What Is a Regularisation Certificate – And Do You Need One?
December 13, 2025
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A Regularisation Certificate is retrospective Building Regulations approval from your local authority Building Control, used when work was done without proper sign-off. This guide explains when you need one, how the application works, typical costs and timescales, and how it compares with a completion certificate and indemnity insurance—so you can resolve missing paperwork calmly and correctly.
