From £89,848
Optimus Build Solutions delivers exceptional construction services in London and surronding areas. Specializing in bathroom and kitchen refurbishme...
From £88,360
Romford Essex, RM1
Q Boss D&B is an established extension buildering business in Romford. We come highly recommended and provide competitive quotes for your work.
...From £87,928
SS Home Builders is a trusted extension builder serving customers in Romford and the surrounding area. Contact us to today to get a competitive quo...
From £88,576
Romford, RM1
Prendi Construction Ltd is an established and experienced local extension builder in Romford. Please contact us for a free, no obligation quote and...
From £88,216
J Mchayle & Sons are here to help customers who need an Extension Builder in Romford. We offer a competitive rate to complete all your extension bu...
From £88,540
Experienced extension builder ready to quote for your work. CPD Limited is the best extension builder in Romford. No obligation free quotes and man...
From £88,336
Relax... you have found a reliable extension builder in Romford. A Star Construction is a friendly and reliable company based in Romford who consid...
From £88,120
Trusted and professional extension builder in Romford. Experienced in all extension buildering work and keeping within budget and on quote. Emona h...
From £87,976
P & M Builders are here to help customers who need an Extension Builder in Romford. We offer a competitive rate to complete all your extension buil...
From £88,120
S A BUILDERS & CONTRACTORS LTD is a trusted extension builder serving customers in Romford and the surrounding area. Contact us to today to get a c...

Costs range from £87,928 (SS Home Builders based in RM1) to £89,848 (Optimus Build Solutions based in Rm1), but these are just estimates. The best way to compare costs is to get real quotes from real builders.
Post your job on HaMuch and we'll send it to extension builders to Romford.
"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 12/06/24
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 - £17,768

Two storey extension - £88,402

Build a timber frame extension - £26,268

Build a swimming pool - £81,268

Single storey extension - £60,360

Side return extension - £44,515

Install an RSJ - £2,468

Outbuilding - £10,268

Build a Mansard loft conversion - £52,268

Loft conversion - £36,263

Build a kitchen extension - £42,268

Hip to gable loft conversion - £42,268

Granny annexe - £87,268

Garden office - £10,268

Convert a Garage - £16,268

Garage - £18,768

Build a flat roof extension - £22,268

Build a dormer loft conversion - £42,268

Concrete foundations - £6,518

Convert a bungalow loft - £29,268

Convert a basement - £40,515