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Select your affordable L33 extension builder
Peter Gallagher
Experienced extension builder ready to quote for your work. P & P Building Services is the best extension builder in L33. No obligation free quotes...
Liverpool Builder is an established extension buildering business in L33. We come highly recommended and provide competitive quotes for your work.<...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
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 £17,876
Paul Rossiter
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 £17,524
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 £17,396
HIGHTOWN CONSTRUCTION LTD is an established extension buildering business in L33. We come highly recommended and provide competitive quotes for you...

Underpinning ranges from £17,052 (Liverpool Builder based in L12) 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 | £224 |
| Underpin A Building near Maghull | £34 | £231 |
| 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 | £33 | £228 |
| Underpin A Building near Huyton with Roby | £31 | £225 |
| Underpin A Building near West Lancashire | £28 | £203 |
| Underpin A Building near Crosby | £35 | £234 |
| 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 - £17,422

Two storey extension - £87,883

Build a timber frame extension - £25,922

Build a swimming pool - £80,922

Single storey extension - £53,446

Side return extension - £40,626

Install an RSJ - £2,122

Outbuilding - £9,922

Build a Mansard loft conversion - £51,922

Loft conversion - £33,021

Build a kitchen extension - £41,922

Hip to gable loft conversion - £41,922

Granny annexe - £86,922

Garden office - £9,922

Convert a Garage - £15,922

Garage - £18,422

Build a flat roof extension - £21,922

Build a dormer loft conversion - £41,922

Concrete foundations - £6,172

Convert a bungalow loft - £28,922

Convert a basement - £36,626