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A timber frame extension built in BT4 typically ranges from £25,368 (SM Plumbing & Heating based in BT7) to £25,368 (SM Plumbing & Heating based in BT7), 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 BT4 by posting a job with HaMuch and we'll send it to extension builders in BT4.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Build A Timber Frame Extension near Belfast | £23 | £161 |
| Build A Timber Frame Extension near Holywood | £23 | £159 |
| Build A Timber Frame Extension near Carryduff | £23 | £158 |
| Build A Timber Frame Extension near Comber | £22 | £160 |
| Build A Timber Frame Extension near Greenisland | £23 | £153 |
| Build A Timber Frame Extension near Ballygowan | £24 | £183 |
| Build A Timber Frame Extension near Bangor | £24 | £183 |
| Build A Timber Frame Extension near Bangor | £24 | £183 |
| Build A Timber Frame Extension near Carrickfergus | £23 | £158 |
| Build A Timber Frame Extension near Lisburn | £24 | £164 |
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 - £16,868

Two storey extension - £87,052

Build a timber frame extension - £25,368

Build a swimming pool - £80,368

Single storey extension - £42,360

Side return extension - £34,390

Install an RSJ - £1,568

Outbuilding - £9,368

Build a Mansard loft conversion - £51,368

Loft conversion - £27,825

Build a kitchen extension - £41,368

Hip to gable loft conversion - £41,368

Granny annexe - £86,368

Garden office - £9,368

Convert a Garage - £15,368

Garage - £17,868

Build a flat roof extension - £21,368

Build a dormer loft conversion - £41,368

Concrete foundations - £5,618

Convert a bungalow loft - £28,368

Convert a basement - £30,390