Passivhaus Affiliate

Planning approval granted for Exeter social housing scheme of 26 homes

Exeter City Council’s successful collaboration with low energy design experts Gale & Snowden Architects continues with the announcement of a social housing scheme of 26 homes aiming for Passivhaus Plus certification.

The development, entitled Rennes House, consists of an apartment block sited on a brownfield site and will contain 26 one and two bedroom flats, including one fully wheelchair accessible unit. It is hoped that the scheme will assist in relieving a local family housing shortage in the area by encouraging elderly people to exchange their larger houses for the new flats.

Image credit: Gale & Snowden Architects

The designers hope the project will achieve Passivhaus Plus certification, one of the two new standards recently unveiled by the Passivhaus Institut that take into account renewable energy generation. The building has also been designed to be adaptable to future changing climates and at the same time will meet Building Biology best practice guidance.

Having recently received planning approval, the project is now at the tender stage with construction due to start in November 2015 with an expected completion date of early 2017.

Image credit: Gale & Snowden Architects

Materials

Wall

Rendered masonry.

U-value = 0.23 W/m2K

Roof

Ventilated metal clad, timber construction, insulated at ceiling level

U-value = 0.07 W/m2K

Floor

Suspended beam and block

U-value = 0.10 W/m2K

Windows

Aluminium, clad timber framed

U-value = 1.00 W/m2K

 

Predicted performance

Thermal energy demand (≤15kWh/m2.yr)

13kWh/m2.yr

Thermal energy load (≤10W/m2)

10W/m2

Primary energy demand (≤120kWh/m2.yr)

75kWh/m2.yr

 

Project team

Client

Exeter City Council

Architect

Gale & Snowden

Consultants

Gale & Snowden

Contractor

CG Fry

Structural engineer

Structurehaus

Developer

Exeter City Council

Thermal Energy load

(≤10W/m2)

10th September 2015


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