From £10,288
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £9,600
Trusted and professional extension builder in Port Glasgow. Experienced in all extension buildering work and keeping within budget and on quote. CR...
From £10,112
Need to find an Extension Builder near you for all your extension buildering work?
Price It Cost Consultants Ltd provides a local, trusted ...
From £10,608
MARTIN POWER BUILDERS are here to help customers who need an Extension Builder in Port Glasgow. We offer a competitive rate to complete all your ex...
From £10,104
DRUMKINNON JOINERY & BUILDING is a trusted extension builder serving customers in Port Glasgow and the surrounding area. Contact us to today to get...
From £10,136
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £9,376
Experienced extension builder ready to quote for your work. Glencroft Builders Ltd is the best extension builder in Port Glasgow. No obligation fre...
From £10,272
LOCHNAGAR CONSTRUCTION LTD is a trusted extension builder serving customers in Port Glasgow and the surrounding area. Contact us to today to get a ...
From £10,080
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £10,240
Abbey Services (Scotland) Ltd is a trusted extension builder serving customers in Port Glasgow and the surrounding area. Contact us to today to get...

Outbuilding costs in Port Glasgow range from the cheapest of £9,376 (Glencroft Builders Ltd based in G81) to the dearest of £10,608 (MARTIN POWER BUILDERS based in PA16), but these are just estimates.
Comparing extension builders estimates for building an outbuilding gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes.
Get rates and quotes to build an outbuilding in Port Glasgow by posting a job with HaMuch and we will send it to extension builders.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Outbuilding near Port Glasgow | £32 | £250 |
| Outbuilding near Greenock | £30 | £243 |
| Outbuilding near Dumbarton | £29 | £232 |
| Outbuilding near Renfrewshire | £54 | £398 |
| Outbuilding near Erskine | £34 | £258 |
| Outbuilding near Johnstone | £52 | £381 |
| Outbuilding near Clydebank | £35 | £264 |
| Outbuilding near Renfrew | £35 | £264 |
| Outbuilding near Paisley | £34 | £259 |
| Outbuilding near Bearsden | £34 | £262 |
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 - £17,582

Two storey extension - £88,122

Build a timber frame extension - £26,082

Build a swimming pool - £81,082

Single storey extension - £56,632

Side return extension - £42,418

Install an RSJ - £2,282

Outbuilding - £10,082

Build a Mansard loft conversion - £52,082

Loft conversion - £34,515

Build a kitchen extension - £42,082

Hip to gable loft conversion - £42,082

Granny annexe - £87,082

Garden office - £10,082

Convert a Garage - £16,082

Garage - £18,582

Build a flat roof extension - £22,082

Build a dormer loft conversion - £42,082

Concrete foundations - £6,332

Convert a bungalow loft - £29,082

Convert a basement - £38,418