Roof and Wall Construction

Insulated Timber Cassette Panel System min 140mm:

  • U’ – Value Wall: 0.17 W/M2K ‘U’ – Value Roof: 0.17 W/M2K
  • External Western Red Cedar Timber Cladding is sourced from sustainable sources.
  • Insulation is 80% Recycled.
  • High-performance air-tight construction.
  • Optional additional ‘Tri-Iso Actis’ multi-foil insulation for improved
  • U-values. (0.11W/M2K)
  • Suspended acoustic ceiling boards with ACTIVair technology to maintain air quality

Doors and Windows

Centre Pane Value ‘U’ – Value: 1.4
W/M2K (argon fill specification achieves: 1.1 W/M2K).

  • Draught-sealed, powder coated aluminium or treated hardwood (Douglas Fir oiled OSMO UV) screens from sustainable sources made by specialist manufacturer fitted with High performance units with double glazed coated low-emissivity
  • (Low-E) glass with min 16mm cavity.
  • Optional Argon cavity fill available for improved thermal performance.
  • Optional additional ‘Tri-Iso Actis’ multi-foil insulation for improved
  • U-values. (0.11W/M2K)
  • Suspended acoustic ceiling boards with ACTIVair technology to maintain air quality

Ground Floor Structure

‘U’ – Value: 0.15 WM2K.

  • Insulated Timber Cassette Panel System: flooring to individual requirements on prefabricated floor units pre-insulated with mineral wool insulation
  • Recycled 200mm mineral wool insulation.
  • Optional protective sheathing to underside using 16-gauge.


  • Pad and pier foundation solution (on 450 x 450 or 600 x 600mm base) with minimal ground disturbance.
  • Alternative: Plinth foundation system (to rest on 600 x 600mm base) or screw-pile system available in areas with more challenging ground conditions.

External Finish

  • All Red Western Cedar supplied in natural state and left to naturally age (no toxic treatments required).
  • Hardwood window/door frames supplied with applied water based protection
  • Large range of finish choices available including render, brick slip, recycled materials and living walls.


  • Proprietary non-slip cladding to ramped approach and external deck areas to reduce accident risk.

Internal Finish

  • Internal emulsion finishes to walls. Internal surfaces comprising walls, skirting, doors and ironmongery to be finished in contrasting colours in accordance with DDA recommendations (Samples of finishes can be provided on request).
  • Carpeting or non-slip vinyl to floors (supply and colour to client requirements).


  • Provision of new electric supply.


  • Provision of consumer unit located at high level (to avoid tampering) within internal store area.

Ventilation and Cooling

Air-Source heat pump (larger schemes):
Class – AA rated wallmounted remote controlled combined air-conditioning / air source heating (an ingenious system whereby heat is extracted from the atmosphere to provide heating – like a refrigerator circuit in reverse) with condenser unit mounted externally.


Hot water provided by instantaneous hot water units which heat water on demand (with significantly lower energy demands than storage units). Thermostatic control to prevent scalding.
Space Heating: A variety of heating options are available:
Wall-mounted Low Surface Temperature (LST) electric heaters or alternatively LPG (bottled gas) heating available in areas with insufficient electrical supply. All emitters are low temperature to prevent burning incidents.

Lighting and Electrical

  • Recessed T5 luminaries (part- L and CIBSE compliant system in areas with suspended ceiling grid (where used) with optional smart control.
  • Recessed 2 x 26w Compact Fluorescent (part- L and CIBSE compliant) low energy down-lighters elsewhere or
  • Suspended or surface mounted educationally -specific fluorescent luminaires


  • External-quality recessed ultra-low watt (3w) LED soffit lights over decked areas.
  • External and Internal emergency lighting (in accordance with BS5266) as required.
  • Electrical provisions included and tailored to requirements.
  • Security alarm systems available.
  • Heat detector/Smoke Alarm(s) included (in accordance with BS 5839 Part 1) with alarm-call points as required.


  • Washroom areas to feature individual rooms or cubicle systems (with a range of options) as required.
  • Facilities can be provided for ambulant (to include grab rails) or full wheelchair-accessible (to include ‘document M’ pack with white grab rails, seat and hinged arm support, alarm, etc) usage – with appropriate fittings included


  • Washroom to feature sanitary equipment appropriate for users’ age group for ease of use.
  • Extracts provided to washroom areas.
  • Stainless steel trough sinks with non-concussive taps
  • Waste drainage included as required.


Intelligent, site specific design, high insulation values and energy saving technologies are used in the designs of our buildings to ensure they can achieve an Energy Performance Certificate (EPC) A+ rated, or net-zero carbon in operation.

Reputation and experience you can trust in

We understand that selecting a company to build your new modular building is a big commitment. You will want to feel safe & secure that you've made the right choice of architect & builder who will realise your dreams. Read what our customers say.

To help you decide if TG Escapes are the right fit for your needs, here are some things you should know:

  • We have built over 800 Eco Buildings in 16 years
  • Our Eco Buildings have won national design awards
  • We are members of:
    ISBL, Institute of School Business Leadership
    CIBSE, Chartered Institution of Building Services Engineers
    NAPIT, National Association of Professional Inspectors and Testers
  • TG Escapes customers awarded us 4.9 out of 5 based on 189 reviews