From £18,548
Experienced extension builder ready to quote for your work. J&J Building Solutions is the best extension builder in RM1. No obligation free quotes ...
1 review
From £18,692
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
From £18,524
Need the extension buildering job done quickly without breaking the bank? SH Enterprise offer fast, reliable, and affordable extension buildering s...
From £18,892
Need an Extension Builder in RM1? Samuele Paolini has been helping local clients (5 mile radius) with their extension buildering jobs for many yea...
From £18,652
I am a qualified, builder, electrician and plumber. I have been working in the construction industry for over 23 years and have built everything fr...
From £19,524
Buci builders ltd is a trusted extension builder serving customers in RM1 and the surrounding area. Contact us to today to get a competitive quote ...
From £18,812
Local Boiler Plumbing & Heating Services is an established and experienced local extension builder in RM1. Please contact us for a free, no obligat...
From £18,420
NISUP BUILDING SERVICES Company specializes in the domestic and commercial building industry :1. Refurbishm...
From £18,932
Krystian Wojasiewicz is a trusted extension builder serving customers in RM1 and the surrounding area. Contact us to today to get a competitive quo...
From £18,644
Experienced extension builder ready to quote for your work. Khetani Builders (UK) Ltd is the best extension builder in RM1. No obligation free quot...

Builders charge between £18,420 (Nisup Building Services based in HA8) and £19,524 (Buci builders ltd based in SE27) in RM1 to build a garage, but these costs are only estimates.
Comparing extension builders estimates for building a garage gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes.
Get real quotes to build a new garage in RM1 by posting a job with HaMuch and we will send it to extension builders in RM1.
| Borough in London |
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| Garage in Romford |
| Garage in Rush Green |
| Garage in Gidea Park |
| Garage in Collier Row |
| Garage in Emerson Park |
| Garage in Chadwell Heath |
| Garage in Hornchurch |
| Garage in Harold Hill |
| Garage in Dagenham |
| Garage in Becontree Heath |
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 - £17,764

Two storey extension - £88,396

Build a timber frame extension - £26,264

Build a swimming pool - £81,264

Single storey extension - £60,280

Side return extension - £44,470

Install an RSJ - £2,464

Outbuilding - £10,264

Build a Mansard loft conversion - £52,264

Loft conversion - £36,225

Build a kitchen extension - £42,264

Hip to gable loft conversion - £42,264

Granny annexe - £87,264

Garden office - £10,264

Convert a Garage - £16,264

Garage - £18,764

Build a flat roof extension - £22,264

Build a dormer loft conversion - £42,264

Concrete foundations - £6,514

Convert a bungalow loft - £29,264

Convert a basement - £40,470