From £21,848
Shefford, SG17
Need an Extension Builder in Shefford? R&J Building Services Ltd has been helping local clients (20 mile radius) with their extension buildering jo...
From £22,360
Experienced extension builder ready to quote for your work. Specialist Building Refurbishm is the best extension builder in Shefford. No obligation...
From £22,328
Our building services company David Douglas Developments has over 30 years’ experience, and built an established reputation of providing customer...
From £22,192
TCL BUILDING SOLUTIONS LTD are here to help customers who need an Extension Builder in Shefford. We offer a competitive rate to complete all your e...
From £22,272
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £22,552
Blue Conker are dedicated to creating spaces for you to enjoy living. From the planning stages through to the finishing touches, our team of profes...
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 £22,568
We strive for quality for our clients. With over 37 years experience in the building industry we can offer a full service for our clients including...
From £22,120
For more than 10 years, North Hertfordshire Construction LTD have been the name you can trust when it comes to building and development! We are kno...
From £22,312
Experienced extension builder ready to quote for your work. Bricklayers is the best extension builder in Shefford. No obligation free quotes and ma...

A flat roof extension ranges from the cheapest of £21,848 (R&J Building Services Ltd based in SG17) to the dearest of £22,568 (O & E Developments Ld based in MK45), 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 Shefford by posting a job with HaMuch. We'll send it to extension builders in Shefford.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Flat Roof Extension near Biggleswade | £41 | £268 |
| Build A Flat Roof Extension near Letchworth | £44 | £283 |
| Build A Flat Roof Extension near Mid Bedfordshire | £42 | £276 |
| Build A Flat Roof Extension near Ampthill | £38 | £258 |
| 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 Kempston | £44 | £273 |
| Build A Flat Roof Extension near South Bedfordshire | £45 | £278 |
| Build A Flat Roof Extension near Bedford | £45 | £278 |
| 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 - £17,784

Two storey extension - £88,426

Build a timber frame extension - £26,284

Build a swimming pool - £81,284

Single storey extension - £60,680

Side return extension - £44,695

Install an RSJ - £2,484

Outbuilding - £10,284

Build a Mansard loft conversion - £52,284

Loft conversion - £36,413

Build a kitchen extension - £42,284

Hip to gable loft conversion - £42,284

Granny annexe - £87,284

Garden office - £10,284

Convert a Garage - £16,284

Garage - £18,784

Build a flat roof extension - £22,284

Build a dormer loft conversion - £42,284

Concrete foundations - £6,534

Convert a bungalow loft - £29,284

Convert a basement - £40,695