Experienced extension builder ready to quote for your work. Five Star Builder is the best extension builder in Hornsey. No obligation free quotes a...
Dimitar Vakavliev
We are reliable tradesmen delivering quality works with attention to detail
Need the extension buildering job done quickly without breaking the bank? WT Construction Service Ltd offer fast, reliable, and affordable extensio...
Relax... you have found a reliable extension builder in Hornsey. London Trowel Co. is a friendly and reliable company based in Hornsey who consider...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Darren Bergin
Relax... you have found a reliable extension builder in Hornsey. First guard Roofing is a friendly and reliable company based in Hornsey who consid...
GG CONSTRUCTION LTD is a trusted extension builder serving customers in Hornsey and the surrounding area. Contact us to today to get a competitive ...
Andreas Thomas Demetri is a trusted extension builder serving customers in Hornsey and the surrounding area. Contact us to today to get a competiti...
SJ Expert Building Services are here to help customers who need an Extension Builder in Hornsey. We offer a competitive rate to complete all your e...
Ivaylo Shkodrov
Extremely reliable service . Flexibility, correct, listening customer. Wide experience.

Comparing extension builders estimates for a Convert a basement gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes for the cost to convert a basement in Hornsey by posting a job with HaMuch and we will send it to extension builders in Hornsey.
"Basement conversion" - N6, job posted 01/01/70
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 - £17,547

Two storey extension - £88,071

Build a timber frame extension - £26,047

Build a swimming pool - £81,047

Single storey extension - £55,944

Side return extension - £42,031

Install an RSJ - £2,247

Outbuilding - £10,047

Build a Mansard loft conversion - £52,047

Loft conversion - £34,193

Build a kitchen extension - £42,047

Hip to gable loft conversion - £42,047

Granny annexe - £87,047

Garden office - £10,047

Convert a Garage - £16,047

Garage - £18,547

Build a flat roof extension - £22,047

Build a dormer loft conversion - £42,047

Concrete foundations - £6,297

Convert a bungalow loft - £29,047

Convert a basement - £38,031