Covering Brentwood
Alongside Brentwood, we also cover Billericay, Hornchurch (6 miles to the south-west) and Romford.
Homes in the East of England
Across the East of England, newer estates often have integral garages and room for rear extensions, while older towns have Victorian terraces and conservation areas that shape what can be built.
What do you get with a garage conversion?
A garage conversion turns an attached, integral or detached garage into a habitable room by infilling the door opening, insulating the floor, walls and roof, and adding windows, heating and power. It is one of the quickest and cheapest ways to add a room.
- Building control application
- Garage door removal and brick infill with window
- Heating, electrics and data points
How much should I budget for a garage conversion?
What garage conversions typically cost. These are guide ranges; the written quote for your house replaces them.
| Garage conversions | Guide price incl. VAT |
|---|---|
| Single integral garage | £12,000 to £17,000 |
| Single attached garage | £12,000 to £24,000 |
| Single detached garage | £18,000 to £30,000 |
| Double garage | £25,000 to £54,000 |
How is a garage conversion approved in Brentwood?
Projects in England go through two separate checks. Planning (or confirmation that the work is permitted development) comes from the district, borough or unitary council, and building regulations approval comes from the council’s building control team or a registered building control approver. Where work touches a shared wall or digs near a neighbour’s foundations, the Party Wall etc. Act 1996 applies.
An internal garage conversion is usually permitted development in England unless the house is listed, an Article 4 direction applies, or it is on an estate where the planning permission removed permitted development rights.
What can affect a garage conversion?
- Some new-build estates have a planning condition keeping garages for parking.
- Losing a parking space can matter on streets with permit parking.
From first call to completion
- Tell us about the project. Call, use the guide price tool or send the form with a few photos and a postcode.
- We visit and measure. A surveyor checks the house, the boundaries and the ground, and discusses what is realistic.
- Price and paperwork. The design is priced line by line, and we submit the planning and building control applications.
- Build and hand over. Our teams build to the programme, building control inspects, and you get the completion paperwork at the end.
Garage conversions: common questions
How much does a garage conversion cost?
A single integral garage usually costs about £12,000 to £17,000 including VAT. Detached and double garages cost more.
Can a garage become a bedroom?
Yes, with insulation, ventilation and an escape window or protected route out.
How do I get a price for garage conversions in Brentwood?
Use the guide price tool for a ballpark figure, then book a visit for a fixed written price for the agreed specification.
Other towns nearby
- Garage conversions in Billericay
- Garage conversions in Hornchurch
- Garage conversions in Romford
- Garage conversions in Basildon
Learn more about garage conversions, or see every project we cover in Brentwood.