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Ty-Hedfan, Pontfaen, Brecon, by Featherstone Young Architects

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[Images + drawings + credits] Riverside private residence in Wales

Ty-Hedfan (‘Hovering House’) perches above a valley river close to the Brecon Beacons National Park. A six-metre no-build zone imposed along a riverbank, elevates the living areas among the trees.

The house is an extension of our interest in site-specific, contextual architecture. It adopts a traditional Welsh long house form made of local slate and stone, utilising the topography of the site.

The property totals 223m2of living space split into two contrasting wings. The main house is constructed with a hybrid timber and steel frame and contains a cantilevered living room, a double-height kitchen and an elevated courtyard.

The second wing is partially buried into sloping ground. A green sedum roof creates the illusion of an extended garden, while irregular shaped lights bring ample daylight to the area. A riverside deck is accessible via full-height windows and doors in the study and bedrooms. The stone-walled hall and timber-framed windows maximise the thermal benefits from the lower west wing’s solar gain, while the solar panels and an air-source heat pump ensure the house is energy efficient.

Sarah Featherstone, director, Featherstone Young Architects


Building profile

Living room 30m2
Bedroom 1 14m2
Bedroom 2 12m2
Bedroom 3 12m2
Bedroom 4 9m2
Kitchen/dining 35m2
Storage 20m2
Deck area 100m2
Garden approx ⅓ acre
Annual CO2 emissions not calculated


Start on site April 2008
Completion July 2010
Gross internal floor area 223m2
Form of contract JCT 05 traditional no bills
Total cost £530,000
Cost per m2 £2,300
Client Jeremy Young and Sarah Featherstone
Architect Featherstone Young Architects
Structural engineer Techniker
Main contractor Osborne Builders

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