From £21,584
Gerard & Huby Building Specialist are here to help customers who need an Extension Builder in DN14. We offer a competitive rate to complete all you...
From £22,016
ABBS Building & Plastics are here to help customers who need an Extension Builder in DN14. We offer a competitive rate to complete all your extensi...
From £21,640
Relax... you have found a reliable extension builder in DN14. Gosling Builders is a friendly and reliable company based in DN14 who consider no job...
From £21,744
Trusted and professional extension builder in DN14. Experienced in all extension buildering work and keeping within budget and on quote. MERCER PAR...
From £21,712
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £22,064
Prestine Property Maintenance Services is an established and experienced local extension builder in DN14. Please contact us for a free, no obligati...
From £22,000
From creating inspiring residential renovations and re-builds to simplifying sophisticated commercial fit-outs, Egg Interiors are experts in the re...
From £21,688
Lace Construction Ltd are here to help customers who need an Extension Builder in DN14. We offer a competitive rate to complete all your extension ...
From £21,640
Relax... you have found a reliable extension builder in DN14. PASUDA BUILDINGS LTD is a friendly and reliable company based in DN14 who consider no...
From £21,952
PASUDA BUILDINGS LTD is an established and experienced local extension builder in DN14. Please contact us for a free, no obligation quote and compe...

A flat roof extension ranges from the cheapest of £21,584 (Gerard & Huby Building Specialist based in DN14) to the dearest of £22,064 (Prestine Property Maintenance Services based in YO8), 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 DN14 by posting a job with HaMuch. We'll send it to extension builders in DN14.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Goole | £24 | £196 |
| Build A Flat Roof Extension near Selby | £25 | £198 |
| Build A Flat Roof Extension near Scunthorpe | £23 | £186 |
| Build A Flat Roof Extension near Pontefract | £26 | £202 |
| Build A Flat Roof Extension near Doncaster | £26 | £208 |
| Build A Flat Roof Extension near Castleford | £27 | £202 |
| Build A Flat Roof Extension near North Lincolnshire | £25 | £195 |
| Build A Flat Roof Extension near York | £26 | £196 |
| Build A Flat Roof Extension near Normanton | £26 | £202 |
| Build A Flat Roof Extension near Willerby | £25 | £193 |
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 - £17,304

Two storey extension - £87,706

Build a timber frame extension - £25,804

Build a swimming pool - £80,804

Single storey extension - £51,080

Side return extension - £39,295

Install an RSJ - £2,004

Outbuilding - £9,804

Build a Mansard loft conversion - £51,804

Loft conversion - £31,913

Build a kitchen extension - £41,804

Hip to gable loft conversion - £41,804

Granny annexe - £86,804

Garden office - £9,804

Convert a Garage - £15,804

Garage - £18,304

Build a flat roof extension - £21,804

Build a dormer loft conversion - £41,804

Concrete foundations - £6,054

Convert a bungalow loft - £28,804

Convert a basement - £35,295