1 review
From £6,442
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 £6,642
Need an Extension Builder in RM4? Samuele Paolini has been helping local clients (5 mile radius) with their extension buildering jobs for many yea...
From £6,402
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 £7,274
Buci builders ltd is a trusted extension builder serving customers in RM4 and the surrounding area. Contact us to today to get a competitive quote ...
From £6,562
Local Boiler Plumbing & Heating Services is an established and experienced local extension builder in RM4. Please contact us for a free, no obligat...
From £6,170
NISUP BUILDING SERVICES Company specializes in the domestic and commercial building industry :1. Refurbishm...
From £6,682
Krystian Wojasiewicz is a trusted extension builder serving customers in RM4 and the surrounding area. Contact us to today to get a competitive quo...
From £6,682
Platinum Electrics is a Branch off Platinum Premier Projects who deal in all types of construction projects. Platinum Electrics are based in London...
From £6,394
Experienced extension builder ready to quote for your work. Khetani Builders (UK) Ltd is the best extension builder in RM4. No obligation free quot...
From £6,154
V.S.P is a trusted extension builder serving customers in RM4 and the surrounding area. Contact us to today to get a competitive quote for extensio...

Concrete foundations range from the £6,154 (V.S.P based in NW10) to £7,274 (Buci builders ltd based in SE27) in RM4.
Comparing extension builders estimates for laying concrete foundations gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes.
Find out the exact cost of laying concrete foundations in RM4 by posting a job with HaMuch. We will send it to extension builders who can give you a detailed quote.
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 - £17,790

Two storey extension - £88,436

Build a timber frame extension - £26,290

Build a swimming pool - £81,290

Single storey extension - £60,808

Side return extension - £44,767

Install an RSJ - £2,490

Outbuilding - £10,290

Build a Mansard loft conversion - £52,290

Loft conversion - £36,473

Build a kitchen extension - £42,290

Hip to gable loft conversion - £42,290

Granny annexe - £87,290

Garden office - £10,290

Convert a Garage - £16,290

Garage - £18,790

Build a flat roof extension - £22,290

Build a dormer loft conversion - £42,290

Concrete foundations - £6,540

Convert a bungalow loft - £29,290

Convert a basement - £40,767