Lancaster Flagstone Brick & Concrete
- Foundation
- Timeline
- Team
24 contractors listed · 21 in London · 2 open 24/7 · 16 open weekends · 15 rated 4.5+
Data verified October 18, 2026
Listed for homeowners in and around London, ON, these 24 contractors lay and repair brick, block and stone. Chimneys, parging and pointing that has lost a hard winter are the usual calls. Each listing reflects what the contractor publishes itself, with ratings drawn from public reviews.

21 of the 24 contractors we list are based in London; the other 3 serve London from Ilderton (19 km), Aylmer (26 km) and Markham (189 km). 23 of the contractors on this page have a rating, from 3.9 to 5.0 across 323 reviews; 15 are rated 4.5 or higher. When customers rate these contractors on specific qualities, they most often praise professionalism (94%), quality (88%) and value (83%). The topics that come up most in reviews of the contractors on this page are "communication" and "cleanliness". 2 are open around the clock; 16 are open on Saturdays and 9 on Sundays. 1 shows a licence on its website and 1 lists staff certifications (IICRC). 10 have ten or more years of experience, the longest 23 years. 2 offer emergency call-outs; 8 give free estimates and 2 are family- or locally-owned. We have a website on file for 19 of the contractors on this page; 19 publish a contact page and 17 list a public email. We count these figures across the contractors on this page; distances are straight-line, and hours and prices change, so confirm the details with the contractor before you book.
Websites are linked from 19 of the 24 masonry listings shown here. Look past the finished house shots for close work: a repointed panel next to original mortar, a rebuilt stack, a parged wall. Detail photos tell you more about a mason than any page of text does.