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Hewitt Studios completes £1.5 million eco-house

[FIRST LOOK + PLANS + DATA] Bath-based Hewitt Studios has completed this £1.5 million eco-home in Limpley Stoke

The Code 5, 290m² house sits on a sloping site in an area of outstanding natural beauty on the outskirts of Bath.

Constructed from local stone, the ground floor of the house has been buried into the site to reduce its impact on the landscape of the surrounding area. The upper storeys are more lightweight, constructed from prefabricated timber panels and clad in western red cedar.

Hewitt Studios

The architect’s view

‘The project provides a future model for sustainable and responsible family home; it achieves Code 5 ‘zero-carbon’ energy in use, makes extensive use of local materials and has a low-impact form, one which is respectful of its neighbours and surroundings, whilst allowing its users to enjoy the truly stunning location.

‘In addition, the building has been designed as a demonstration project for best environmental practice - not only for active sustainable technologies, such as the photovoltaic cells and whole-house MVHR system, but for the incorporation of low-energy construction techniques, such as a carbon sequestering CLT structure, straw bale insulation, natural purge ventilation and passive solar control.

‘We have also sought to protect and improve wildlife habitat and site biodiversity. To this end we have installed a biodiverse sedum roof, areas of species rich grassland and planting, a native woodland habitat, an edible herb and vegetable garden, as well as bat and dormouse boxes.’

Hewitt Studios

Project data

Location Limpley Stoke, near Bath
Type of project house
Client private
Architect Hewitt Studios
Landscape consultant B:D Landscape
Planning consultant Jan Molyneux
Structural engineer Integral Engineering Design
M&E consultant Hicks Titley Partnership
Quantity surveyor Ridge
Lighting consultant The Lighthouse Design Partnership
Main contractor E R Hemmings
Funding private
Tender date Spring 2012
Start on site date Summer 2012
Completion date January 2014
Contract duration 18 months
Gross internal floor area 290m2
Form of contract and/or procurement traditional
Total cost £1.5 million
Annual predicted CO2 emissions 774 kgCO2/year
Predicted air tightness levels 3ach @ 50 pa
Predicted energy demands 4880 kWh/year
Environmental target C4SH Level 5

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