Triangle House

Kentish Town, London NW

Completion: July 2020

Client: Private


RIBA London Awards 2023 – Triangle House – Finalist


Triangle House is London-based practice Child Graddon Lewis’ refurbishment and extension of a small infill site in Kentish Town, London, transforming a gloomy and disused small office into a naturally lit, 3-storey house.

The design has been meticulously composed to embrace the triangular footprint and existing character of the site, creating a building that makes efficient and functional use of space and natural light.

To achieve this, the scheme adopts a split-level internal arrangement with a higher front level and lower rear level. This enabled the creation of valuable amenity space in the form of a south east-facing, private terrace just below roof level. At the front, a semi-enclosed courtyard serves as a private front winter garden – setting the main entrance away directly from the street. This intermediary space also provides ample room for cycle storage.

The dental course brickwork employed in the parapet detail is an understated yet physical reference to the history of the neighbouring Victorian factory building, which from 1840 until 1965 was the proud home of Claudius Ash & Co – formerly the largest manufacturer of false teeth in Europe.

A blueprint towards providing high quality homes on challenging and intricate infill sites, Triangle House outlines how local authorities and developers can utilise land to tackle the housing crisis. The project is additionally an outstanding demonstration of retrofit and utilising existing buildings in London and beyond.


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