The structure, being constructed entirely from CLT, will replace a 1950s block of flats as part of the regeneration of the  Colville Estate.

Bridport House is billed as the first time CLT has been used in the UK for the entire structure, including ground floor, of a high-rise building. Previous CLT high-rise applications like the nine-storey Stadthaus project, also in Hackney, have featured a concrete ground floor.

This could lead to Bridport House challenging Stadthaus’s reputation as the tallest residential timber structure in the world.

The 41-apartment building, commissioned by the London Borough of Hackney, will use CLT panels made from PEFC-certified spruce at Stora Enso’s Austrian factory.

CLT was specified as the main structural material to meet sustainability objectives – the carbon sink properties of timber will offset carbon emissions resulting from the construction process.

It was also chosen because a storm relief sewer runs under the site, making it unsuitable for a heavy traditional concrete frame structure.

CLT panels are being placed in a variety of positions on each floor, thus spreading the load and making it possible to double the size of the building compared to the original structure (with only a 10% increase in overall weight).

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