From £18,548
Experienced extension builder ready to quote for your work. J&J Building Solutions is the best extension builder in RM5. 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 £18,892
Need an Extension Builder in RM5? 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 £18,804
Hi we have 15 years of experience in building and construction industry our specialization is bathrooms and renovations please have a look at the w...
From £19,524
Buci builders ltd is a trusted extension builder serving customers in RM5 and the surrounding area. Contact us to today to get a competitive quote ...
From £18,924
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £18,812
Local Boiler Plumbing & Heating Services is an established and experienced local extension builder in RM5. 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 RM5 and the surrounding area. Contact us to today to get a competitive quo...

Builders charge between £18,420 (Nisup Building Services based in HA8) and £19,524 (Buci builders ltd based in SE27) in RM5 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 RM5 by posting a job with HaMuch and we will send it to extension builders in RM5.
| Borough in London |
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| Garage in Collier Row |
| Garage in Romford |
| Garage in Rush Green |
| Garage in Gidea Park |
| Garage in Chadwell Heath |
| Garage in Stapleford Abbotts |
| Garage in Harold Hill |
| Garage in Emerson Park |
| Garage in Becontree Heath |
| Garage in Hainault |
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 - £17,820

Two storey extension - £88,480

Build a timber frame extension - £26,320

Build a swimming pool - £81,320

Single storey extension - £61,400

Side return extension - £45,100

Install an RSJ - £2,520

Outbuilding - £10,320

Build a Mansard loft conversion - £52,320

Loft conversion - £36,750

Build a kitchen extension - £42,320

Hip to gable loft conversion - £42,320

Granny annexe - £87,320

Garden office - £10,320

Convert a Garage - £16,320

Garage - £18,820

Build a flat roof extension - £22,320

Build a dormer loft conversion - £42,320

Concrete foundations - £6,570

Convert a bungalow loft - £29,320

Convert a basement - £41,100