Name: Extension Builder
Brand: HaMuch
SKU: extension-renovation
Rating: 4.7 (5 reviews)

Find affordable Collier Row extension builders now

Extension builders rates in Collier Row range from £38/hour £238/day (SS Home Builders) to £62/hour £404/day (P & M Builders). To see prices and availability now for your job click green button.

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"Job 1 New drain line , to be connected to mains. Job 2 Ground work to be done , to construct 1st floor, and 2nd floor of the building. Job 3 new roof to be done for new building, 1st and 2nd floor. Job 4 plumbing work and adjusted with old plumbing. Work must be done according to plan and..." - RM5, job posted 28/10/26

"Dormer loft conversion" - RM1, job posted 15/01/26

"Cost regarding: Two storey extension. Currently we have a side garage, we wish to demolish this and build a two story extension. Property is semi detached and post code is RM2 5JX Please note, this property falls in the havering council Conservation area zone. Please if you can assist us..." - RM2, job posted 06/12/24

"Loft conversion for mid terrace house with heating, windows and enquire bathroom" - RM1, job posted 20/10/24

"Loft conversion" - ROMFORD, job posted 08/04/24

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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 - £26,232

Garden office - £10,232

Granny annexe - £87,232

Build a flat roof extension - £22,232

Convert a Garage - £16,232

Hip to gable loft conversion - £42,232

Convert a bungalow loft - £29,232

Build a dormer loft conversion - £42,232

Build a swimming pool - £81,232

Build a Mansard loft conversion - £52,232

Concrete foundations - £6,482

Underpin a building - £17,732

Two storey extension - £88,348

Convert a basement - £40,110

Side return extension - £44,110

Loft conversion - £35,925

Garage - £18,732

Single storey extension - £59,640

Outbuilding - £10,232

Install an RSJ - £2,432

Build a kitchen extension - £42,232

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