From £16,448
We pride ourselves on providing a professional, caring, and high-quality service and always meet our customers’ needs. Each contractor that works...
From £16,016
WiseContract are here to help customers who need an Extension Builder in New Cross. We offer a competitive rate to complete all your extension buil...
From £16,288
Trusted and professional extension builder in New Cross. Experienced in all extension buildering work and keeping within budget and on quote. Basel...
From £16,312
Need to find an Extension Builder near you for all your extension buildering work?
blitbolt ltd provides a local, trusted extension builder...
From £16,200
We have a creative eye and like a challenge, often building bespoke and creative buildings and furniture. This is mixed with a wide experience of m...
From £16,376
Need an Extension Builder in New Cross? Exquisite Design & Build Ltd has been helping local clients (5 mile radius) with their extension buildering...
From £16,096
Ballara Ltd is an established and experienced local extension builder in New Cross. Please contact us for a free, no obligation quote and competiti...
From £16,040
Ballara Limited was set up by Darryl Pitt in 2008, however, Darryl has been involved in the building industry for over 20 years. He started out a...
From £16,120
Global Business BoxLttd are here to help customers who need an Extension Builder in New Cross. We offer a competitive rate to complete all your ext...

Garage conversions in New Cross typically range from £16,016 (WiseContract based in se14) to £16,448 (DWL Construction Ltd based in SE14), but the only way to get an accurate cost for your specific project is to get quotes.
Post a job with HaMuch and we'll send it to extension builders in New Cross who will be happy to help.
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 - £17,694

Two storey extension - £88,290

Build a timber frame extension - £26,194

Build a swimming pool - £81,194

Single storey extension - £58,872

Side return extension - £43,678

Install an RSJ - £2,394

Outbuilding - £10,194

Build a Mansard loft conversion - £52,194

Loft conversion - £35,565

Build a kitchen extension - £42,194

Hip to gable loft conversion - £42,194

Granny annexe - £87,194

Garden office - £10,194

Convert a Garage - £16,194

Garage - £18,694

Build a flat roof extension - £22,194

Build a dormer loft conversion - £42,194

Concrete foundations - £6,444

Convert a bungalow loft - £29,194

Convert a basement - £39,678