Name: Extension Builder
Brand: HaMuch
SKU: extension-renovation
Rating: 4.71 (7 reviews)

Find affordable Romford extension builders now

Extension builders rates in Romford range from £38/hour £237/day (SS Home Builders) to £67/hour £404/day (PHOENIX DEVELOPMNTS LONDON LTD). 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

"Swimming pool" - EMERSON PARK, job posted 30/04/25

"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" - RM3, job posted 01/12/24

"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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Local Extension Builders in London Boroughs

Local Extension Builders in London Boroughs
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Extension Builders in Romford
Extension Builders in Rush Green
Extension Builders in Gidea Park
Extension Builders in Collier Row
Extension Builders in Emerson Park
Extension Builders in Chadwell Heath
Extension Builders in Hornchurch
Extension Builders in Harold Hill
Extension Builders in Dagenham
Extension Builders in Becontree Heath

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 - £26,248

Garden office - £10,248

Granny annexe - £87,248

Build a flat roof extension - £22,248

Convert a Garage - £16,248

Hip to gable loft conversion - £42,248

Convert a bungalow loft - £29,248

Build a dormer loft conversion - £42,248

Build a swimming pool - £81,248

Build a Mansard loft conversion - £52,248

Concrete foundations - £6,498

Underpin a building - £17,748

Two storey extension - £88,372

Convert a basement - £40,290

Side return extension - £44,290

Loft conversion - £36,075

Garage - £18,748

Single storey extension - £59,960

Outbuilding - £10,248

Install an RSJ - £2,448

Build a kitchen extension - £42,248

More extensions & conversions cost guides...

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