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Need the extension buildering job done quickly without breaking the bank? SH Enterprise offer fast, reliable, and affordable extension buildering s...
Torrington Design
NIECEIC / NAAPIT GASSAFE WATER REGULATIONS We offer services towards completion of high end construction projects to dis...
"Did callout made safe my elctrical work thanks" - reviewed 16/05/23, REECYRUSSO
Experienced extension builder ready to quote for your work. Glenward Builders Ltd is the best extension builder in Rotherhithe. No obligation free ...
Experienced extension builder ready to quote for your work. The Perfectionist is the best extension builder in Rotherhithe. No obligation free quot...
Experienced extension builder ready to quote for your work. Cornerstones Construction is the best extension builder in Rotherhithe. No obligation f...
GS Fabric Ltd is an established and experienced local extension builder in Rotherhithe. Please contact us for a free, no obligation quote and compe...
Trusted and professional extension builder in Rotherhithe. Experienced in all extension buildering work and keeping within budget and on quote. Vid...
DUWIX BUILDING MAINTENANCE are here to help customers who need an Extension Builder in Rotherhithe. We offer a competitive rate to complete all you...
Peter Cesma
Experienced builder in all aspects of building works. All work guaranteed. Quality finish, promt ,honest and reliable services. Public liabil...
At Home Tranformers Ltd we have been fitting bespoke bathrooms for over 10 years. We pride ourselves on being the go-to bathroom fitters for discer...

In Rotherhithe, prices for dormer loft conversions range from £41,928 (GS Fabric Ltd based in E2) to £42,256 (DUWIX BUILDING MAINTENANCE based in SE5), but how much your conversion costs will vary depending on the size of your property, how easy access to your roof is and what you want to use the space for.
The best way to get an accurate price is to compare quotes from extension builders in Rotherhithe. Post your job on HaMuch now and we'll put you in touch with available extension builders.
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 - £17,626

Two storey extension - £88,188

Build a timber frame extension - £26,126

Build a swimming pool - £81,126

Single storey extension - £57,512

Side return extension - £42,913

Install an RSJ - £2,326

Outbuilding - £10,126

Build a Mansard loft conversion - £52,126

Loft conversion - £34,928

Build a kitchen extension - £42,126

Hip to gable loft conversion - £42,126

Granny annexe - £87,126

Garden office - £10,126

Convert a Garage - £16,126

Garage - £18,626

Build a flat roof extension - £22,126

Build a dormer loft conversion - £42,126

Concrete foundations - £6,376

Convert a bungalow loft - £29,126

Convert a basement - £38,913