From £87,868
STEVE MULVANEY BUILDING are here to help customers who need an Extension Builder in Seaham. We offer a competitive rate to complete all your extens...
From £88,156
A Kendal Builders (N/E) Limited is an established and experienced local extension builder in Seaham. Please contact us for a free, no obligation qu...
From £87,748
LJP Roofing are here to help customers who need an Extension Builder in Seaham. We offer a competitive rate to complete all your extension builderi...
From £87,712
Trusted and professional extension builder in Seaham. Experienced in all extension buildering work and keeping within budget and on quote. DHB Buil...
From £87,868
Our building services company Home Grown NE has been providing professional, trustworthy building services to customers throughout the North-East f...
From £87,904
Building Craft Ltd is an established extension buildering business in Seaham. We come highly recommended and provide competitive quotes for your wo...
From £87,976
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £92,488
Trusted and professional extension builder in Seaham. Experienced in all extension buildering work and keeping within budget and on quote. David R...
From £88,156
RAINTON CONSTRUCTION LTD is an established and experienced local extension builder in Seaham. Please contact us for a free, no obligation quote and...
From £89,320
Established 1983 . For more info visit web site please . Worked in industry for over 40 years.

Costs range from £87,712 (DHB Builders based in DH6) to £92,488 (David Robertson builders based in Sr4), 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 Seaham.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Two Storey Extension near Seaham | £35 | £235 |
| Two Storey Extension near Peterlee | £36 | £230 |
| Two Storey Extension near Sunderland | £33 | £251 |
| Two Storey Extension near Washington | £33 | £254 |
| Two Storey Extension near Durham | £47 | £267 |
| Two Storey Extension near Chester-le-Street | £35 | £242 |
| Two Storey Extension near South Tyneside | £34 | £261 |
| Two Storey Extension near Jarrow | £34 | £262 |
| Two Storey Extension near Hartlepool | £40 | £236 |
| Two Storey Extension near South Shields | £36 | £257 |
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 - £17,846

Two storey extension - £88,520

Build a timber frame extension - £26,346

Build a swimming pool - £81,346

Single storey extension - £61,928

Side return extension - £45,397

Install an RSJ - £2,546

Outbuilding - £10,346

Build a Mansard loft conversion - £52,346

Loft conversion - £36,998

Build a kitchen extension - £42,346

Hip to gable loft conversion - £42,346

Granny annexe - £87,346

Garden office - £10,346

Convert a Garage - £16,346

Garage - £18,846

Build a flat roof extension - £22,346

Build a dormer loft conversion - £42,346

Concrete foundations - £6,596

Convert a bungalow loft - £29,346

Convert a basement - £41,397