Tethera

Aerial view courtesy Lunar AI

Replacement of an existing worn out bungalow in the Lake District with a new build Passivhaus holiday home.

Existing:

  • Stunning location on north shore of Ullswater with view across lake to Hallin Fell.

  • Existing bungalow built in late 1950s as staff accommodation for Outward Bound Centre; no architectural merit, modular build, no insulation, cold and damp.

Brief:

  • New home to have three bedrooms, oriented to take advantage of views.

  • Simple form, highly energy efficient, low maintenance, robust.

Planning:

  • Located in World Heritage Site of National Park.

  • Replacement build to have similar footprint form and materials as existing property.

  • Full permission granted August 2020.

Proposals:

  • New home to have three bedrooms, oriented to take advantage of views.

  • Exceptional location and lake views have driven design concept.

  • Simple rectangular, pitched roof form sits comfortably in the context.

  • Improved accessibility by lowering internal floor level has allowed sufficient height for additional mezzanine floor at one end.

  • Designed to certifiable Passivhaus Classic standard.

  • Triple glazed windows and doors; quad glazed rooflights; larger windows on south and west elevations to maximise winter heat gain.

  • Entirely timber frame, built as pre-fabricated and insulated panels in local factory.

  • Roof and wall U-value 0.090W/m2K.

  • Isoquick insulated raft and 60/40 concrete slab U-value 0.10W/m2K.

  • Integrated in-roof PV panels powering Givergy battery storage, Mixergy dhw cylinder, radiant heating panels, Myenergi EV charge point.

  • Full mechanical ventilation with heat recovery (MVHR).

Progress:

  • Demolition and site clearance started in January 2021.

  • Isoquick insulation installed in half a day.

  • Concrete poured February 2021.

Existing bungalow
Ground floor plan
First floor plan
Isoquick installation 10am
Isoquick installation 2pm