You may be liable for council tax for any building which has been constructed or adapted for use as separate living accommodation
How to apply
Your application needs to include:
- a completed application form (this can be completed online by clicking on the orange button below).
- a completed
supplementary information form (PDF)
[234KB] (required following implementation of the Building Safety Act)
- a site location plan (1:1250 scale) and a block plan (1:500 scale).
- all detailed plans, sections and elevations, including all necessary technical notes, supporting calculations and specifications.
- a description/details of the work proposed.
- the appropriate fee - check the
Building control fees - 2023/24 (PDF)
[287KB]
Online full plans application
How to pay
Applications should be accompanied by the correct fee, which you can find in the document. Use our online application for building control approval with full plans (link above).
If you are paying for a submitted application, please use the below link.
Pay for a submitted full plans application
What happens next?
Plan checking
Once your completed application has been received, your plans will be checked for compliance with the building regulations. You will normally receive a formal decision within 5 weeks confirming whether the application is approved, approved subject to 'requirements', or rejected. Please note: if you engage an independent agent to submit your application on your behalf, all correspondence will normally be conducted through the agent.
Work can start at any time after submitting the application, subject to giving 48 hours' notice.
Please note: However, you are strongly advised to await a formal approval, so that you are fully aware of all requirements before work begins.
Inspections
The team will inspect works throughout the project at appropriate stages and advise the builder where necessary on how to ensure compliance with the Building Regulations.
Completion
Within 5 days of completing the works, you are required to submit a Notice of Completion, by completing the
LABC Regulation 16(4A) Completion Notice (PDF)
[207KB] form and emailing it to buildingcontrol@hillingdon.gov.uk.
Once satisfied that the work is finished and complies with the requirements of the regulations, a free completion certificate will be issued.