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Select your affordable Sydenham extension builder
Need to find an Extension Builder near you for all your extension buildering work?
Mount Oriel Conversions & Extensions provides a local, t...
Relax... you have found a reliable extension builder in Sydenham. SM Plumbing & Heating is a friendly and reliable company based in Sydenham who co...
From £5,586
Trusted and professional extension builder in Sydenham. Experienced in all extension buildering work and keeping within budget and on quote. Belfas...
From £5,546
Ballantine building solutions is an established extension buildering business in Sydenham. We come highly recommended and provide competitive quote...
From £5,634
Designco Ltd is an established extension buildering business in Sydenham. We come highly recommended and provide competitive quotes for your work.<...
From £5,426
Trusted and professional extension builder in Sydenham. Experienced in all extension buildering work and keeping within budget and on quote. Extend...
From £5,514
Trusted and professional extension builder in Sydenham. Experienced in all extension buildering work and keeping within budget and on quote. DGA ha...
From £5,626
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

Concrete foundations range from the £5,386 (Mount Oriel Conversions & Extensions based in BT8) to £5,738 (AK Building Services based in BT8) in Sydenham.
Comparing extension builders estimates for laying concrete foundations gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes.
Find out the exact cost of laying concrete foundations in Sydenham by posting a job with HaMuch. We will send it to extension builders who can give you a detailed quote.
"Concrete foundation" - BELFAST, job posted 02/11/25
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Concrete Foundations near Belfast | £23 | £161 |
| Concrete Foundations near Holywood | £23 | £159 |
| Concrete Foundations near Carryduff | £23 | £158 |
| Concrete Foundations near Comber | £22 | £160 |
| Concrete Foundations near Greenisland | £23 | £153 |
| Concrete Foundations near Ballygowan | £24 | £183 |
| Concrete Foundations near Bangor | £24 | £183 |
| Concrete Foundations near Bangor | £24 | £183 |
| Concrete Foundations near Carrickfergus | £23 | £158 |
| Concrete Foundations near Lisburn | £24 | £164 |
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 - £16,814

Two storey extension - £86,971

Build a timber frame extension - £25,314

Build a swimming pool - £80,314

Single storey extension - £41,276

Side return extension - £33,780

Install an RSJ - £1,514

Outbuilding - £9,314

Build a Mansard loft conversion - £51,314

Loft conversion - £27,317

Build a kitchen extension - £41,314

Hip to gable loft conversion - £41,314

Granny annexe - £86,314

Garden office - £9,314

Convert a Garage - £15,314

Garage - £17,814

Build a flat roof extension - £21,314

Build a dormer loft conversion - £41,314

Concrete foundations - £5,564

Convert a bungalow loft - £28,314

Convert a basement - £29,780