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Adam Knibb completes £45k 'floating' extension

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Hampshire-based Adam Knibb Architects has completed this £45,000 timber extension to a house in Winchester


The practice added a ‘floating’ addition to this house - itself a conversion of part of the former St Swithun’s school by the city’s historic walls.

Conservation area planning requirements meant the new 20m² add-on had to stand out from the existing building.

The new timber extension cantilevers out over the access way and meets the house via glass slot windows.

Austen House Pod by Adam Knibb Architects

Austen House Pod by Adam Knibb Architects

Source: Martin Gardner

Architect’s view

Austen House was a recently converted dwelling situated on the site of the Old St. Swithun’s school located along North Walls in Winchester. Vacated in 1929 the School had out grown the city centre location allowing the premises to be taken over by the library and then further development into residential dwellings. Austen House forms part of this old development, which originated as the toilet block.

The clients love the location but desperately wanted more natural light, a south facing aspect and more space. It was conceived that with an access way beside the property which only had to provide a right of passage for cars very occasionally, it was possible to build out and create a new room over the top of this space. 

Austen House Pod by Adam Knibb Architects

Austen House Pod by Adam Knibb Architects

Source: Martin Gardner

Project data

Location Winchester, Hampshire
Type of project Residential
Client Private
Architect Adam Knibb Architects
Structural engineer Paul Tanner Associates
Main contractor S&S Construction Group
Funding Private
Start on site date June 2015
Completion date October 2015
Contract duration 4 months
Gross internal floor area 20m2
Form of contract and/or procurement JCT Homeowners
Total cost £45,000
Photographer Martin Gardner

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