Trusted for over 30 years across Belfast, Bangor & Newtownards. 4.8★ rated with 110+ reviews. Fully insured. #1 on 3 Best Rated.
Call for Free Quote →Complete new roof installations using quality materials. Slate, tile, flat roofs — we handle it all.
Fast, effective repairs for leaks, storm damage, slipped tiles and general wear and tear.
Chimney repairs, repointing, lead flashing and complete chimney rebuilds.
Specialist slate and tile roofing for traditional and modern properties.
Modern flat roofing systems for extensions, garages and commercial buildings.
Gutter installation, repairs and traditional lead work for period properties.
Ranked the top roofing contractor in Belfast by 3 Best Rated — an independent recognition of our quality and reliability.
Three decades protecting Belfast homes and businesses. Our experience means we've seen and solved every roofing challenge.
Comprehensive public liability coverage for your complete peace of mind.
Proud sponsors of Olympia Leisure Centre and Clubroom Sport. We build stronger neighbourhoods, not just roofs.
"Honest advice, skilled workmanship, and results that last. Onslow fixed our leaking roof and it's been perfect ever since."
"Best roofing company in Belfast hands down. Professional from start to finish and very fairly priced."
"30 years of experience really shows. They knew exactly what the problem was and fixed it the same day."
Call us today — we're ready to help with any roofing project.
07916 018064Landline: 02890 200039
362 Woodstock Rd, Belfast BT6 9DQ