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Select your affordable Mold extension builder
AJ Solutions is an established extension buildering business in Mold. We come highly recommended and provide competitive quotes for your work.
...Need an Extension Builder in Mold? P WALKER JOINERY & BUILDING has been helping local clients (20 mile radius) with their extension buildering jobs...
Experienced extension builder ready to quote for your work. Guest & Roberts is the best extension builder in Mold. No obligation free quotes and ma...
Relax... you have found a reliable extension builder in Mold. David Williams General Builder & Maintenance is a friendly and reliable company based...
From £2,128
Trusted and professional extension builder in Mold. Experienced in all extension buildering work and keeping within budget and on quote. K C MASSEY...
From £2,072
Need to find an Extension Builder near you for all your extension buildering work?
A M F BUILDING SERVICES provides a local, trusted extens...
From £1,864
Relax... you have found a reliable extension builder in Mold. K Phillips Building & Maintenance is a friendly and reliable company based in Mold wh...
From £2,216
Experienced extension builder ready to quote for your work. READ CONSTRUCTION HOLDINGS LTD is the best extension builder in Mold. No obligation fre...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Mold it ranges from £1,848 (P WALKER JOINERY & BUILDING based in CH5) to £2,784 (David Williams General Builder & Maintenance based in LL11).
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 Mold by posting a job with HaMuch and we will send it to extension builders in Mold.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Flintshire | £33 | £224 |
| Install An RSJ near Hawarden | £33 | £228 |
| Install An RSJ near Connah's Quay | £33 | £229 |
| Install An RSJ near Vale Royal | £35 | £251 |
| Install An RSJ near Wrexham | £34 | £263 |
| Install An RSJ near Chester | £32 | £220 |
| Install An RSJ near Wrexham Maelor | £34 | £261 |
| Install An RSJ near Heswall | £30 | £213 |
| Install An RSJ near Ellesmere Port | £31 | £214 |
| Install An RSJ near Bebington | £31 | £222 |
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 - £17,477

Two storey extension - £87,966

Build a timber frame extension - £25,977

Build a swimming pool - £80,977

Single storey extension - £54,540

Side return extension - £41,241

Install an RSJ - £2,177

Outbuilding - £9,977

Build a Mansard loft conversion - £51,977

Loft conversion - £33,534

Build a kitchen extension - £41,977

Hip to gable loft conversion - £41,977

Granny annexe - £86,977

Garden office - £9,977

Convert a Garage - £15,977

Garage - £18,477

Build a flat roof extension - £21,977

Build a dormer loft conversion - £41,977

Concrete foundations - £6,227

Convert a bungalow loft - £28,977

Convert a basement - £37,241