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Peter Gallagher
Experienced extension builder ready to quote for your work. P & P Building Services is the best extension builder in L12. No obligation free quotes...
J.M.C Building Services is a trusted extension builder serving customers in L12 and the surrounding area. Contact us to today to get a competitive ...
Relax... you have found a reliable extension builder in L12. KM Building Services is a friendly and reliable company based in L12 who consider no j...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Need an Extension Builder in L12? Bob the Builder has been helping local clients (20 mile radius) with their extension buildering jobs for many yea...
Liverpool Builder is an established extension buildering business in L12. We come highly recommended and provide competitive quotes for your work.<...
J J Nuttall Specialist Roofing Ltd are here to help customers who need an Extension Builder in L12. We offer a competitive rate to complete all you...
Relax... you have found a reliable extension builder in L12. R Sargeant is a friendly and reliable company based in L12 who consider no job as too ...
Experienced extension builder ready to quote for your work. Oxygen Property Partners is the best extension builder in L12. No obligation free quot...
Relax... you have found a reliable extension builder in L12. Hyst is a friendly and reliable company based in L12 who consider no job as too big or...

A flat roof extension ranges from the cheapest of £21,552 (Liverpool Builder based in L12) to the dearest of £21,936 (P & P Building Services based in L11), but these are just estimates. While they give you an idea of who will be better value, the best way to compare costs is to get real quotes.
Find out how much your flat roof extension will cost in L12 by posting a job with HaMuch. We'll send it to extension builders in L12.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Knowsley | £31 | £222 |
| Build A Flat Roof Extension near Kirkby | £31 | £224 |
| Build A Flat Roof Extension near Huyton with Roby | £31 | £225 |
| Build A Flat Roof Extension near Prescot | £31 | £223 |
| Build A Flat Roof Extension near Bootle | £33 | £228 |
| Build A Flat Roof Extension near Liverpool | £31 | £222 |
| Build A Flat Roof Extension near Maghull | £34 | £231 |
| Build A Flat Roof Extension near Wallasey | £32 | £224 |
| Build A Flat Roof Extension near Birkenhead | £31 | £219 |
| Build A Flat Roof Extension near Crosby | £35 | £234 |
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 - £17,255

Two storey extension - £87,633

Build a timber frame extension - £25,755

Build a swimming pool - £80,755

Single storey extension - £50,104

Side return extension - £38,746

Install an RSJ - £1,955

Outbuilding - £9,755

Build a Mansard loft conversion - £51,755

Loft conversion - £31,455

Build a kitchen extension - £41,755

Hip to gable loft conversion - £41,755

Granny annexe - £86,755

Garden office - £9,755

Convert a Garage - £15,755

Garage - £18,255

Build a flat roof extension - £21,755

Build a dormer loft conversion - £41,755

Concrete foundations - £6,005

Convert a bungalow loft - £28,755

Convert a basement - £34,746