Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Bill Matharu
Matharu Buildings is an established extension buildering business in Hillingdon. We come highly recommended and provide competitive quotes for your...
Need an Extension Builder in Hillingdon? Ava Constructions & Decors Ltd has been helping local clients (10 mile radius) with their extension builde...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Relax... you have found a reliable extension builder in Hillingdon. C T Edwards is a friendly and reliable company based in Hillingdon who consider...
GMB BUILDING SERVICES is an established and experienced local extension builder in Hillingdon. Please contact us for a free, no obligation quote an...
Sheppard Construction Ltd is a trusted extension builder serving customers in Hillingdon and the surrounding area. Contact us to today to get a com...
Ideal Construction is an established extension buildering business in Hillingdon. We come highly recommended and provide competitive quotes for you...
ROBINSON AND EDGSON BUILDERS is a trusted extension builder serving customers in Hillingdon and the surrounding area. Contact us to today to get a ...

Builders charge between £18,436 (Ideal Construction based in UB4) and £18,932 (GMB BUILDING SERVICES based in UB8) in Hillingdon 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 Hillingdon by posting a job with HaMuch and we will send it to extension builders in Hillingdon.
| Borough in London |
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| Garage in Hillingdon |
| Garage in Uxbridge |
| Garage in Stockley Park |
| Garage in Ruislip |
| Garage in Yeading |
| Garage in Denham |
| Garage in West Drayton |
| Garage in Iver |
| Garage in Hayes |
| Garage in Northolt |
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 - £17,734

Two storey extension - £88,352

Build a timber frame extension - £26,234

Build a swimming pool - £81,234

Single storey extension - £59,688

Side return extension - £44,137

Install an RSJ - £2,434

Outbuilding - £10,234

Build a Mansard loft conversion - £52,234

Loft conversion - £35,948

Build a kitchen extension - £42,234

Hip to gable loft conversion - £42,234

Granny annexe - £87,234

Garden office - £10,234

Convert a Garage - £16,234

Garage - £18,734

Build a flat roof extension - £22,234

Build a dormer loft conversion - £42,234

Concrete foundations - £6,484

Convert a bungalow loft - £29,234

Convert a basement - £40,137