From £17,468
In an unstable market house extensions are often the most viable option, helping you to get the most out of the space you have without the addition...
From £17,524
Red Avex Ltd are here to help customers who need an Extension Builder in L33. We offer a competitive rate to complete all your extension buildering...
From £17,876
We are Aurora Building Company & we are the home improvement company you can depend upon to help transform your home to suit your needs. We spe...
From £17,396
HIGHTOWN CONSTRUCTION LTD is an established extension buildering business in L33. We come highly recommended and provide competitive quotes for you...
From £17,052
Liverpool Builder is an established extension buildering business in L33. We come highly recommended and provide competitive quotes for your work.<...
From £16,972
Trusted and professional extension builder in L33. Experienced in all extension buildering work and keeping within budget and on quote. Jones Lands...
From £17,436
Experienced extension builder ready to quote for your work. P & P Building Services is the best extension builder in L33. No obligation free quotes...
From £17,204
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £17,268
Relax... you have found a reliable extension builder in L33. KM Building Services is a friendly and reliable company based in L33 who consider no j...
From £17,300
McBuild is a trusted extension builder serving customers in L33 and the surrounding area. Contact us to today to get a competitive quote for extens...

Underpinning ranges from £16,972 (Jones Landscaping based in L30) to £17,876 (Aurora Building company ltd based in L12), 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 L33 by posting a job with HaMuch and we will send it to extension builders in L33.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Underpin A Building near Kirkby | £31 | £223 |
| Underpin A Building near Maghull | £33 | £219 |
| Underpin A Building near Knowsley | £31 | £222 |
| Underpin A Building near Prescot | £31 | £223 |
| Underpin A Building near Ormskirk | £29 | £206 |
| Underpin A Building near Bootle | £32 | £223 |
| Underpin A Building near Huyton with Roby | £31 | £225 |
| Underpin A Building near West Lancashire | £28 | £203 |
| Underpin A Building near Crosby | £33 | £222 |
| Underpin A Building near St Helens | £31 | £224 |
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 - £17,350

Two storey extension - £87,774

Build a timber frame extension - £25,850

Build a swimming pool - £80,850

Single storey extension - £51,992

Side return extension - £39,808

Install an RSJ - £2,050

Outbuilding - £9,850

Build a Mansard loft conversion - £51,850

Loft conversion - £32,340

Build a kitchen extension - £41,850

Hip to gable loft conversion - £41,850

Granny annexe - £86,850

Garden office - £9,850

Convert a Garage - £15,850

Garage - £18,350

Build a flat roof extension - £21,850

Build a dormer loft conversion - £41,850

Concrete foundations - £6,100

Convert a bungalow loft - £28,850

Convert a basement - £35,808