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Glencroft Builders Ltd
Experienced extension builder ready to quote for your work. Glencroft Builders Ltd is the best extension builder in Dumbarton. No obligation free q...
"Single story extension" - PA7, job posted 15/11/23
LOCHNAGAR CONSTRUCTION LTD
LOCHNAGAR CONSTRUCTION LTD is a trusted extension builder serving customers in Dumbarton and the surrounding area. Contact us to today to get a com...
DRUMKINNON JOINERY & BUILDING
DRUMKINNON JOINERY & BUILDING is a trusted extension builder serving customers in Dumbarton and the surrounding area. Contact us to today to get a ...
GH BUILDING SERVICES LTD
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
£23/hr
£200/day
CR Joiners
Craig Ross
Trusted and professional extension builder in Dumbarton. Experienced in all extension buildering work and keeping within budget and on quote. CR Jo...
Compare Dumbarton extension builders rates
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Extension Builders near Dumbarton | £29 | £232 |
| Extension Builders near Greenock | £30 | £243 |
| Extension Builders near Port Glasgow | £32 | £250 |
| Extension Builders near Erskine | £34 | £258 |
| Extension Builders near Clydebank | £35 | £265 |
| Extension Builders near Renfrewshire | £35 | £278 |
| Extension Builders near Renfrew | £35 | £264 |
| Extension Builders near Johnstone | £35 | £276 |
| Extension Builders near Paisley | £34 | £259 |
| Extension Builders near Bearsden | £34 | £263 |
Job estimates from extension builders near you
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.

Build a timber frame extension - £25,928

Garden office - £9,928

Granny annexe - £86,928

Build a flat roof extension - £21,928

Convert a Garage - £15,928

Hip to gable loft conversion - £41,928

Convert a bungalow loft - £28,928

Build a dormer loft conversion - £41,928

Build a swimming pool - £80,928

Build a Mansard loft conversion - £51,928

Concrete foundations - £6,178

Underpin a building - £17,428

Two storey extension - £87,892

Convert a basement - £36,690

Side return extension - £40,690

Loft conversion - £33,075

Garage - £18,428

Single storey extension - £53,560

Outbuilding - £9,928

Install an RSJ - £2,128

Build a kitchen extension - £41,928
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