Review of planning gap will now focus solely on large building sites

Initial findings from the official Government review into the gap between planning permission for new homes and them being built suggests there are issues connected with major developers building large numbers of properties on big sites.

The review, led by Sir Oliver Letwin, has already identified a number of barriers connected with large sites where hundreds of thousands of new homes with planning permission have not been completed.

Now Sir Oliver has revealed that he will be looking exclusively at major house builders and try to find out why, once they have obtained planning permission for large numbers of homes on large sites, they take such a long time to actually build the homes.

‘The many questions that surround the build out rates achieved by smaller house builders and on smaller sites may well be worthy of investigation in due course but the importance of the large sites and large house builders to the overall house construction numbers is such as to make it sensible for me to devote all of my attention to them at this stage,’ he explains in a letter to Housing Secretary Sajid Javid and Chancellor Philip Hammond.

He also explained that his first phase, which aimed to identify the main causes of the gap by reviewing large housing sites where planning permission has already been granted, focused on information gathering sessions with local authorities, developers and non-government organisations and visits to large sites.

He found that the absorption rate, that is the rate at which newly constructed homes can be sold into the local market, appears to be a fundamental driver of the rate at which houses are built.

His letter points out that many of those taking part in the review have said that that the rate of build out of large sites during stage two is typically held back by a web of commercial and industrial constraints. These include a lack of skilled labour, limited supplies of building materials, a lack of capital, constrained logistics on the site, the slow speed of installations by utility companies, and the provision of local transport infrastructure

Sir Oliver confirmed that he will publish a draft analysis of his findings in June and he will investigate whether increasing the variety of homes built increases the rate at which homes can be sold. He hopes to be able to formulate robust recommendations from the summer onwards in order to produce a Final Report containing recommendations in time for the Budget in the autumn.

Over the next 12 weeks the review team will make further visits to large sites, obtain data showing the pipeline of large sites from application to completion on site, visit Germany and the Netherlands to examine ways in which build out rates are affected by the use of public or publicly-led mechanisms for increasing the variety of what is offered on large sites and hold further meetings with stakeholders.

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