Name: Extension Builder
Brand: HaMuch
SKU: extension-renovation
Rating: 4.63 (4 reviews)

Find affordable SE10 extension builders now

Extension builders rates in SE10 range from £37/hour £233/day (ALFA Building Solutions Ltd) to £50/hour £311/day (Your Builder Hero). To see prices and availability now for your job click green button.

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"Dormer loft conversion" - SE3, job posted 30/08/25

"Loft conversion" - SE3, job posted 18/03/24

"Hello can you help me build a LEAN-TO CONSERVATORY/SUN ROOM . My bedroom is very small and need extra space. I would require insulation; a small windows for fresh air and French Doors with a lock. QUOTE PLS: Not sure to build from scratch or buy one to be erected SIZE: 8X6 OR 10X6. THANK YOU." - SE8, job posted 24/02/24

"Loft conversion" - SE7, job posted 11/01/24

Quickly find an Extension Builder in SE10

Use these steps to find Extension Builders in SE10 for FREE!

Post your job: Click "Get quotes" and briefly describe your job.
Enter your details: We’ll match you with Extension Builders in SE10. We’ll notify you via text or email when an Extension Builder is available to quote.
Select your Extension Builder: Compare Extension Builders interested in working with you. You can use HaMuch to safely message local SE10 Extension Builders or phone them directly - you’re in control!

Local Extension Builders in London Boroughs

Local Extension Builders in London Boroughs
Borough in London
Extension Builders in Greenwich
Extension Builders in Deptford
Extension Builders in Blackheath
Extension Builders in Charlton
Extension Builders in Lewisham
Extension Builders in New Cross
Extension Builders in Canary Wharf
Extension Builders in Brockley
Extension Builders in Canning Town
Extension Builders in Rotherhithe

Job estimates from extension builders near you

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.

Build a timber frame extension - £26,200

Garden office - £10,200

Granny annexe - £87,200

Build a flat roof extension - £22,200

Convert a Garage - £16,200

Hip to gable loft conversion - £42,200

Convert a bungalow loft - £29,200

Build a dormer loft conversion - £42,200

Build a swimming pool - £81,200

Build a Mansard loft conversion - £52,200

Concrete foundations - £6,450

Underpin a building - £17,700

Two storey extension - £88,300

Convert a basement - £39,750

Side return extension - £43,750

Loft conversion - £35,625

Garage - £18,700

Single storey extension - £59,000

Outbuilding - £10,200

Install an RSJ - £2,400

Build a kitchen extension - £42,200

More extensions & conversions cost guides...

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