Vertical extension permit
Adding floors to an existing building once its structure is verified.
Scope
What we do for you
A lead engineer owns your file end to end and deals with the authority on your behalf until issue.
- Inspection of the existing building
- Structural safety report
- Extension drawings
- Filing and follow-up to approval
Request the service
Request: Vertical extension permit
Fill in your details and a lead engineer will own your request from start to finish.
- 01We review your request and project details
- 02A lead engineer calls you within one working day
- 03We send the required documents, timeline and fee
Service requestVertical extension permit
More permit services
You may also need
01
Site validity statement
The first step before any permit: an official statement of what you may build on your plot.
Request02New building permit
The complete technical file for a new building, through to the issued permit.
Request04Modification or addition permit
Amending licensed drawings or adding works to a licensed building.
Request05Roof rooms permit
Completing roof rooms and requests to increase the roof-floor area.
Request