Planning permission is unnecessary if you don’t plan to alter the structure of the building, so a garage conversion is permitted in most circumstances though it is advisable to gain a certificate of lawful property development from the council.
* If you live in a Listed building or a Conservation Area, planning permission may be required for even minor modifications.
* Some new build homes were built with a condition requiring the garage to remain as parking, so an application to remove it becomes necessary.
* Standalone garages are more likely to require ‘change of use’ planning permission when converted to habitable rooms.
The change of use from a garage to a habitable room will mean compliance with Building Regulations, including delivery of a building notice to your council. Building Regulations apply to:
Quotes and builders work.
I would advise getting at least 3 quotes from different builders so you can compare costs and get the requirements you need included.
Finally get the works completed and enjoy your garage conversion.