budget:

  • Electric Panel Heaters: Standard option, thermostat controlled
  • Air-to-Air Heat Pump: SCOP 4.5+ efficiency, heating and cooling
  • Air-Source Heat Pump: SCOP 5.0+ for premium builds
  • Underfloor Heating: Electric or wet system options
  • LPG Combi Boiler: For off-grid locations
  • Wood Burning Stove: With external air supply
  • MVHR: Mechanical ventilation with heat recovery (premium)

Due to our excellent insulation, heating requirements are minimal — reducing running costs significantly.

How quickly can you deliver and install?

Our factory-built approach enables rapid delivery:

  • ISO Frame Units: Stock units available for immediate delivery
  • Bespoke Modular: 8–12 weeks from order confirmation
  • Static Caravans & Lodges: 10–14 weeks typical lead time
  • Premium Lodge: 12–16 weeks for fully bespoke designs

90% of construction is completed in our factory, meaning on-site installation typically takes just 1–3 days depending on size and complexity.

What warranty do you provide?

We stand behind our products with comprehensive warranty coverage:

  • Structural Warranty: 15 years (standard) / 75 years (premium lodge)
  • Defects Warranty: 24 months comprehensive coverage
  • Cladding Warranty: 25–50 years depending on material
  • Window Warranty: 10–20 years
  • Roof Membrane: 10–20 years
  • Geberit Sanitary: 25 years

Extended warranty packages and annual maintenance contracts are available for complete peace of mind.

Technical Specifications | Modular Buildings UK | KC Modular