From £22,384
Offley, SG5
Experienced extension builder ready to quote for your work. HB Construction is the best extension builder in Offley. No obligation free quotes and ...
From £21,704
Need an Extension Builder in Offley? L P L Property Services Limited has been helping local clients (20 mile radius) with their extension builderin...
From £22,408
M P BUILDING LIMITED is an established and experienced local extension builder in Offley. Please contact us for a free, no obligation quote and com...
From £22,320
Totalworth Building Services is an established extension buildering business in Offley. We come highly recommended and provide competitive quotes f...
From £22,208
Need an Extension Builder in Offley? WILLMOTT DIXON CONSTRUCTION LI has been helping local clients (20 mile radius) with their extension buildering...
From £22,288
Realise Your Luxury Dream Home With The Design And Build Partner You Can Trust.At MG Design & Build we have over 25 years of experience in the cons...
From £22,360
Experienced extension builder ready to quote for your work. Specialist Building Refurbishm is the best extension builder in Offley. No obligation f...
From £22,488
Need an Extension Builder in Offley? M SPINDLER CONSTRUCTION LTD has been helping local clients (20 mile radius) with their extension buildering jo...
From £22,168
Need an Extension Builder in Offley? Gilbert & Gregson Construction Ltd has been helping local clients (20 mile radius) with their extension builde...
From £22,128
Draincall Services Ltd is a trusted extension builder serving customers in Offley and the surrounding area. Contact us to today to get a competitiv...

A flat roof extension ranges from the cheapest of £21,704 (L P L Property Services Limited based in SG5) to the dearest of £22,488 (M SPINDLER CONSTRUCTION LTD based in SG6), 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 Offley by posting a job with HaMuch. We'll send it to extension builders in Offley.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Letchworth | £44 | £283 |
| Build A Flat Roof Extension near North Hertfordshire | £44 | £283 |
| Build A Flat Roof Extension near Hitchin | £43 | £283 |
| Build A Flat Roof Extension near Stevenage | £44 | £282 |
| Build A Flat Roof Extension near Biggleswade | £41 | £268 |
| Build A Flat Roof Extension near Mid Bedfordshire | £42 | £276 |
| Build A Flat Roof Extension near Luton | £41 | £278 |
| Build A Flat Roof Extension near Ampthill | £38 | £258 |
| Build A Flat Roof Extension near Harpenden | £86 | £315 |
| Build A Flat Roof Extension near East Hertfordshire | £44 | £289 |
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 - £17,746

Two storey extension - £88,368

Build a timber frame extension - £26,246

Build a swimming pool - £81,246

Single storey extension - £59,912

Side return extension - £44,263

Install an RSJ - £2,446

Outbuilding - £10,246

Build a Mansard loft conversion - £52,246

Loft conversion - £36,053

Build a kitchen extension - £42,246

Hip to gable loft conversion - £42,246

Granny annexe - £87,246

Garden office - £10,246

Convert a Garage - £16,246

Garage - £18,746

Build a flat roof extension - £22,246

Build a dormer loft conversion - £42,246

Concrete foundations - £6,496

Convert a bungalow loft - £29,246

Convert a basement - £40,263