From £21,992
ARC Building Services is a trusted extension builder serving customers in Bedfordshire and the surrounding area. Contact us to today to get a comp...
From £21,936
Plumbing, painting exterior, interior, extensions, plastering, skiming, carpeting, Flooring, you can ask us ..
From £21,456
we are very efficient in our work.and make sure our client is one 100% satisfied with our work.
From £22,040
Bedfordshire, LU2
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £22,120
Bedfordshire, LU1
GA Plan and Design is an established and experienced local extension builder in Bedfordshire. Please contact us for a free, no obligation quote and...
From £22,408
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £22,224
Inkerman Building & Roofing Co are here to help customers who need an Extension Builder in Bedfordshire. We offer a competitive rate to complete al...
From £21,984
We specialise in General Building, extensions, loft conversions, complete refurbishment, exterior painting, bathroom kitchens, garage conversion an...
From £22,000
S Sherazi Home Improvement Service are here to help customers who need an Extension Builder in Bedfordshire. We offer a competitive rate to complet...
From £22,392
Bedfordshire, LU1
ACR Build is an established and experienced local extension builder in Bedfordshire. Please contact us for a free, no obligation quote and competit...

A flat roof extension ranges from the cheapest of £21,456 (Rite Builders based in LU1) to the dearest of £22,408 (GRAY & SONS BUILDERS LTD based in LU2), 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 Bedfordshire by posting a job with HaMuch. We'll send it to extension builders in Bedfordshire.
"Flat roof extension" - LU4, job posted 01/01/70
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Luton | £41 | £278 |
| Build A Flat Roof Extension near Dunstable | £41 | £272 |
| Build A Flat Roof Extension near Harpenden | £86 | £315 |
| Build A Flat Roof Extension near Hitchin | £43 | £283 |
| Build A Flat Roof Extension near Hemel Hempstead | £42 | £270 |
| Build A Flat Roof Extension near Mid Bedfordshire | £42 | £276 |
| Build A Flat Roof Extension near St Albans | £63 | £288 |
| Build A Flat Roof Extension near Dacorum | £42 | £269 |
| Build A Flat Roof Extension near Berkhamsted | £41 | £263 |
| Build A Flat Roof Extension near Stevenage | £44 | £282 |
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 - £17,555

Two storey extension - £88,083

Build a timber frame extension - £26,055

Build a swimming pool - £81,055

Single storey extension - £56,104

Side return extension - £42,121

Install an RSJ - £2,255

Outbuilding - £10,055

Build a Mansard loft conversion - £52,055

Loft conversion - £34,268

Build a kitchen extension - £42,055

Hip to gable loft conversion - £42,055

Granny annexe - £87,055

Garden office - £10,055

Convert a Garage - £16,055

Garage - £18,555

Build a flat roof extension - £22,055

Build a dormer loft conversion - £42,055

Concrete foundations - £6,305

Convert a bungalow loft - £29,055

Convert a basement - £38,121