Clarification of CIL on home extensions and build

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Published On: 16th July 2026

Matthew Pennycook MP, Minister of State for Housing and Planning, wrote a letter to all local authorities on how Community Infrastructure Levy (CIL) should be applied to large home extensions and self-build.

Due to procedural errors and confusion about the 2014 process, some householders have failed to obtain an exemption. The Government is to consult on amendments to the CIL Regulations to deal with the issues. It provides clarity to local authorities over their existing discretion to take action as they see appropriate in specific cases.

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