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Checklist: dormer permits and the council
Permits are the part of the project that can delay everything. A clear checklist keeps the application moving and avoids last-minute surprises.
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Short answer
Find out early if your dormer needs planning permission. If it does, start the application before you order the dormer, and make sure one party — you or the company — is clearly responsible for the paperwork.
Check if you need a permit
Rules vary by council, property type and conservation area. Do not rely on a general article; check the local planning portal or ask the company for a written opinion based on your address.
- Permit-free rules — size limits, roof pitch rules and front/rear restrictions.
- Conservation areas — stricter rules often apply.
- Listed buildings — usually need full consent and specialist advice.
- Apartment buildings — building regulations and freeholder consent may be required.
Documents needed
A complete application needs drawings, a location plan, and sometimes a design statement. The company should provide technical drawings; you provide the location plan and fee.
Application process
- Confirm permit need in writing from the company or council.
- Submit technical drawings and location plan.
- Pay the application fee and note the reference number.
- Respond quickly to any council requests for more information.
- Do not start work until the decision is issued in writing.
Neighbours and leasehold
Even when neighbours cannot block the project, keeping them informed reduces tension. Leasehold or management companies may have their own approval process.
The full checklist
Checklist
Permit checklist
- 01I know whether planning permission is required.
- 02The contract says who applies and who pays the fee.
- 03Technical drawings are included or ordered.
- 04A location plan is ready.
- 05I have considered pre-application advice.
- 06The council has acknowledged the application.
- 07I have a reference number and a target decision date.
- 08Neighbours have been informed if appropriate.
- 09Leasehold or management company consent is confirmed.
- 10Work will not start until written approval is issued.
FAQ
FAQ
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01Who applies for the dormer planning permission?
Either the homeowner or the dormer company. Many companies offer a permit service as part of the quote. Make sure the contract says who is responsible and who pays the application fee.
02How long does a dormer permit take?
In many councils it takes 8 to 12 weeks from a complete application. Pre-application advice can add a few weeks but reduces the risk of rejection.
03Do I need permission from a leasehold company or neighbours?
Leasehold, freehold management companies and shared drives may need approval before work starts. Good neighbours are informed early, even if not legally required.
04Can a dormer be rejected on design grounds?
Yes. Councils and aesthetics committees can reject designs that do not fit the street scene. Ask the company how they handle redesign costs.
Conclusie
Permit work is not exciting, but it protects you from fines, stop-work notices and redesign costs. Start it early, keep copies of everything, and do not begin installation until the paperwork is confirmed.
