Name: Extension Builder
Brand: HaMuch
SKU: extension-renovation
Rating: 4.63 (8 reviews)

Find affordable E3 extension builders now

Extension builders rates in E3 range from £38/hour £238/day (ALRIMO CONSTRUCTION LTD) to £51/hour £316/day (Matt Contractor). To see prices and availability now for your job click green button.

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"Speculative quote ahead of a prospective purchase" - E3, job posted 31/08/26

"Flat roof extension" - E5, job posted 18/03/25

"Looking for a glass side infill extension for terraced house in Leyton E15; Total area of extension is around 10-11 sqm." - E15, job posted 10/06/24

"Loft conversion of a semi-detached house, E15 2AT Hip to Gable Conversion + Rear Dormer Bedroom / Bathroom combination Thus need plumbling and electricity" - E15, job posted 08/03/24

"Loft conversion" - E15, job posted 08/03/24

"Build an be small extension" - E15, job posted 26/01/24

"Basement conversion" - E15, job posted 31/08/23

"Side return extension" - E3, job posted 30/08/23

Quickly find an Extension Builder in E3

Use these steps to find Extension Builders in E3 for FREE!

Post your job: Click "Get quotes" and briefly describe your job.
Enter your details: We’ll match you with Extension Builders in E3. 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 E3 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 Bow
Extension Builders in Homerton
Extension Builders in Stratford
Extension Builders in Canary Wharf
Extension Builders in Bethnal Green
Extension Builders in Shoreditch
Extension Builders in Hackney
Extension Builders in Wapping
Extension Builders in Plaistow
Extension Builders in Clapton

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 - £26,264

Garden office - £10,264

Granny annexe - £87,264

Build a flat roof extension - £22,264

Convert a Garage - £16,264

Hip to gable loft conversion - £42,264

Convert a bungalow loft - £29,264

Build a dormer loft conversion - £42,264

Build a swimming pool - £81,264

Build a Mansard loft conversion - £52,264

Concrete foundations - £6,514

Underpin a building - £17,764

Two storey extension - £88,396

Convert a basement - £40,470

Side return extension - £44,470

Loft conversion - £36,225

Garage - £18,764

Single storey extension - £60,280

Outbuilding - £10,264

Install an RSJ - £2,464

Build a kitchen extension - £42,264

More extensions & conversions cost guides...

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