From £62,040
HOW WE WORK?We are here to design the best places!Our experience includes projects all over the world, from small scaled projects to large resident...
From £55,800
Southgate, N14
I have been in the construction industry since 2004, originally training as a carpenter. In 2013 I branched out with my own building firm, Artifex,...
From £54,680
Experienced extension builder ready to quote for your work. TIPS CONSTRUCTION is the best extension builder in Southgate. No obligation free quotes...
From £63,640
Southgate Greater London, N14
AGK Building Services Ltd is a small family-run business with more than 20 years' experience in the building services industry. We have a team of d...
From £56,440
Relax... you have found a reliable extension builder in Southgate. Des Contract Ltd is a friendly and reliable company based in Southgate who consi...
From £55,480
Southgate London, N14
Grand Lion Group is a construction company based in London, offering a wide range of build and refurbishment services. For the last 12 years, our c...
From £64,440
Relax... you have found a reliable extension builder in Southgate. Sunshine Investment Properties is a friendly and reliable company based in South...
From £55,800
Southgate London, N14
Relax... you have found a reliable extension builder in Southgate. A-Team Building Construction Ltd is a friendly and reliable company based in Sou...
From £82,840
Trusted and professional extension builder in Southgate. Experienced in all extension buildering work and keeping within budget and on quote. Artan...

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 - £17,777

Two storey extension - £88,415

Build a timber frame extension - £26,277

Build a swimming pool - £81,277

Single storey extension - £60,536

Side return extension - £44,614

Install an RSJ - £2,477

Outbuilding - £10,277

Build a Mansard loft conversion - £52,277

Loft conversion - £36,345

Build a kitchen extension - £42,277

Hip to gable loft conversion - £42,277

Granny annexe - £87,277

Garden office - £10,277

Convert a Garage - £16,277

Garage - £18,777

Build a flat roof extension - £22,277

Build a dormer loft conversion - £42,277

Concrete foundations - £6,527

Convert a bungalow loft - £29,277

Convert a basement - £40,614