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T.I Building
T.I Building is a trusted extension builder serving customers in Randalstown and the surrounding area. Contact us to today to get a competitive quo...
"Single storey extension" - ANTRIM, job posted 29/02/24
C McGurk Building Contractor
Chris Mc gurk
We have over 25 years experience in all building work and renowned for good workmanship All jobs small and large taken on
FJS CONTRACTS LTD
Fjs Contracts
FJS CONTRACTS LTD are here to help customers who need an Extension Builder in Randalstown. We offer a competitive rate to complete all your extensi...
Seamus Mcmullan building and joinery
Seamus Mc mullan
Seamus Mcmullan building and joinery is an established extension buildering business in Randalstown. We come highly recommended and provide competi...
SM Plumbing & Heating
Relax... you have found a reliable extension builder in Randalstown. SM Plumbing & Heating is a friendly and reliable company based in Randalstown ...
Oakmore Contracts
Ronnie Scott
Been in business as 18 years alway put clients first and never had any combacks
£24/hr
£167/day
Belfast Loft Company
Trusted and professional extension builder in Randalstown. Experienced in all extension buildering work and keeping within budget and on quote. Bel...
£24/hr
£162/day
Ballantine building solutions
Ballantine building solutions is an established extension buildering business in Randalstown. We come highly recommended and provide competitive qu...
£22/hr
£151/day
Three Homes Limited
Experienced extension builder ready to quote for your work. Three Homes Limited is the best extension builder in Randalstown. No obligation free qu...
£25/hr
£172/day
LM Design & Build
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
£25/hr
£173/day
Designco Ltd
Designco Ltd is an established extension buildering business in Randalstown. We come highly recommended and provide competitive quotes for your wor...
£23/hr
£158/day
DGA
Trusted and professional extension builder in Randalstown. Experienced in all extension buildering work and keeping within budget and on quote. DGA...
£21/hr
£147/day
Extended living by Gilbert-Ash
Trusted and professional extension builder in Randalstown. Experienced in all extension buildering work and keeping within budget and on quote. Ext...
£26/hr
£173/day
Finch Construction NI
Relax... you have found a reliable extension builder in Randalstown. Finch Construction NI is a friendly and reliable company based in Randalstown ...
Compare Randalstown extension builders rates
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Extension Builders near Crumlin | £26 | £194 |
| Extension Builders near Ballyclare | £20 | £124 |
| Extension Builders near Magherafelt | £30 | £238 |
| Extension Builders near Maghaberry | £31 | £205 |
| Extension Builders near Greenisland | £23 | £153 |
| Extension Builders near Belfast | £23 | £161 |
| Extension Builders near Lisburn | £24 | £164 |
| Extension Builders near Carrickfergus | £23 | £158 |
| Extension Builders near Hillsborough and Culcavy | £25 | £170 |
| Extension Builders near Coalisland | £27 | £223 |
Job estimates from extension builders near you
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.

Build a timber frame extension - £25,496

Garden office - £9,496

Granny annexe - £86,496

Build a flat roof extension - £21,496

Convert a Garage - £15,496

Hip to gable loft conversion - £41,496

Convert a bungalow loft - £28,496

Build a dormer loft conversion - £41,496

Build a swimming pool - £80,496

Build a Mansard loft conversion - £51,496

Concrete foundations - £5,746

Underpin a building - £16,996

Two storey extension - £87,244

Convert a basement - £31,830

Side return extension - £35,830

Loft conversion - £29,025

Garage - £17,996

Single storey extension - £44,920

Outbuilding - £9,496

Install an RSJ - £1,696

Build a kitchen extension - £41,496
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