From £18,300
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £18,652
Prestige Build Services LTD is a trusted extension builder serving customers in SN1 and the surrounding area. Contact us to today to get a competit...
From £18,036
Need an Extension Builder in SN1? R PEARCE BUILDING has been helping local clients (20 mile radius) with their extension buildering jobs for many y...
From £18,596
MJ solutions is an established and experienced local extension builder in SN1. Please contact us for a free, no obligation quote and competitive r...
From £18,628
Relax... you have found a reliable extension builder in SN1. CHF CONSTRUCTION is a friendly and reliable company based in SN1 who consider no job a...
From £18,556
DSA CONSTRUCTION is an established extension buildering business in SN1. We come highly recommended and provide competitive quotes for your work.
From £18,364
Relax... you have found a reliable extension builder in SN1. A P BUILDING CONTRACTORS LTD is a friendly and reliable company based in SN1 who consi...
From £17,980
MR HOWELL are here to help customers who need an Extension Builder in SN1. We offer a competitive rate to complete all your extension buildering jo...
From £18,652
Need to find an Extension Builder near you for all your extension buildering work?
A S A BUILDING SERVICES LTD provides a local, trusted ex...
From £18,452
A D BUILDING SERVICES T/A is a trusted extension builder serving customers in SN1 and the surrounding area. Contact us to today to get a competitiv...

Builders charge between £17,980 (MR HOWELL based in SN3) and £18,652 (Prestige Build Services LTD based in SN5) in SN1 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 SN1 by posting a job with HaMuch and we will send it to extension builders in SN1.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Garage near Swindon | £38 | £238 |
| Garage near Stratton St Margaret | £37 | £238 |
| Garage near Thamesdown | £38 | £239 |
| Garage near Calne | £29 | £225 |
| Garage near Vale of White Horse | £36 | £271 |
| Garage near West Wiltshire | £32 | £242 |
| Garage near North Wiltshire | £32 | £242 |
| Garage near Devizes | £32 | £242 |
| Garage near Chippenham | £34 | £258 |
| Garage near Witney | £32 | £244 |
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 - £17,422

Two storey extension - £87,882

Build a timber frame extension - £25,922

Build a swimming pool - £80,922

Single storey extension - £53,432

Side return extension - £40,618

Install an RSJ - £2,122

Outbuilding - £9,922

Build a Mansard loft conversion - £51,922

Loft conversion - £33,015

Build a kitchen extension - £41,922

Hip to gable loft conversion - £41,922

Granny annexe - £86,922

Garden office - £9,922

Convert a Garage - £15,922

Garage - £18,422

Build a flat roof extension - £21,922

Build a dormer loft conversion - £41,922

Concrete foundations - £6,172

Convert a bungalow loft - £28,922

Convert a basement - £36,618