From £25,792
T Porter Buiding is an established and experienced local extension builder in Grangetown. Please contact us for a free, no obligation quote and com...
From £25,632
Relax... you have found a reliable extension builder in Grangetown. Charles Marshall Contracting Ltd is a friendly and reliable company based in Gr...
From £25,200
Very reliable honest and hard working guarantee all work clean and tidy first class work
From £25,760
Sharif General Builder is an established and experienced local extension builder in Grangetown. Please contact us for a free, no obligation quote a...
From £26,736
An experienced quality tradesman who is a member of the federation of master builders.
Any projects will be undertaken safely, professio...
From £25,840
MOORLAND DESIGN & BUILD LTD are here to help customers who need an Extension Builder in Grangetown. We offer a competitive rate to complete all you...
From £25,728
Neil Causon & Son is an established and experienced local extension builder in Grangetown. Please contact us for a free, no obligation quote and co...
From £25,760
Construction Jobs is an established and experienced local extension builder in Grangetown. Please contact us for a free, no obligation quote and co...
From £25,816
Eric J Ivins is a trusted extension builder serving customers in Grangetown and the surrounding area. Contact us to today to get a competitive quot...
From £25,200
35 years in the trade and there is not much we haven't come across or done from pools to extensions and we specialise in loft conversions

A timber frame extension built in Grangetown typically ranges from £25,200 (A.Gaddarn Builders based in NP11) to £26,736 (WMP Builders based in TA9), but this will vary depending on the size of your extension, the design features you'd like and what your soil is like for the foundations.
Comparing extension builders estimates for building a timber frame extension 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 build a timber frame extension in Grangetown by posting a job with HaMuch and we'll send it to extension builders in Grangetown.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Timber Frame Extension near Cardiff | £34 | £219 |
| Build A Timber Frame Extension near Penarth | £35 | £218 |
| Build A Timber Frame Extension near Barry | £33 | £218 |
| Build A Timber Frame Extension near Caerphilly | £33 | £208 |
| Build A Timber Frame Extension near Church Village | £34 | £214 |
| Build A Timber Frame Extension near Risca | £32 | £218 |
| Build A Timber Frame Extension near Pontypridd | £33 | £211 |
| Build A Timber Frame Extension near Newport | £41 | £233 |
| Build A Timber Frame Extension near Vale of Glamorgan | £29 | £217 |
| Build A Timber Frame Extension near Weston-super-Mare | £33 | £253 |
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 - £17,246

Two storey extension - £87,620

Build a timber frame extension - £25,746

Build a swimming pool - £80,746

Single storey extension - £49,928

Side return extension - £38,647

Install an RSJ - £1,946

Outbuilding - £9,746

Build a Mansard loft conversion - £51,746

Loft conversion - £31,373

Build a kitchen extension - £41,746

Hip to gable loft conversion - £41,746

Granny annexe - £86,746

Garden office - £9,746

Convert a Garage - £15,746

Garage - £18,246

Build a flat roof extension - £21,746

Build a dormer loft conversion - £41,746

Concrete foundations - £5,996

Convert a bungalow loft - £28,746

Convert a basement - £34,647