From £88,240
Kenmure Joinery Services are here to help customers who need an Extension Builder in West Dunbartonshire. We offer a competitive rate to complete a...
From £88,120
Adelphi Design & Construction Ltd is an established and experienced local extension builder in West Dunbartonshire. Please contact us for a free, n...
From £88,444
Need an Extension Builder in West Dunbartonshire? Gman-Joinery & Builders has been helping local clients (20 mile radius) with their extension buil...
From £87,928
Relax... you have found a reliable extension builder in West Dunbartonshire. DS Builders is a friendly and reliable company based in West Dunbarton...
From £87,892
J & J Property Services is an established extension buildering business in West Dunbartonshire. We come highly recommended and provide competitive ...
From £87,712
Boyle Construction Glasgow Ltd is a trusted extension builder serving customers in West Dunbartonshire and the surrounding area. Contact us to toda...
From £87,784
Need to find an Extension Builder near you for all your extension buildering work?
Montgomery Wet Trades provides a local, trusted extensio...
From £88,024
Trusted and professional extension builder in West Dunbartonshire. Experienced in all extension buildering work and keeping within budget and on qu...
From £87,064
Experienced extension builder ready to quote for your work. Glencroft Builders Ltd is the best extension builder in West Dunbartonshire. No obligat...

Costs range from £87,064 (Glencroft Builders Ltd based in G81) to £88,444 (Gman-Joinery & Builders based in G13), but these are just estimates. The best way to compare costs is to get real quotes from real builders.
Post your job on HaMuch and we'll send it to extension builders to West Dunbartonshire.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Two Storey Extension near Dumbarton | £29 | £232 |
| Two Storey Extension near Erskine | £34 | £258 |
| Two Storey Extension near Greenock | £30 | £243 |
| Two Storey Extension near Port Glasgow | £32 | £250 |
| Two Storey Extension near Clydebank | £35 | £264 |
| Two Storey Extension near Renfrew | £35 | £263 |
| Two Storey Extension near Renfrewshire | £54 | £398 |
| Two Storey Extension near Bearsden | £34 | £263 |
| Two Storey Extension near Johnstone | £52 | £381 |
| Two Storey Extension near Paisley | £34 | £259 |
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 - £17,386

Two storey extension - £87,830

Build a timber frame extension - £25,886

Build a swimming pool - £80,886

Single storey extension - £52,728

Side return extension - £40,222

Install an RSJ - £2,086

Outbuilding - £9,886

Build a Mansard loft conversion - £51,886

Loft conversion - £32,685

Build a kitchen extension - £41,886

Hip to gable loft conversion - £41,886

Granny annexe - £86,886

Garden office - £9,886

Convert a Garage - £15,886

Garage - £18,386

Build a flat roof extension - £21,886

Build a dormer loft conversion - £41,886

Concrete foundations - £6,136

Convert a bungalow loft - £28,886

Convert a basement - £36,222