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Adelphi Design & Construction Ltd is an established and experienced local extension builder in Bishopton. Please contact us for a free, no obligati...
Need an Extension Builder in Bishopton? Gman-Joinery & Builders has been helping local clients (20 mile radius) with their extension buildering job...
Experienced extension builder ready to quote for your work. Glencroft Builders Ltd is the best extension builder in Bishopton. No obligation free q...
LOCHNAGAR CONSTRUCTION LTD is a trusted extension builder serving customers in Bishopton and the surrounding area. Contact us to today to get a com...
DRUMKINNON JOINERY & BUILDING is a trusted extension builder serving customers in Bishopton and the surrounding area. Contact us to today to get a ...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
LAKE BUILDERS LTD is an established extension buildering business in Bishopton. We come highly recommended and provide competitive quotes for your ...
From £87,184
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £86,968
CMK Home Extensions Ltd is an established extension buildering business in Bishopton. We come highly recommended and provide competitive quotes for...
From £86,600
Craig Ross
Trusted and professional extension builder in Bishopton. Experienced in all extension buildering work and keeping within budget and on quote. CR Jo...

Building a granny annexe ranges from £86,376 (Glencroft Builders Ltd based in G81) to £87,296 (Gman-Joinery & Builders based in G13), but these are just estimates that can help give you an idea of who will be better value in your area.
The best thing to do is to get quotes to build a granny annexe in Bishopton by posting a job with HaMuch. We will send it to extension builders in Bishopton who will be happy to help you.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Granny Annexe near Erskine | £34 | £258 |
| Granny Annexe near Clydebank | £35 | £265 |
| Granny Annexe near Dumbarton | £29 | £232 |
| Granny Annexe near Renfrewshire | £35 | £278 |
| Granny Annexe near Renfrew | £35 | £264 |
| Granny Annexe near Johnstone | £35 | £276 |
| Granny Annexe near Paisley | £34 | £259 |
| Granny Annexe near Greenock | £30 | £243 |
| Granny Annexe near Bearsden | £34 | £263 |
| Granny Annexe near Port Glasgow | £32 | £250 |
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 - £17,514

Two storey extension - £88,022

Build a timber frame extension - £26,014

Build a swimming pool - £81,014

Single storey extension - £55,288

Side return extension - £41,662

Install an RSJ - £2,214

Outbuilding - £10,014

Build a Mansard loft conversion - £52,014

Loft conversion - £33,885

Build a kitchen extension - £42,014

Hip to gable loft conversion - £42,014

Granny annexe - £87,014

Garden office - £10,014

Convert a Garage - £16,014

Garage - £18,514

Build a flat roof extension - £22,014

Build a dormer loft conversion - £42,014

Concrete foundations - £6,264

Convert a bungalow loft - £29,014

Convert a basement - £37,662