From £58,360
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £54,360
Painting and decorating, plastering, kitchen and bathroom renovation extension roofing etc
From £62,840
PS Contractors is an established and experienced local extension builder in Upper Edmonton. Please contact us for a free, no obligation quote and c...
From £62,520
Eckford Chong Design is an established and experienced local extension builder in Upper Edmonton. Please contact us for a free, no obligation quote...
From £59,800
JMP Contractors & Engineers are here to help customers who need an Extension Builder in Upper Edmonton. We offer a competitive rate to complete all...
From £59,000
Experienced extension builder ready to quote for your work. R&S services Ltd is the best extension builder in Upper Edmonton. No obligation free qu...
From £55,960
By Design London Ltd are here to help customers who need an Extension Builder in Upper Edmonton. We offer a competitive rate to complete all your e...
From £54,680
We are an experienced team dedicated to designing property in a way that is both beautiful and practical. For most people buying a property is an e...
From £64,120
Need to find an Extension Builder near you for all your extension buildering work?
AJ Loft Rooms Roofing Ltd provides a local, trusted exte...
From £55,800
Relax... you have found a reliable extension builder in Upper Edmonton. Commissioned by you LLP is a friendly and reliable company based in Upper E...

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 - £17,687

Two storey extension - £88,281

Build a timber frame extension - £26,187

Build a swimming pool - £81,187

Single storey extension - £58,744

Side return extension - £43,606

Install an RSJ - £2,387

Outbuilding - £10,187

Build a Mansard loft conversion - £52,187

Loft conversion - £35,505

Build a kitchen extension - £42,187

Hip to gable loft conversion - £42,187

Granny annexe - £87,187

Garden office - £10,187

Convert a Garage - £16,187

Garage - £18,687

Build a flat roof extension - £22,187

Build a dormer loft conversion - £42,187

Concrete foundations - £6,437

Convert a bungalow loft - £29,187

Convert a basement - £39,606