From £2,424
Relax... you have found a reliable extension builder in Gidea Park. A Star Construction is a friendly and reliable company based in Gidea Park who ...
From £2,248
Need to find an Extension Builder near you for all your extension buildering work?
KERFIELD BUILDING SERVICES LTD provides a local, trusted...
From £2,096
Trusted and professional extension builder in Gidea Park. Experienced in all extension buildering work and keeping within budget and on quote. Chri...
From £3,432
Optimus Build Solutions delivers exceptional construction services in London and surronding areas. Specializing in bathroom and kitchen refurbishme...
From £2,440
Q Boss D&B is an established extension buildering business in Gidea Park. We come highly recommended and provide competitive quotes for your work.<...
From £2,176
ARMOUR BUILDING & REFURBS is a trusted extension builder serving customers in Gidea Park and the surrounding area. Contact us to today to get a com...
From £2,584
Prendi Construction Ltd is an established and experienced local extension builder in Gidea Park. Please contact us for a free, no obligation quote ...
From £2,152
SS Home Builders is a trusted extension builder serving customers in Gidea Park and the surrounding area. Contact us to today to get a competitive ...
From £2,448
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £2,224
Phull Design & Build Ltd are here to help customers who need an Extension Builder in Gidea Park. We offer a competitive rate to complete all your e...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Gidea Park it ranges from £2,096 (Chris Adams Pebbledashing based in RM11) to £3,432 (Optimus Build Solutions based in Rm1).
Comparing extension builders estimates for fitting an RSJ gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
Get rates and quotes to install an RSJ in Gidea Park by posting a job with HaMuch and we will send it to extension builders in Gidea Park.
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 - £17,722

Two storey extension - £88,334

Build a timber frame extension - £26,222

Build a swimming pool - £81,222

Single storey extension - £59,448

Side return extension - £44,002

Install an RSJ - £2,422

Outbuilding - £10,222

Build a Mansard loft conversion - £52,222

Loft conversion - £35,835

Build a kitchen extension - £42,222

Hip to gable loft conversion - £42,222

Granny annexe - £87,222

Garden office - £10,222

Convert a Garage - £16,222

Garage - £18,722

Build a flat roof extension - £22,222

Build a dormer loft conversion - £42,222

Concrete foundations - £6,472

Convert a bungalow loft - £29,222

Convert a basement - £40,002