Woodstock Retrofit & Extension
Rising fuel prices mean that homeowners are paying increasing attention to the energy efficiency and insulation of their homes.
Houses built in the 1970s are often poorly insulated but by retrofitting with the Beattie Passive system, standards of airtightness can be achieved which reach Passivhaus certification criteria. Not only energy- and financially efficient, levels of comfort in the home are improved by maintaining a constant, comfortable indoor temperature.
Brief: To extend and retrofit a 1970’s three-bedroomed house to Passivhaus standard while aesthetically updating it to create a light, modern and energy-efficient family home
Location: Woodstock, Oxfordshire
Project scope: Design and build a two-storey extension to the west side of the house and a first floor extension above the garage to the east. The extensions were built to Passivhaus standard, and the existing building retrofitted with the Beattie Passive continuous insulation system, including the loft space and underneath the house to form a highly insulated airtight ‘box’. High performance triple glazed windows are fitted throughout and a mechanical ventilation heat recovery system installed to maximise energy efficiency. No heating system is required.
The kitchen and bedroom extension to the west of the house is constructed from re-used materials – primarily timbers and Versapanel – from an earlier Beattie Passive R&D project. This prototype building was dismantled and the materials cut to size for the Woodstock project. Not only did this keep the project’s carbon footprint to a minimum but it demonstrated how Beattie Passive select materials which can readily be re-used at the end of a building’s life.
This provides a carbon zero footprint.
Original house before Retrofit
Client's Verdict: "We’re delighted to be getting the best of all worlds: we’ve significantly increased our living space and hugely improved our energy efficiency, while also improving and updating the aesthetic appearance of our home. Not only is Beattie Passive technology cheaper than traditional building methods but it’s also important to us that Beattie Passive use materials which are readily available from sustainable sources”.
To find out more about the time, cost and environmental benefits of the Beattie Passive Build System, contact us , telephone 01953 687332 or visit www.beattiepassive.com
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