From £29,580
For all your needs. If you need to convert a basement contact us today to get a no obligation free quote.
From £30,570
For all your needs. If you need to convert a basement contact us today to get a no obligation free quote.
From £30,210
A service with a difference. Priced competitively to convert a basement and more.
From £28,590
A friendly extension builder in Crawfordsburn. Happy to provide references and a free quote to convert a basement.
From £30,390
You want to convert a basement? No problem, an Extension Builder is a reliable extension builder with years of experience helping homeowners.
...From £29,850
If you need to convert a basement use an Extension Builder. Work is guarenteed and the cost won't hurt the pocket.
From £29,310
If you need to convert a basement use an Extension Builder. Work is guarenteed and the cost won't hurt the pocket.
From £27,780
A service with a difference. Priced competitively to convert a basement and more.
From £30,030
A friendly extension builder in Crawfordsburn. Happy to provide references and a free quote to convert a basement.
From £25,980
Have worked in building industry for over 30 years contracts from government to private sector.
From £29,760
For all your needs. If you need to convert a basement contact us today to get a no obligation free quote.
From £30,570
You want to convert a basement? No problem, an Extension Builder is a reliable extension builder with years of experience helping homeowners.
...From £30,750
If you need to convert a basement use an Extension Builder. Work is guarenteed and the cost won't hurt the pocket.

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 Crawfordsburn by posting a job with HaMuch and we will send it to extension builders in Crawfordsburn.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Convert A Basement near Bangor | £20 | £150 |
| Convert A Basement near Bangor | £20 | £150 |
| Convert A Basement near Holywood | £20 | £138 |
| Convert A Basement near Ballygowan | £20 | £150 |
| Convert A Basement near Carrickfergus | £21 | £145 |
| Convert A Basement near Comber | £20 | £142 |
| Convert A Basement near Greenisland | £20 | £134 |
| Convert A Basement near Belfast | £20 | £137 |
| Convert A Basement near Carryduff | £20 | £136 |
| Convert A Basement near Larne | £15 | £120 |
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 - £16,798

Two storey extension - £86,947

Build a timber frame extension - £25,298

Build a swimming pool - £80,298

Single storey extension - £40,962

Side return extension - £33,604

Install an RSJ - £1,498

Outbuilding - £9,298

Build a Mansard loft conversion - £51,298

Loft conversion - £27,170

Build a kitchen extension - £41,298

Hip to gable loft conversion - £41,298

Granny annexe - £86,298

Garden office - £9,298

Convert a Garage - £15,298

Garage - £17,798

Build a flat roof extension - £21,298

Build a dormer loft conversion - £41,298

Concrete foundations - £5,548

Convert a bungalow loft - £28,298

Convert a basement - £29,604