From £88,456
Relax... you have found a reliable extension builder in SG8. Refresh Renovations - Cambridgeshire - Simon is a friendly and reliable company based ...
From £88,696
Trusted and professional extension builder in SG8. Experienced in all extension buildering work and keeping within budget and on quote. Rescapes Co...
From £88,108
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £88,324
M OLIVER BUILDING is an established and experienced local extension builder in SG8. Please contact us for a free, no obligation quote and competiti...
From £88,576
Comprehensive, Intelligent Construction Service offering Domestic and Commercial Buildings, Barn, Basement and Loft Conversions, Renovation & Refur...
From £90,040
Experienced extension builder ready to quote for your work. ALLIED BUILDING ASSOCIATES LTD is the best extension builder in SG8. No obligation free...
From £88,684
Steve Rolt Home Improvements Ltd was founded in 2016 in Buntingford, Hertfordshire, and from small beginnings, has gone from stren...
From £88,120
Essex Roofing Ltd is an established and experienced local extension builder in SG8. Please contact us for a free, no obligation quote and competiti...
From £88,204
O G Conversions is an established and experienced local extension builder in SG8. Please contact us for a free, no obligation quote and competitive...
From £88,324
Trusted and professional extension builder in SG8. Experienced in all extension buildering work and keeping within budget and on quote. DEBRAY BUIL...

Costs range from £88,108 (ECO DESIGN & BUILD (UK) LTD based in SG8) to £90,040 (ALLIED BUILDING ASSOCIATES LTD based in CB22), but these are just estimates. The best way to compare costs is to get real quotes from real builders.
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| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Two Storey Extension near South Cambridgeshire | £43 | £305 |
| Two Storey Extension near Letchworth | £44 | £283 |
| Two Storey Extension near Biggleswade | £41 | £268 |
| Two Storey Extension near North Hertfordshire | £44 | £283 |
| Two Storey Extension near Cambridge | £38 | £271 |
| Two Storey Extension near East Hertfordshire | £44 | £289 |
| Two Storey Extension near Stevenage | £44 | £282 |
| Two Storey Extension near Hitchin | £43 | £283 |
| Two Storey Extension near St Neots | £51 | £318 |
| Two Storey Extension near Bishop's Stortford | £42 | £264 |
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 - £17,869

Two storey extension - £88,553

Build a timber frame extension - £26,369

Build a swimming pool - £81,369

Single storey extension - £62,376

Side return extension - £45,649

Install an RSJ - £2,569

Outbuilding - £10,369

Build a Mansard loft conversion - £52,369

Loft conversion - £37,208

Build a kitchen extension - £42,369

Hip to gable loft conversion - £42,369

Granny annexe - £87,369

Garden office - £10,369

Convert a Garage - £16,369

Garage - £18,869

Build a flat roof extension - £22,369

Build a dormer loft conversion - £42,369

Concrete foundations - £6,619

Convert a bungalow loft - £29,369

Convert a basement - £41,649