If you are unsure if you need building regulation approval or not, please view do I need building regulation approval. 

Are you aware that the Building Safety Levy came into force on 1st October 2026? - Please visit Building Safety Levy for further information.

Once it has been established that the work you intend to do does need building regulation approval, there are 3 ways you can apply. 

Should you have already carried out work, which is notifiable, you may be liable for enforcement action. To prevent enforcement, you may submit a retrospective application called a regularisation. 

View information on building regulation supplementary information and explanatory notes.