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Sean Smithers
Our building services company SDS Constructions has been established for many years and have been providing customers in Dagenham and the surroundi...
Vasile Boghean
Romford, RM1
Optimus Build Solutions delivers exceptional construction services in London and surronding areas. Specializing in bathroom and kitchen refurbishme...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Need an Extension Builder in Romford? Tony Rutter has been helping local clients (10 mile radius) with their extension buildering jobs for many yea...
Shaik Jamal
Welcome to RTC Plumbers! With over 15 years of experience, we offer a range of plumbing services from simple repairs to complex installations, each...
Need to find an Extension Builder near you for all your extension buildering work?
ESK Builders provides a local, trusted extension builder...
Relax... you have found a reliable extension builder in Romford. A Star Construction is a friendly and reliable company based in Romford who consid...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Q Boss D&B is an established extension buildering business in Romford. We come highly recommended and provide competitive quotes for your work.
...Need to find an Extension Builder near you for all your extension buildering work?
KERFIELD BUILDING SERVICES LTD provides a local, trusted...

Costs range from £87,124 (RTC Plumbers based in RM6) 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 - £17,735

Two storey extension - £88,353

Build a timber frame extension - £26,235

Build a swimming pool - £81,235

Single storey extension - £59,704

Side return extension - £44,146

Install an RSJ - £2,435

Outbuilding - £10,235

Build a Mansard loft conversion - £52,235

Loft conversion - £35,955

Build a kitchen extension - £42,235

Hip to gable loft conversion - £42,235

Granny annexe - £87,235

Garden office - £10,235

Convert a Garage - £16,235

Garage - £18,735

Build a flat roof extension - £22,235

Build a dormer loft conversion - £42,235

Concrete foundations - £6,485

Convert a bungalow loft - £29,235

Convert a basement - £40,146