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TAP Architects completes ‘glass-room’ extension to historic house

Situated above the Tay Valley in Perthshire, this extension is designed to make the most out of its outstanding setting

Scottish-based practice TAP Architects has extended Blackhill House, a mid-18th-century Category B listed building originally built as an inn.

The extension sits against one gable, using an existing door to connect through to the kitchen. Its steel structure supports a roof ribbed by plywood fins which span the space forming a shallow dome-like ceiling. The tiling used for the floor also clads low benches around the space, which extend outside to form a sunken seating area to the south.

tap blackhill photo 02

tap blackhill photo 02

Section view

Section view

Project data

Start on site April 2018
Completion date September 2018
Gross internal floor area: 22.5m2
Construction cost £75,000
Architect TAP (Taylor Architecture Practice).
Client Private
Structural engineer Entuitive (Edinburgh)
Main contractor Campbell Construction Creiff