The Green Building Store Suffolk

Architect Lucy Mobbs from Suffolk firm Mobbs Architects has designed a low energy newbuild project for selfbuilder clients in Suffolk. The 197 m2 timber frame house aimed for high fabric efficiency and achieved high levels of airtightness.

The building is designed around a private courtyard as it was necessary to locate the house to the southern end of the site where overlooking was more likely. An 8m wide glazed section of wall in the kitchen/living room faces south while other parts of the house complete a courtyard to create a private and sheltered outdoor space.

The construction is lightweight timber frame with wood fibre insulation and achieved 0.6 air changes per hour at 50 Pascals. The house is heated with an air source heat pump, linked to a 6kWp PV array.

21° triple glazed timber alu-clad windows and doors were chosen for the project, with a whole U value of 0.75 W/m2K and finished in RAL 9005 with the internal timber finish in RAL 7021. Green Building Store also designed, supplied and commissioned the project’s MVHR system.

Architect Lucy Mobbs commented:

We chose 21°’s windows because of the thermal performance. The aluminium-clad frames added aesthetic value and worked well with both the zinc and rendered wall finishes. We had great support from 21° during the detailed design stage. Fitting the windows and doors went smoothly and the follow-up advice and support from 21° was easy and efficient.

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