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Cottage Extension Blencathra

Location Threlkeld, Lake District National Park

Type New build residential extension

The extension to this traditional cumbrian cottage is formed as an “invisible” annexe to main house using a traditional slated pitched roof form, and cladding. The design emphasises the dramatic views towards Helvellyn and St Johns in the Vale

Sustainability Strategy 

PLACE +++ 

High altitude exposed site with world class views over World Heritage landscape


Thermal comfort, natural daylight, bespoke design for family circumstances including re-ordering of the house to create annexe with shared living space


Thermal upgrade to existing fabric using lime and wood based products. Prefabricated steel and highly insulated timber frame for new extension, high performance windows/doors, excellent airtightness. All electric scheme with multi fuel and back boiler supplement


Private water supply, rainwater to ground, aerated taps, low flush toilets


Timber, steel, glass, natural slate cladding, timber windows and doors, timber floor finishes, non VOC paints and stains



Local contractor and suppliers



Contemporary cumbrian vernacular using slate roofing and wall hanging to make extension “invisible” in landscape

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