County Londonderry
Roof lanterns and rooflights for rear extensions in County Londonderry
Lanterns, flat rooflights and walk-on glass that bring light deep into the plan. Across County Londonderry we handle the whole rear extension: survey, drawings, the planning route, building control and the build. Towns we cover here include Derry~Londonderry, Coleraine and Limavady.
Rear extensions in County Londonderry gain most from a rooflight placed against the old back wall, where the room would otherwise be darkest. County Londonderry has terraces near the centre, semis on the edges and many detached houses and bungalows in the surrounding countryside, where plots are often generous.
What does it cost in County Londonderry?
As a guide, £2,200–£4,500 including VAT. Ground conditions, glazing, the roof and how far the house is opened up move the final figure within the range.
What approvals does it need in County Londonderry?
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 Londonderry do we work?
FAQ
Questions people ask
Lantern or flat rooflight?
A lantern gives height and a feature; a flat rooflight is cleaner and lower-profile.
Can a rooflight open?
Yes, manually or electrically, with rain sensors.
Will it leak?
Not when fitted on a proper upstand with the membrane dressed up it.
Do you cover all of County Londonderry?
We cover 5 towns and districts in County Londonderry, including Derry~Londonderry, Coleraine and Limavady.
Who builds the extension?
Vetted building teams working under contract to us; your contract is with S&K Property Investments and Improvement Ltd.