A chimney stack in poor condition is a serious hazard — loose brickwork, failed flaunching, and cracked pots can all lead to falling masonry or water ingress into the roof and walls. We rebuild chimney stacks from the roofline up, including repointing, new flaunching, pot replacement, and lead flashing.
Image: local chimney rebuilds
Chimney stacks on older Haverhill properties take a significant amount of weathering. They sit above the roofline fully exposed to wind, rain, and frost, and the masonry is often repointed less frequently than the rest of the house. Over time, brickwork can become spalled and crumbly, the flaunching — the mortar that holds the pots in place — cracks and falls away, and the stack as a whole can begin to lean. A leaning or structurally weak chimney is a genuine safety risk, particularly on a property with a bedroom directly below.
A chimney rebuild typically involves erecting a scaffold tower or platform to give safe access above the roofline, carefully dismantling the stack to a sound course of brickwork, and rebuilding using matching bricks where possible and a lime or hydraulic lime mortar suited to the original construction. We refit or replace chimney pots, apply new flaunching, and re-dress the lead flashing at the base. Where the chimney serves a working fireplace or log burner, we coordinate with the homeowner on any liner work required.
Working at height on a chimney stack without correct scaffolding or a properly rated tower is one of the most dangerous things a roofer can attempt. The risk is not just to the operative — loose masonry dislodged during the work can fall through the roof covering or injure someone below. We always scaffold correctly and price for it from the outset.
We survey the stack thoroughly before quoting, advise on whether a full or partial rebuild is needed, and agree a fixed price in writing. Most single-stack rebuilds on a standard two-storey house take two to three days. All rebuild work is guaranteed for ten years.
A full chimney stack rebuild in Haverhill, including scaffold, materials, and lead flashing, typically costs between £1,500 and £3,500 depending on the height, stack size, and extent of masonry damage.
No obligation · We usually respond within 2 hours
Storm damage, active leak, damaged ridge — we aim to be on-site within 24 hours.
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