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T.I Building
Ballinderry, BT28
T.I Building is a trusted extension builder serving customers in Ballinderry and the surrounding area. Contact us to today to get a competitive quo...
"Loft conversion" - BT28, job posted 19/09/26
"Single storey extension" - BT11, job posted 03/08/26
Mount Oriel Conversions & Extensions
Need to find an Extension Builder near you for all your extension buildering work?
Mount Oriel Conversions & Extensions provides a local, t...
"Loft conversion" - BT28, job posted 28/05/26
£24/hr
£167/day
Belfast Loft Company
Trusted and professional extension builder in Ballinderry. Experienced in all extension buildering work and keeping within budget and on quote. Bel...
"Loft conversion" - BT28, job posted 02/02/26
"RSJ installation" - BT17, job posted 25/07/25
£26/hr
£173/day
Finch Construction NI
Relax... you have found a reliable extension builder in Ballinderry. Finch Construction NI is a friendly and reliable company based in Ballinderry ...
"Loft conversion" - DERRY, job posted 05/11/24
£21/hr
£147/day
Extended living by Gilbert-Ash
Trusted and professional extension builder in Ballinderry. Experienced in all extension buildering work and keeping within budget and on quote. Ext...
"Loft conversion to 3 bedroom semi" - BT17, job posted 14/02/24
£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 Ballinderry. No obligation free qu...
"Loft conversion with window stairs for bedrooms including shower and toilet" - BT17, job posted 05/11/23
£21/hr
£147/day
Glenn M Floyd Building & Joinery Contracts
Glenn M Floyd Building & Joinery Contracts is an established and experienced local extension builder in Ballinderry. Please contact us for a free, ...
"Loft conversion" - LISBURN, job posted 04/10/23
Compare Ballinderry extension builders rates
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Extension Builders near Lisburn | £24 | £164 |
| Extension Builders near Hillsborough and Culcavy | £25 | £170 |
| Extension Builders near Maghaberry | £31 | £205 |
| Extension Builders near Carryduff | £23 | £158 |
| Extension Builders near Crumlin | £26 | £194 |
| Extension Builders near Belfast | £23 | £161 |
| Extension Builders near Waringstown | £23 | £167 |
| Extension Builders near Saintfield | £23 | £162 |
| Extension Builders near Ballynahinch | £19 | £189 |
| Extension Builders near Holywood | £23 | £159 |
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 - £25,432
Garden office - £9,432
Granny annexe - £86,432
Build a flat roof extension - £21,432
Convert a Garage - £15,432
Hip to gable loft conversion - £41,432
Convert a bungalow loft - £28,432
Build a dormer loft conversion - £41,432
Build a swimming pool - £80,432
Build a Mansard loft conversion - £51,432
Concrete foundations - £5,682
Underpin a building - £16,932
Two storey extension - £87,148
Convert a basement - £31,110
Side return extension - £35,110
Loft conversion - £28,425
Garage - £17,932
Single storey extension - £43,640
Outbuilding - £9,432
Install an RSJ - £1,632
Build a kitchen extension - £41,432
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