Where stack meets roof
The joint between brick and tiles is where water gets in, so it gets lead flashing dressed in.
Chimney repairs
Stacks repointed, rebuilt, or lowered and capped when no longer used.
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What people ask for
On a flat roof
Stacks on a flat roof are flashed into the new felt when the roof is redone.
Chimney stack lowered and capped as not in usePro Build, job notes, 2 October 2026
Materials and options
Was recommended by my brother great guy very professional re pointed my ridge tiles and chimney highly recommend thanks Kane
What moves the price
Access is most of it: scaffold round the stack. Then whether it needs repointing, rebuilding from the roofline, or taking down and capping.
How we price a job, in full
Most of the cost of a chimney job is getting to it safely, so the scaffold round the stack is a big share of a small repair, and it is the same scaffold whether the job is repointing or rebuilding. After that, it depends on what the brickwork is like once someone is up close. Mortar that has washed out of the joints can be raked and repointed; bricks that have spalled or a stack that has started to lean usually need rebuilding from the roofline up. A chimney that is no longer used can be lowered and capped, which removes the weight and the risk, and we did exactly that on a job in October. Lead flashing where the stack meets the roof is often what has failed when water shows inside, and it is replaced at the same time. The old brick and rubble come down and leave the site. A photo of the stack from the ground or a window helps us see what we are pricing, and quotes are free.
Questions
Do I need planning permission to replace my roof?
Re-roofing a house usually does not need planning permission if it does not materially change how the outside of the house looks.
Source: Roof - Planning Permission, Planning Portal (PortalPlanQuest Ltd, joint venture of TerraQuest and MHCLG)
More about chimney repairs
We repair chimneys: stacks repointed, rebuilt from the roofline, lowered and capped when no longer used, and lead flashing renewed where the stack meets the roof. Send the form with a photo of the stack.
