Chimney Breast Removal in Liverpool

What does chimney breast removal involve?

A chimney breast is the projecting brickwork in a room that contains the flue. In most houses the breasts are stacked one above the other from the ground floor to the roof, each carrying the weight of the ones above and the stack on top. Take one out without support and that weight is left hanging, held up only by the bond with the party wall. That is how dangerous, unsupported chimneys end up in older terraces, sometimes discovered years later when a stack starts to drop or crack.

There are broadly two approaches. A full removal takes out all the breasts and the stack, from the ground floor to the roof, so nothing is left to support; the roof is then made good over the gap. A partial removal takes out one or more lower breasts and keeps the upper breast and/or stack, which must then be supported on engineer-designed steel beams or other approved support bearing onto suitable walls. Either way it is a job for a professional chimney repair and removal team, not a weekend project.

Building control, engineers and the Party Wall Act

• Building RegulationsRemoving a chimney breast is a structural alteration, so building control approval is needed. They will want to see how the remaining structure is supported and will inspect the work.
• Structural engineerWhere anything is left above, a structural engineer designs the support: typically steel beams or gallows brackets, with details of where loads go and what they bear on.
• Party Wall etc. Act 1996Chimney breasts usually sit on or against the party wall. Cutting into a party wall or a shared chimney is likely to fall under the Act, so notices to your neighbour may be needed.
• Neighbour’s flueOn many terraces, the neighbour’s flues run through the same stack. You cannot remove or block anything their flue relies on without agreement.
• PlanningInternal breast removal does not usually need planning permission, but removing a stack on a listed building or in a conservation area may. Check with the council.
• Mortgage and saleWhen you sell, buyers’ solicitors often ask for building control sign-off for breast removal. Keep the paperwork.

Signs a past removal may not be supported

Many Liverpool terraces have had breasts taken out over the decades, not all of them properly. Warning signs include cracks in the ceiling or walls where the breast used to be, a stack on the roof that has started to lean or sag, brickwork hanging in the loft with nothing beneath it, or a missing breast on a lower floor while the one above is still there. If you are buying a house where breasts have gone, it is worth asking for the building control completion certificate.

How a chimney breast removal is carried out

1. Initial call. We ask which breasts you want removed, whether the chimney is shared, whether any flues are in use and whether the house is listed or in a conservation area.
2. Survey. We look at the breasts on each floor, the loft and the stack, and check how the flues connect with your neighbour’s.
3. Engineer and approvals. Where support is needed, a structural engineer designs it, and building control approval is sought. Party wall notices are served where the Act applies.
4. Written quote. You get a quote covering the removal, support, making good and any stack work, with clear notes on what approvals are needed.
5. Temporary support. Before any brickwork comes out, temporary props and needles support what is above.
6. Removal and steelwork. The breast is taken out by hand, the approved permanent support is installed, and building control inspect at the required stages.
7. Make good. Floors, walls and ceilings are made good, the flue is sealed and ventilated as appropriate, and the remaining chimney is checked.
8. Sign-off and photos. You receive photos of the work and, once building control are satisfied, their completion paperwork.

Chimney breast removal in Liverpool houses

Victorian terraces in Anfield, Toxteth and Kensington usually have breasts on the party wall with flues shared with the house next door, so the Party Wall Act and the neighbour’s flues are central to any plan. Inter-war semis in Huyton, Old Swan and West Derby often have a central stack serving both halves, so removing your breasts needs careful support design. Larger villas in Allerton and Crosby may have breasts on internal walls, where loads and bearings are different again. We look at each house as it is, not as a standard job.

Alternatives worth considering

If the aim is simply to stop a redundant chimney leaking, removing the stack above the roof, while leaving the breasts in place, is far simpler and needs no steelwork. If the stack is sound but tired, rebuilding or repairing it may be best. Where damp on a chimney breast is the real issue, our chimney leak repair page explains how leaks, condensation and salts differ.

What affects the cost?

The number of breasts, whether a full or partial removal is planned, the engineer’s design, the steelwork, building control fees, any party wall costs, scaffold for stack work, and the extent of making good (plastering, flooring, skirting and decorating) all contribute. Our chimney repair cost guide explains these factors so you can compare quotes on a like-for-like basis.

When to call

Call early in your planning, before you commit to a kitchen, bathroom or layout that depends on the breast being gone. Approvals and any party wall process take time. And if you suspect an old removal has left a chimney unsupported, call straight away. We also handle chimney repairs throughout Merseyside if the remaining stack needs attention.