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Fieldwork Transforms Dilapidated West London Building into Mansard-Roofed Home and Casting Studio

architecture-design · 2026-10-06

Fieldwork, a local architecture firm, has revamped a two-storey structure in west London into a three-storey residence and casting studio, boosting the internal floor space by more than 60%. The renovation introduced a mansard roof and a double-height side extension adorned with zinc shingles. Spanning 245 square metres, the building comprises a ground-floor casting studio, a two-storey apartment, and a roof terrace. According to Director James Owen, the mansard roof allowed for an extra bedroom and ensuite, divided by a timber and glass partition. Director Tim Gibbons emphasized the striking contrast between the zinc shingles and the original facade. The design features a central staircase, several skylights, and finishes like microcement and light oak joinery. Photography by French + Tye.

Key facts

  • Fieldwork transformed a run-down two-storey building in west London into a home and casting studio.
  • The project added a mansard roof and a double-height side infill extension, increasing internal floor area by over 60 per cent.
  • The resulting building is 245 square metres across three storeys.
  • The ground floor contains a casting studio, with a two-storey apartment and roof terrace above.
  • Both the mansard roof and the extension, on the site of a former covered garage, were clad in zinc shingles.
  • The interior is organised around a central staircase that separates working and living spaces.
  • Materials include microcement in bathrooms, light oak joinery, Douglas fir linings, and a cork floor with acoustic insulation in the casting room.
  • Circular skylights in the mansard roof were inspired by the round softbox lights used in the casting studio.
  • The photography is by French + Tye.

Entities

Artists

  • James Owen
  • Tim Gibbons

Institutions

  • Fieldwork
  • Dezeen
  • French + Tye

Locations

  • London
  • United Kingdom

Sources