Add an outbuilding to your property in BT80 from £9,296

Outbuildings are the perfect way to add extra space to your property when you need a bit of quiet from the main house. Whether it's for a garden office, gym or workshop, an outbuilding can add value to your home and increase your quality of life.

Outbuilding cost in BT80 - Sort by rates or availability

From £10,016
Get quotes

GMC Construction

(last active 30/09/26)

Need to find an Extension Builder near you for all your extension buildering work?

GMC Construction provides a local, trusted extension bui...

From £9,432
Get quotes

C McGurk Building Contractor

(last active 05/09/26)

We have over 25 years experience in all building work and renowned for good workmanship   All jobs small and large taken on 

From £9,904
Get quotes

FJS CONTRACTS LTD

(last active 05/09/26)

FJS CONTRACTS LTD are here to help customers who need an Extension Builder in BT80. We offer a competitive rate to complete all your extension buil...

From £10,016
Get quotes

Seamus Mcmullan building and joinery

(last active 30/08/26)

Seamus Mcmullan building and joinery is an established extension buildering business in BT80. We come highly recommended and provide competitive qu...

From £9,296
Get quotes

Oakmore Contracts

(last active 06/05/26)

Been in business as 18 years alway put clients first and never had any combacks 

From £9,784
Get quotes

JP&S Construction Ltd

JP&S Construction Ltd is an established extension buildering business in BT80. We come highly recommended and provide competitive quotes for your w...

From £9,536
Get quotes

Terry Design

Experienced extension builder ready to quote for your work. Terry Design is the best extension builder in BT80. No obligation free quotes and many ...

Outbuilding cost in BT80

Estimates for outbuilding near BT80

Outbuilding costs in BT80 range from the cheapest of £9,296 (Oakmore Contracts based in BT45) to the dearest of £10,016 (GMC Construction based in BT70), but these are just estimates.

Comparing extension builders estimates for building an outbuilding 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 an outbuilding in BT80 by posting a job with HaMuch and we will send it to extension builders.


Get extension builder rates instantly

Get extension builder rates instantly (excluding VAT or callout charges)
Location in UKHourly RateDaily Rate
Outbuilding near Coalisland£27£223
Outbuilding near Magherafelt£30£238
Outbuilding near Dungannon£30£238
Outbuilding near Craigavon£23£181
Outbuilding near Dungiven£22£190
Outbuilding near Crumlin£26£194
Outbuilding near Waringstown£23£167
Outbuilding near Maghaberry£31£205
Outbuilding near Coleraine£23£201
Outbuilding near Hillsborough and Culcavy£25£170

Estimates for common extension builder jobs in BT80;

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.

More extensions & conversions cost guides...