From £17,628
LAKE BUILDERS LTD is an established extension buildering business in Renfrew. We come highly recommended and provide competitive quotes for your wo...
From £17,580
Adelphi Design & Construction Ltd is an established and experienced local extension builder in Renfrew. Please contact us for a free, no obligation...
From £17,740
Abbey Services (Scotland) Ltd is a trusted extension builder serving customers in Renfrew and the surrounding area. Contact us to today to get a co...
From £17,684
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,772
LOCHNAGAR CONSTRUCTION LTD is a trusted extension builder serving customers in Renfrew and the surrounding area. Contact us to today to get a compe...
From £17,796
Need an Extension Builder in Renfrew? Gman-Joinery & Builders has been helping local clients (20 mile radius) with their extension buildering jobs ...
From £17,580
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £16,876
Experienced extension builder ready to quote for your work. Glencroft Builders Ltd is the best extension builder in Renfrew. No obligation free quo...
From £17,164
Need an Extension Builder in Renfrew? J & S Autos (Glasgow) Ltd has been helping local clients (20 mile radius) with their extension buildering job...

Underpinning ranges from £16,876 (Glencroft Builders Ltd based in G81) to £17,812 (KFM Developments LTD based in G52), but the final cost will depend on the method of underpinning used, how much of your foundations need underpinning and where you live.
Comparing extension builders estimates for underpinning gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
Get quotes to underpin your home in Renfrew by posting a job with HaMuch and we will send it to extension builders in Renfrew.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Renfrew | £35 | £264 |
| Underpin A Building near Paisley | £34 | £259 |
| Underpin A Building near Clydebank | £35 | £264 |
| Underpin A Building near Erskine | £34 | £258 |
| Underpin A Building near Bearsden | £34 | £262 |
| Underpin A Building near Johnstone | £52 | £381 |
| Underpin A Building near Glasgow | £34 | £258 |
| Underpin A Building near Renfrewshire | £54 | £398 |
| Underpin A Building near Barrhead | £35 | £257 |
| Underpin A Building near Giffnock | £35 | £260 |
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 - £17,563

Two storey extension - £88,095

Build a timber frame extension - £26,063

Build a swimming pool - £81,063

Single storey extension - £56,264

Side return extension - £42,211

Install an RSJ - £2,263

Outbuilding - £10,063

Build a Mansard loft conversion - £52,063

Loft conversion - £34,343

Build a kitchen extension - £42,063

Hip to gable loft conversion - £42,063

Granny annexe - £87,063

Garden office - £10,063

Convert a Garage - £16,063

Garage - £18,563

Build a flat roof extension - £22,063

Build a dormer loft conversion - £42,063

Concrete foundations - £6,313

Convert a bungalow loft - £29,063

Convert a basement - £38,211