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Select your affordable L22 extension builder
Need to find an Extension Builder near you for all your extension buildering work?
Derek J Platt & Co provides a local, trusted extension b...
Robuild - Waterwise is an established extension buildering business in L22. We come highly recommended and provide competitive quotes for your work...
Relax... you have found a reliable extension builder in L22. KM Building Services is a friendly and reliable company based in L22 who consider no j...
Need an Extension Builder in L22? Bob the Builder has been helping local clients (20 mile radius) with their extension buildering jobs for many yea...
BTC Bernstef Ltd is an established extension buildering business in L22. We come highly recommended and provide competitive quotes for your work.
Thomas Healey
Need an Extension Builder in L22? T&T Building Contractors has been helping local clients (20 mile radius) with their extension buildering jobs for...
CJ Construction are here to help customers who need an Extension Builder in L22. We offer a competitive rate to complete all your extension builder...
From £21,672
KOR BUILDING SERVICES is an established and experienced local extension builder in L22. Please contact us for a free, no obligation quote and compe...
From £21,712
PARKFIELD CONSTRUCTION LTD is an established extension buildering business in L22. We come highly recommended and provide competitive quotes for yo...
From £21,880
Need to find an Extension Builder near you for all your extension buildering work?
Sbetts Building provides a local, trusted extension buil...

A flat roof extension ranges from the cheapest of £21,576 (BTC Bernstef Ltd based in L23) to the dearest of £21,912 (Derek J Platt & Co based in CH45), 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 L22 by posting a job with HaMuch. We'll send it to extension builders in L22.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Crosby | £35 | £234 |
| Build A Flat Roof Extension near Sefton | £35 | £234 |
| Build A Flat Roof Extension near Bootle | £33 | £228 |
| Build A Flat Roof Extension near Wallasey | £32 | £224 |
| Build A Flat Roof Extension near Maghull | £34 | £231 |
| Build A Flat Roof Extension near Liverpool | £31 | £222 |
| Build A Flat Roof Extension near Kirkby | £31 | £224 |
| Build A Flat Roof Extension near Birkenhead | £31 | £219 |
| Build A Flat Roof Extension near Formby | £28 | £206 |
| Build A Flat Roof Extension near Wirral | £31 | £219 |
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 - £17,265

Two storey extension - £87,647

Build a timber frame extension - £25,765

Build a swimming pool - £80,765

Single storey extension - £50,296

Side return extension - £38,854

Install an RSJ - £1,965

Outbuilding - £9,765

Build a Mansard loft conversion - £51,765

Loft conversion - £31,545

Build a kitchen extension - £41,765

Hip to gable loft conversion - £41,765

Granny annexe - £86,765

Garden office - £9,765

Convert a Garage - £15,765

Garage - £18,265

Build a flat roof extension - £21,765

Build a dormer loft conversion - £41,765

Concrete foundations - £6,015

Convert a bungalow loft - £28,765

Convert a basement - £34,854