From £18,540
RAS Construction & Design Ltd is a well established company specialising in all aspects of extensions, loft conversions, general building, renovati...
From £18,348
Ask Windows Limited is an established and experienced local extension builder in Mill Hill. Please contact us for a free, no obligation quote and c...
From £18,652
Trusted and professional extension builder in Mill Hill. Experienced in all extension buildering work and keeping within budget and on quote. MH Co...
From £18,500
TSCR Construction are here to help customers who need an Extension Builder in Mill Hill. We offer a competitive rate to complete all your extension...
From £17,908
DBR Construction Ltd are here to help customers who need an Extension Builder in Mill Hill. We offer a competitive rate to complete all your extens...
From £18,868
NW London Contracts Ltd are here to help customers who need an Extension Builder in Mill Hill. We offer a competitive rate to complete all your ext...
From £18,260
Hi everyone!
i have good experience over 25 years working in construction and I have my on Business and my company
From £18,164
With over 24 years of hands-on experience, FC Builders London Ltd specialises in home extensions, loft conversions, full renovations, kitchen and b...
From £18,892
Coldshield ltd are here to help customers who need an Extension Builder in Mill Hill. We offer a competitive rate to complete all your extension bu...
From £18,420
NISUP BUILDING SERVICES Company specializes in the domestic and commercial building industry :1. Refurbishm...

Builders charge between £17,908 (DBR Construction Ltd based in NW7) and £18,892 (Coldshield ltd based in NW7) in Mill Hill to build a garage, but these costs are only estimates.
Comparing extension builders estimates for building a garage gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes.
Get real quotes to build a new garage in Mill Hill by posting a job with HaMuch and we will send it to extension builders in Mill Hill.
| Borough in London |
|---|
| Garage in Mill Hill |
| Garage in Edgware |
| Garage in Brent Cross |
| Garage in Finchley |
| Garage in Colindale |
| Garage in North Finchley |
| Garage in Whetstone |
| Garage in High Barnet |
| Garage in Golders Green |
| Garage in Stanmore |
Whether you’re looking to extend your kitchen with a side return extension or you want to convert your basement into a liveable space, read our cost guides to get an idea of how much each project costs before getting a more accurate quote from our database of reliable tradespeople.

Underpin a building - £17,455

Two storey extension - £87,933

Build a timber frame extension - £25,955

Build a swimming pool - £80,955

Single storey extension - £54,104

Side return extension - £40,996

Install an RSJ - £2,155

Outbuilding - £9,955

Build a Mansard loft conversion - £51,955

Loft conversion - £33,330

Build a kitchen extension - £41,955

Hip to gable loft conversion - £41,955

Granny annexe - £86,955

Garden office - £9,955

Convert a Garage - £15,955

Garage - £18,455

Build a flat roof extension - £21,955

Build a dormer loft conversion - £41,955

Concrete foundations - £6,205

Convert a bungalow loft - £28,955

Convert a basement - £36,996