Antrim at a glance
- Postcode districts
- BT41
- Population
- about 19,661 (GeoNames)
- Council area
- Antrim and Newtownabbey Borough Council
- Building approval
- Antrim and Newtownabbey Borough Council building control
- Nearest main town
- Belfast, about 14 miles
- Guide price region
- Northern Ireland (−12% on West Midlands rates)
What flat roof work do we do in Antrim?
Commercial flat roofing
A commercial re-roof in Antrim has to fit around customers, staff and deliveries. We agree working hours, skip positions and access routes before we start, keep fire exits clear throughout, and choose a flame-free system where your site does not allow hot works near stock or occupied rooms.
Flat roof repairs
In a place like Antrim, flat roofs usually sit over garages, rear extensions, dormers and bays, and they take the full force of the weather with little margin for error. A single failed lap or a cracked upstand is enough to let water into a kitchen, bedroom or hallway below.
Warm roof insulation upgrades
Converting a garage, loft space or outbuilding to a room in Antrim changes what the roof needs to do. Once the space is heated, the roof is expected to perform to a higher standard, and a warm build-up is usually the simplest way to get there.
All flat roof services in Antrim:
- EPDM rubber roofing
- Extension and kitchen roofs
- Green and sedum roofs
- Garage roofs
- Flats, HMOs and block roofs
- Liquid-applied roofing
- Dormer roofs
- Flat roof surveys and leak tracing
- Flat roof repairs
- Warm roof insulation upgrades
- GRP fibreglass roofing
- Commercial flat roofing
- Balconies and roof terraces
- Single-ply membrane roofing
- Emergency leak repairs
- Flat roof replacement
- Torch-on felt roofing
How much does a flat roof cost in Antrim?
Guide prices at Northern Ireland rates including VAT. New and replacement roofs get a fixed price after a free survey; repair prices are confirmed once we've found the problem.
| Job | Guide price inc VAT |
|---|---|
| Extension (20 m²), felt, new deck + insulation | £2,400–£4,100 |
| Upstand or flashing repair | £220–£570 |
| Single garage (18 m²), liquid-applied | £1,800–£2,850 |
| Dormer (8 m²), GRP, scaffold | £1,250–£2,350 |
| Emergency temporary weatherproofing visit | £160–£400 |
What flat roofs are typical in and around Antrim?
In a town like Antrim flat roofs are mostly on newer estates where the first extension roofs are now being replaced and 1960s and 1970s link-detached houses with flat-roofed garages and porches. Local weather shapes the specification. Northern Ireland averages roughly 1,150 mm of rain a year, spread over many wet days, so a roof that sheds water quickly to clear outlets lasts far longer than one that holds puddles. Approximate 1991–2020 regional averages based on Met Office data.
Who approves flat roof work in Antrim?
Where approval is needed it goes to Antrim and Newtownabbey Borough Council building control. In Northern Ireland, renovating or replacing a roof over a heated room usually means meeting Technical Booklet F1, and building control should be contacted before work starts. How the rules work.
Which places near Antrim do we cover?
- Ballyclare · 9 mi
- Ballymena · 10 mi
- Newtownabbey · 13 mi
- Belfast · 14 mi
- Lisburn · 15 mi
- Magherafelt · 16 mi
Flat roofing in Antrim: questions
Do you cover Antrim?
Yes, including postcode districts BT41. Send your postcode with your enquiry and we'll arrange a survey.
Do you also cover Ballyclare?
Yes. Ballyclare is about 9 miles from Antrim and we cover it too.
Do flat roofs in Antrim need building control approval?
Often, when a roof over a heated room is renovated or replaced, or the structure changes. In Antrim that's Antrim and Newtownabbey Borough Council building control, who should be contacted before work starts. We tell you at the survey and prepare the details it asks for.
How much is a new flat roof in Antrim?
A typical 18 m² EPDM garage roof is £1,400–£2,450 and a 20 m² insulated EPDM extension roof is £2,450–£4,300, at Northern Ireland guide rates including VAT.