CUSTOM DESIGN PASSIVE TIMBER FRAME HOUSES - DESIGN & BUILD
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MBC Timberframe

Tel: 01452 346499

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    • Contact Us
    • MBCTimberframe Build Locations
  • Passive House
    • Passive Foundation
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Passive House Timber Frame Build – Wiltshire, UK

The Story

For the clients,  the unexpected opportunity of early retirement in 2010 was the chance to fulfil their dream of building their own low energy home which the clients quickly recognised as being a passive house timber frame build. The first challenges were finding a building plot, sorting out legal aspects and finalising planning permission and conditions, but by spring 2013, they were ready to start work. As an engineer with some DIY experience, the client drew up the plans, managed the build and carried out some of the practical work. There were numerous setbacks and crises, not least from the enormous delivery trucks blindly following their satnavs. However, the house itself went up in four days with the minimum of fuss, and the client  is full of praise for the contractors, especially since the costs have proved no more than for a home to standard building regulations.

The Home

Design and materials: The timber framed house exceeds Passivhaus performance standards, and has a SAP EPC rating of A107, meaning that it is a net energy exporter. However, it is not Passivhaus certified. It was constructed by MBC Timberframe, There are no dug foundations, and the house sits on a recycled polystyrene base, with a thin (100mm) internal reinforced concrete floor slab. The frame was made off-site, and is FSC certified, with local larch cladding, at Ansty. The Ikoslate roof slates are made from recycled plastic and car tyres. Overall build cost, excluding initial site preparation, will be around £160,000 (£1230/m2 of internal floor area).

Insulation: The house faces South to make the most of solar gain. Floor insulation and wall insulation (from recycled newspapers) are 300mm, while there is 400mm in the roof. Tested air tightness was 1.22m3/h/m2 compared to 10m3/h/m2, required by Building Regulations.

Heating, ventilation and hot water: As a low energy home, it has minimal heating (~1.6kW maximum) for when the temperature reaches minus 10°C or less. A Danish Genvexmechanical ventilation and heat recovery (MVHR) system has been installed, and a small air source heat pump (ASHP) provides underfloor heating for very cold days. Hot water is provided by pre-heat from the air source heat pump, with the thermal store heated by the excess energy from the solar PV on the roof.

Windows and doors: Triple glazed from Munster Joinery. They are argon filled, soft E coated, Passivhaus Institut certified, made from sustainable timber with external aluminium cladding. U value 0.7W/m2.K.

Lighting, appliances and electricity generation:  Lighting is a mix of LED downlights and low energy (CFL) wall mounted uplighters, with occupancy sensors in little used rooms. All appliances are A rated or better. The 6.25kW photovoltaic array is built into the roof, with a controller to divert excess energy to the heat store. The Client already has an electric bicycle and a partially electric car (Toyota Prius hybrid).

Water: Off-grid water supply from a private borehole, with no connection to the mains water supply, plus Bio-pure package sewage treatment plant. This choice was due to the expense of getting water and sewage to the site. However, running costs will be around £180-200 per year.

More Information
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MBC Timber Frame guarantee a top quality Passive Home built to surpass your expectations.

Contact us today to discuss how we can help you plan your Timber Frame build.

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  • Why choose us
  • What is Passive House?
  • Advantages of Timber Frame
  • Build Hub Forum
  • Passive House Blog
  • MBCTimberframe Build Locations
  • Self Build Mortgage
MBC Timberframe
Phone:

01452 346499

Email: [email protected]
Contact Us

MBC Timber Frame guarantee a top quality Passive Home built to surpass your expectations.

Contact us today to discuss how we can help you plan your Timber Frame build.

contactus

Our Latest News
  • Build It Live North West, Event City , Manchester – 17 & 18th Feb
    February 16, 2018
  • Homebuilding & Renovating Show, NEC, Birmingham – 22nd-25th March
    February 16, 2018
  • Build It Live, Bicester, Oxford – 09 & 10th June
    February 16, 2018
  • Homebuilding & Renovating Show, Sandown Park, Surrey – 30th June & 01st July
    February 16, 2018
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