From £31,110
We have over 25 years experience in all building work and renowned for good workmanship All jobs small and large taken on
From £31,830
Trusted and professional extension builder in Cargan. Experienced in all work and keeping within budget and on quote. purdy build have many happy ...
From £29,580
Been in business as 18 years alway put clients first and never had any combacks
From £25,980
Have worked in building industry for over 30 years contracts from government to private sector.
From £30,480
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of work in Cargan ...

Comparing extension builders estimates for a Convert a basement gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes for the cost to convert a basement in Cargan by posting a job with HaMuch and we will send it to extension builders in Cargan.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Convert A Basement near Ballyclare | £17 | £110 |
| Convert A Basement near Ballymoney | £18 | £163 |
| Convert A Basement near Magherafelt | £25 | £200 |
| Convert A Basement near Larne | £15 | £120 |
| Convert A Basement near Crumlin | £22 | £168 |
| Convert A Basement near Coleraine | £21 | £181 |
| Convert A Basement near Greenisland | £20 | £134 |
| Convert A Basement near Carrickfergus | £21 | £145 |
| Convert A Basement near Belfast | £20 | £137 |
| Convert A Basement near Holywood | £20 | £138 |
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 - £16,815

Two storey extension - £86,973

Build a timber frame extension - £25,315

Build a swimming pool - £80,315

Single storey extension - £41,304

Side return extension - £33,796

Install an RSJ - £1,515

Outbuilding - £9,315

Build a Mansard loft conversion - £51,315

Loft conversion - £27,330

Build a kitchen extension - £41,315

Hip to gable loft conversion - £41,315

Granny annexe - £86,315

Garden office - £9,315

Convert a Garage - £15,315

Garage - £17,815

Build a flat roof extension - £21,315

Build a dormer loft conversion - £41,315

Concrete foundations - £5,565

Convert a bungalow loft - £28,315

Convert a basement - £29,796