From £18,524
Buci builders ltd is a trusted extension builder serving customers in Tulse Hill and the surrounding area. Contact us to today to get a competitive...
From £17,868
Need to find an Extension Builder near you for all your extension buildering work?
St Ives Decor provides a local, trusted extension builde...
From £17,772
At Alta we offer a complete architectural design and project management service, from the first sketches through to handover.We have grown our busi...
From £17,716
Create Bespoke is a team of design and build experts, specialising in bespoke and luxury finishes. Your vision is at the heart of our process. Thro...
From £17,484
No Call out charges!
All Jobs Fully Insured and Guaranteed !!!
All aspects of Plumbing, Heating and Drains....
...From £17,852
We are Parallax and specialise in Construction Project Management and Design and Build with year long experience in the London high end residential...
From £17,828
Trusted and professional extension builder in Tulse Hill. Experienced in all extension buildering work and keeping within budget and on quote. JM P...
From £17,788
Martin's Builders & Decorators is a trusted extension builder serving customers in Tulse Hill and the surrounding area. Contact us to today to get ...
From £17,812
Urban London Development is an established extension buildering business in Tulse Hill. We come highly recommended and provide competitive quotes f...
From £17,540
We specialise in residential development and modernisation from a kitchen extension to a new build, we have the capacity and diversity to deliver.A...

Underpinning ranges from £17,484 (RCB Group Design & Build based in SE21) to £18,524 (Buci builders ltd based in SE27), but the final cost will depend on the method of underpinning used, how much of your foundations need underpinning and where you live.
Comparing extension builders estimates for underpinning gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
Get quotes to underpin your home in Tulse Hill by posting a job with HaMuch and we will send it to extension builders in Tulse Hill.
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 - £17,818

Two storey extension - £88,478

Build a timber frame extension - £26,318

Build a swimming pool - £81,318

Single storey extension - £61,368

Side return extension - £45,082

Install an RSJ - £2,518

Outbuilding - £10,318

Build a Mansard loft conversion - £52,318

Loft conversion - £36,735

Build a kitchen extension - £42,318

Hip to gable loft conversion - £42,318

Granny annexe - £87,318

Garden office - £10,318

Convert a Garage - £16,318

Garage - £18,818

Build a flat roof extension - £22,318

Build a dormer loft conversion - £42,318

Concrete foundations - £6,568

Convert a bungalow loft - £29,318

Convert a basement - £41,082