This estate agent says 40,000 new homes could be built on London’s roofs

Caitlin Morrison
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Is building on rooftops the answer to London's housing crisis? (Source: Getty)

Up to 41,000 new homes could be built on London rooftops, putting a dent in the housing crisis but not altering the iconic skyline, according to new research.

More than 28m sq ft of residential floor area could be developed, with a potential value of £51bn, according to a study by property group Knight Frank.

The company carried out the research in a bid to "identify the extent of the Government’s pledge to seek out opportunities for higher-density housing in urban locations".

The release of the research coincides with a group of housing associations urging chancellor Philip Hammond to allow developers to extend the height of properties without having to secure planning permission.

Knight Frank said 23,000 buildings could be suitable for rooftop development in Zones 1 and 2, and the volume of the unused plots across the same area is equivalent to eight Burj Khalifa towers, "crucially without the corresponding impact on London’s skyline".

In order to carry out the research, Knight Frank developed a method to "systematically analyse the potential of each building", called Skyward.

"Skyward is a fantastically powerful tool for identifying development opportunities to unlock thousands of new homes in London and ease housing supply pressures, particularly in those areas where availability of land is becoming increasingly rare. It also has the potential to add an objective approach to planning decisions on a semi-permissive basis," said residential development partner Charles Dugdale.

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