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Councils could be underestimating housing need by up to 30% - RTPI

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Councils could be underestimating housing need by up to 30% - RTPI

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Published by Jon Land for 24dash.com in Local Government and also in Housing

Councils could be underestimating housing need by up to 30% - RTPI Councils could be underestimating housing need by up to 30% - RTPI

Councils in England could be underestimating housing need in their area by up to 30% due to an over-reliance on government household projection data, according to the Royal Town Planning Institute (RTPI).

Research by the University of Cambridge’s Centre for Housing and Planning Research on behalf of the RTPI, suggests that the Department of Communities and Local Government's figures "are likely to poorly reflect household need".

The government’s household projections form the basis for calculating housing need in councils’ local plans, which determine how much housing is planned for an area.

The key issues are whether councils treat the government projections as a starting point which can be varied according to robust local evidence, and how practical it is for them to produce a robust evidence base that will be accepted by the Planning Inspectorate when it examines the local plan.

Cath Ranson, President of the RTPI, said: “The research emphasises the need for local councils to treat government household projections as a starting point, not an end point when calculating how much housing they need to plan for in their area.

"A rigid adherence to household projection figures may lead to too few houses being built in some areas and an oversupply in others.”

In order to empower local councils, the RTPI is calling for the government to provide sensitivity analysis at the local authority level so that users can gauge the amount of uncertainty they need to plan for, and to publish in an easily accessible form data showing how the projections for key drivers of change – birth, deaths and flows into and out of a local authority – relate to what has happened in the recent past.

Household projection figures are based on the census results. The 2011 census showed that average household size did not fall as expected, but stayed constant.

Research suggests that this is because the 2011 census results were influenced by increased international migration, the economic downturn and the effects of a long period of poor housing affordability. Changes in international migration patterns and economic conditions are likely to mean that basing plans on the household projection figures alone could lead to an under-provision of housing in some areas.

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