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Glossary of terms used on this site

There are 164 entries in this glossary.
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Objectively assessed housing need

Objectively assessed housing need. The Government have not provided a definition of housing need but a useful one is 'the housing that households are willing and able to buy or rent, either from their own resources or with assistance from the state’. This covers affordable housing as well as market housing. It is also worth noting that in Government guidance ’need’ is synonymous with ‘demand’.


A planning obligation is a legal agreement attached to a planning permission that requires the provision of certain services or infrastructure that will make a planning proposal that would otherwise be unacceptable, acceptable in the eyes of the planning system. There are two types of planning obligation; section 106 agreements, and Community Infrastructure Levy. Local planning authorities can use section 106 agreements to require, for example, that a certain proportion of housing on a residential development is affordable. Section 106 agreements are negotiated on a case by case basis. Community Infrastructure Levy is a fixed amount of money that must be paid by a developer when they get planning permission. The amount paid is in proportion to the size of a proposed development, and will be set out in a document published by the local planning authority called the ‘charging schedule’. This money must then be used to provide necessary infrastructure at the site; for example a new public park, school or bus shelters.

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