A chimney that is leaning, has severe spalling brickwork or has collapsed mortar joints above the roofline needs rebuilding rather than patching. We rebuild chimneys from the roof upward across Ely, using matching brickwork and properly installed lead flashings and a new DPC. All work complies with current building standards.
Image: local chimney rebuilds
Chimney stacks take some of the worst weather punishment of any part of a building — exposed above the roofline, freeze-thaw cycles over winter crack mortar and open up the masonry joints. In Ely, where the fenland winds come in hard from the east, chimneys on the exposed north and east elevations can deteriorate surprisingly quickly. When a stack is leaning noticeably, when bricks are spalling or have shifted, or when the core masonry has become hollow and unstable, repointing alone isn't enough — the stack needs to come down to a sound course and be rebuilt.
We scaffold the chimney, take it down brick by brick to a sound, stable base — usually at or just below the roof level flashings — then rebuild it using either reclaimed bricks to match the originals or new bricks that are a close match in colour and texture. A new damp-proof course is installed at the base of the rebuild, and all flashings are replaced with correctly dressed lead. The pot and flaunching (the mortar weathering cap around the pots) are also replaced as part of a full rebuild.
Using a scaffolded, properly equipped team matters here. Chimney work is at height and involves dislodging heavy masonry — it's not a job where cutting corners on access or fixing is safe. We don't use cherry pickers as a substitute for scaffold on rebuild work, as the stability and working platform aren't adequate for the volume of material being moved.
Most chimney rebuilds on a standard Ely terraced or semi-detached house take two to three days, including scaffold erection and strike. We match brickwork as closely as possible and tidy the site fully on completion.
A standard chimney rebuild in Ely from roof level typically costs between £1,500 and £3,500, depending on the stack height, brick matching complexity and extent of the rebuild.
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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