From £21,304
John Scarisbrick
Local reliable family business
Free estimates
Clean friendly service
From £21,912
Relax... you have found a reliable extension builder in L37. OLIA CONSTRUCTION LTD is a friendly and reliable company based in L37 who consider no ...

A flat roof extension ranges from the cheapest of £21,304 (John Scarisbrick based in L39) to the dearest of £21,912 (OLIA CONSTRUCTION LTD based in L37), 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 L37 by posting a job with HaMuch. We'll send it to extension builders in L37.
"Flat roof extension" - FORMBY, job posted 01/01/70
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Formby | £23 | £162 |
| Build A Flat Roof Extension near Sefton | £33 | £221 |
| Build A Flat Roof Extension near Crosby | £33 | £223 |
| Build A Flat Roof Extension near Southport | £27 | £198 |
| Build A Flat Roof Extension near Maghull | £33 | £220 |
| Build A Flat Roof Extension near Ormskirk | £29 | £206 |
| Build A Flat Roof Extension near Bootle | £32 | £224 |
| Build A Flat Roof Extension near West Lancashire | £28 | £203 |
| Build A Flat Roof Extension near Kirkby | £31 | £224 |
| Build A Flat Roof Extension near Wallasey | £32 | £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 - £17,108

Two storey extension - £87,412

Build a timber frame extension - £25,608

Build a swimming pool - £80,608

Single storey extension - £47,160

Side return extension - £37,090

Install an RSJ - £1,808

Outbuilding - £9,608

Build a Mansard loft conversion - £51,608

Loft conversion - £30,075

Build a kitchen extension - £41,608

Hip to gable loft conversion - £41,608

Granny annexe - £86,608

Garden office - £9,608

Convert a Garage - £15,608

Garage - £18,108

Build a flat roof extension - £21,608

Build a dormer loft conversion - £41,608

Concrete foundations - £5,858

Convert a bungalow loft - £28,608

Convert a basement - £33,090