From £87,772
Need an Extension Builder in SG17? R&J Building Services Ltd has been helping local clients (20 mile radius) with their extension buildering jobs f...
From £88,540
Experienced extension builder ready to quote for your work. Specialist Building Refurbishm is the best extension builder in SG17. No obligation fre...
From £88,492
Our building services company David Douglas Developments has over 30 years’ experience, and built an established reputation of providing customer...
From £88,288
TCL BUILDING SOLUTIONS LTD are here to help customers who need an Extension Builder in SG17. We offer a competitive rate to complete all your exten...
From £88,408
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £88,828
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 £88,432
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 £88,852
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 £88,180
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 £88,468
Experienced extension builder ready to quote for your work. Bricklayers is the best extension builder in SG17. No obligation free quotes and many h...

Costs range from £87,772 (R&J Building Services Ltd based in SG17) to £88,852 (O & E Developments Ld based in MK45), but these are just estimates. The best way to compare costs is to get real quotes from real builders.
Post your job on HaMuch and we'll send it to extension builders to SG17.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Two Storey Extension near Biggleswade | £41 | £268 |
| Two Storey Extension near Letchworth | £44 | £283 |
| Two Storey Extension near Mid Bedfordshire | £42 | £276 |
| Two Storey Extension near Ampthill | £38 | £258 |
| Two Storey Extension near North Hertfordshire | £44 | £283 |
| Two Storey Extension near Hitchin | £43 | £283 |
| Two Storey Extension near Kempston | £44 | £273 |
| Two Storey Extension near South Bedfordshire | £45 | £278 |
| Two Storey Extension near Bedford | £45 | £278 |
| Two Storey 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