This figure increases to 50 per cent on public and industrial land, where commercial or industrial capacity may be lost. Many do support affordable housing policy, however. He wrote on LinkedIn: ‘Of course London needs more affordable and social housing, but it also needs more homes across all tenure groups – for sale and rent. ‘But when the primary route to delivering affordable homes has effectively been via cross-subsidy from market homes, it was always going to become increasingly difficult across the spectrum. We are making significant progress, including a record £11.7 billion investment into social and affordable housing, new leadership at the Building Safety Regulator and backing for a new City Hall Developer Investment Fund.