County Tyrone
Building Regulations for rear extensions in County Tyrone
Construction drawings, structural calculations and building control through to the completion certificate. Across County Tyrone we handle the whole rear extension: survey, drawings, the planning route, building control and the build. Towns we cover here include Omagh, Strabane and Dungannon.

Semis and detached houses are typical of County Tyrone, and many have room for a rear extension within Northern Ireland's permitted development limits.
What does it cost in County Tyrone?
As a guide, £2,500–£5,500 including VAT. We put a fixed price in writing once the design is agreed, and explain any provisional sums such as foundations.
What approvals does it need in County Tyrone?
Northern Ireland's building regulations are administered by council building control teams, who approve the plans or a building notice and inspect the work through to completion.
Insulation and glazing follow Technical Booklet F1 in Northern Ireland, checked by council building control.
Conservation areas, Areas of Outstanding Natural Beauty and listed buildings restrict permitted development in Northern Ireland.
Where in County Tyrone do we work?
FAQ
Questions people ask
What is a completion certificate?
The document confirming the work meets the regulations. Keep it; buyers' solicitors ask for it.
Do I need regs if I don't need planning?
Yes.
What stages are inspected?
Typically foundations, damp proofing, drainage, steelwork, insulation and completion.
Do you cover all of County Tyrone?
We cover 6 towns and districts in County Tyrone, including Omagh, Strabane and Dungannon.
Who builds the extension?
Vetted building teams working under contract to us; your contract is with S&K Property Investments and Improvement Ltd.