Why people remove a chimney
Many homes around Taunton were built with two or three flues, and most of them haven't seen a fire in decades. A redundant stack still has to be maintained: mortar weathers, pots loosen and the flashing at its base ages along with it. When a stack needs major work anyway, some owners decide they'd rather lose it than rebuild it. Others want the floor space taken up by a chimney breast in a bedroom or kitchen.
Stack removal versus breast removal
These are two different jobs and it helps to know which you mean before getting quotes.
- Stack removal means taking the part above the roof down, usually to below the roofline, then closing the opening and roofing over it so it blends in.
- Breast removal means taking out the projecting brickwork inside the rooms. This is structural work, because whatever sits above the removed section has to be properly supported.
Some projects involve both. Removing the stack first and then the breast below avoids leaving unsupported brickwork in the loft.
Structure, support and building control
Removing all or part of a chimney breast usually counts as building work and will generally need building control approval. If any brickwork is left above the removed section, it needs suitable support, and the details of that support are normally designed or confirmed by a qualified person before work starts. Where the chimney is shared with an attached neighbour, party wall rules may also apply. We'll explain where these steps are likely to come in, but you should check the requirements for your property with your local building control service before committing.
How a stack is taken down
Safe access comes first, which usually means scaffolding around the stack. The pots and brickwork are then taken down by hand, course by course, and lowered rather than dropped so the roof below isn't damaged. Once the stack is below the roofline, the flue openings are capped, new rafters or noggins are added where needed to close the gap, and the roof is felted, battened and covered with tiles or slates to match the surrounding roof.
Making good afterwards
Inside, any flue left in place should still be ventilated to avoid trapped damp. Outside, the patch of new roof should sit flush with the old. Matching reclaimed or similar tiles is part of the job, and on an older roof that can take a bit of sourcing. Old lead flashings that served the stack are removed so there's nothing left to fail.
When repair makes more sense
Removal isn't always the best answer. If a chimney is sound apart from tired mortar or a failing flashing, putting those right is usually simpler, and keeps a feature that suits the house. Our chimney repairs page covers repointing, rebuilding and capping, and the chimney repointing cost guide explains what drives the price of that route. We'll give you an honest view of both options.
Arrange a visit
We work on homes and commercial buildings across Somerset and Devon, up to about 50 miles from our base near Taunton. Call 07399 680142 or request a free written quote. A photo of the chimney from the road and one of the breast inside help us prepare for the visit.