Summary of the new permitted development rights

NEW PERMITTED DEVELOPMENT RIGHTS NOW IN FORCE

Prepared by Ministry of Housing, from August 2020 permitted development rights allow existing houses to be extended to provide more living space by constructing additional storeys.

Homeowners, under the forthcoming permitted development (PD) rights can now extend upwards.

This is an addition to the recent new rights brought in on 1 August to build homes above commercial and mixed-use buildings and to build brand new homes on top of existing houses.

This is due to take effect on 31 August 2020 and includes four new PD rights allowing:

  • Detached buildings in commercial or mixed-use: Where the existing building is 3 storeys or more, construction of up to two storeys of new homes above. Maximum height of extended building 30 metres. Designated Class AA.

  • Terrace buildings (including semi-detached buildings): Two additional storeys can be added to two-storey buildings, one storey to single-storey buildings. Maximum 18 metres and no more than 3.5 metres higher than next tallest building. Designated Class AB.

  • Terrace dwelling houses: Two additional storeys of new self-contained homes can be constructed on terraces and semi-detached houses of two storeys or more and one storey for single-storey terraces. Maximum height 18 metres. Designated Class AC.

  • Detached houses: Two additional storeys of new self-contained homes can be constructed on terraces and semi-detached houses of two storeys or more and one storey for single-storey terraces. Maximum height 18 metres. Designated Class AD.

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T: +44(0)208 555 7709

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