From £22,040
From building preservation to extensions in Grimsby, we have the skills and experience you need. We undertake a very wide selection of wor...
From £21,776
Need an Extension Builder in DN34? A F Beckett has been helping local clients (20 mile radius) with their extension buildering jobs for many years....
From £22,456
Need to find an Extension Builder near you for all your extension buildering work?
One Stop Building and Property Solutions Ltd provides a ...
From £21,752
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £21,928
Relax... you have found a reliable extension builder in DN34. JOHN WILKINSON BUILDER LTD is a friendly and reliable company based in DN34 who consi...
From £21,968
Relax... you have found a reliable extension builder in DN34. APPLEWOOD JOINERS&BUILDERS LTD is a friendly and reliable company based in DN34 who c...
From £21,848
Dan's News youth club is an established and experienced local extension builder in DN34. Please contact us for a free, no obligation quote and comp...
From £21,616
Need an Extension Builder in DN34? S.E.S Services has been helping local clients (20 mile radius) with their extension buildering jobs for many yea...
From £21,696
Absolute Finishes is an established extension buildering business in DN34. We come highly recommended and provide competitive quotes for your work....
From £21,688
JAK SITE SERVICES LIMITIED is an established extension buildering business in DN34. We come highly recommended and provide competitive quotes for y...

A flat roof extension ranges from the cheapest of £21,616 (S.E.S Services based in HU8) to the dearest of £22,456 (One Stop Building and Property Solutions Ltd based in DN37), 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 DN34 by posting a job with HaMuch. We'll send it to extension builders in DN34.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near North East Lincolnshire | £32 | £246 |
| Build A Flat Roof Extension near Grimsby | £32 | £246 |
| Build A Flat Roof Extension near Cleethorpes | £32 | £246 |
| Build A Flat Roof Extension near Hull | £29 | £223 |
| Build A Flat Roof Extension near North Lincolnshire | £28 | £216 |
| Build A Flat Roof Extension near Willerby | £29 | £221 |
| Build A Flat Roof Extension near East Lindsey | £27 | £198 |
| Build A Flat Roof Extension near Scunthorpe | £26 | £207 |
| Build A Flat Roof Extension near East Riding | £29 | £223 |
| Build A Flat Roof Extension near Beverley | £29 | £223 |
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 - £17,377

Two storey extension - £87,815

Build a timber frame extension - £25,877

Build a swimming pool - £80,877

Single storey extension - £52,536

Side return extension - £40,114

Install an RSJ - £2,077

Outbuilding - £9,877

Build a Mansard loft conversion - £51,877

Loft conversion - £32,595

Build a kitchen extension - £41,877

Hip to gable loft conversion - £41,877

Granny annexe - £86,877

Garden office - £9,877

Convert a Garage - £15,877

Garage - £18,377

Build a flat roof extension - £21,877

Build a dormer loft conversion - £41,877

Concrete foundations - £6,127

Convert a bungalow loft - £28,877

Convert a basement - £36,114