From £88,108
We have a skilled and dedicated team of professional tradesmen to carry out all your requirements. Whether you are looking to build, extend or upgr...
From £87,616
Relax... you have found a reliable extension builder in SN3. Highworth Felt Roofing Limited is a friendly and reliable company based in SN3 who con...
From £87,832
Relax... you have found a reliable extension builder in SN3. Ktirio is a friendly and reliable company based in SN3 who consider no job as too big ...
From £87,832
ABC Builders is a trusted extension builder serving customers in SN3 and the surrounding area. Contact us to today to get a competitive quote for e...
From £87,220
MR HOWELL are here to help customers who need an Extension Builder in SN3. We offer a competitive rate to complete all your extension buildering jo...
From £88,216
BROWNS TOTAL DESIGN & BUILD LTD is an established and experienced local extension builder in SN3. Please contact us for a free, no obligation quote...
From £87,544
CORE CONSTRUCTION is an established extension buildering business in SN3. We come highly recommended and provide competitive quotes for your work.<...
From £87,928
A D BUILDING SERVICES T/A is a trusted extension builder serving customers in SN3 and the surrounding area. Contact us to today to get a competitiv...
From £88,468
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £88,228
DP BUILDING is an established extension buildering business in SN3. We come highly recommended and provide competitive quotes for your work.

Costs range from £87,220 (MR HOWELL based in SN3) to £88,468 (The trade collective ltd based in Sn1), 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 SN3.
"Two storey extension" - SN1, job posted 01/01/70
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Two Storey Extension near Swindon | £38 | £238 |
| Two Storey Extension near Stratton St Margaret | £37 | £238 |
| Two Storey Extension near Thamesdown | £38 | £239 |
| Two Storey Extension near Vale of White Horse | £36 | £271 |
| Two Storey Extension near Calne | £29 | £225 |
| Two Storey Extension near North Wiltshire | £32 | £242 |
| Two Storey Extension near West Wiltshire | £32 | £242 |
| Two Storey Extension near Devizes | £32 | £242 |
| Two Storey Extension near Witney | £32 | £244 |
| Two Storey Extension near Chippenham | £34 | £258 |
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 - £17,433

Two storey extension - £87,899

Build a timber frame extension - £25,933

Build a swimming pool - £80,933

Single storey extension - £53,656

Side return extension - £40,744

Install an RSJ - £2,133

Outbuilding - £9,933

Build a Mansard loft conversion - £51,933

Loft conversion - £33,120

Build a kitchen extension - £41,933

Hip to gable loft conversion - £41,933

Granny annexe - £86,933

Garden office - £9,933

Convert a Garage - £15,933

Garage - £18,433

Build a flat roof extension - £21,933

Build a dormer loft conversion - £41,933

Concrete foundations - £6,183

Convert a bungalow loft - £28,933

Convert a basement - £36,744