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The complementary roles of Social Housing Grant and affordable housing through the planning system in achieving additional affordable housing

This study compares the provision of new affordable housing via S106 with the 'traditional' approach whereby housing associations develop land with the aid of Housing Corporation funding. It looks at costs and additionality and finds that s106 is replacing the traditional approach, largely because it is an important means of accessing land for housing associations.

S106 is now an important way of providing additional affordable housing. However, most s106 sites also receive Social Housing Grant. The majority of new affordable housing still comes from non-s106 sites, so this study asks whether s106 is becoming the accepted way forward for a growing proportion of sites and whether this is at the cost of a declining number of non-s016 sites. The study explores the relationship between SHG and S016, looking at the costs and constraints on s106 sites compared with non-s106 sites.

Land and Finance for affordable housing

There is anecdotal evidence that what is finally delivered on the ground through s106 may be different from what was originally negotiated – for example, a large site may be broken up and sold to different developers who may re-negotiate the S106 affordable housing provision. The project aims to assess whether affordable housing is being lost or modified through negotiated changes to the initial agreed S106 as well as through non take-up of planning permission; and to gain an understanding of why this is happening and of patterns of behaviour. The project is joint with the University of Sheffield.

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CCHPR Contact


Joseph Rowntree Foundation

Project Start Date

1st May 2005