Chimney breast removal with gallows bracket or beam support in Wallington. Trusted, professional, 30+ years' hands-on experience.
An Edwardian house near Wallington Green shares its stack with the neighbour, which makes removal notifiable and the notice a real legal step rather than a courtesy. You serve it and allow time for the reply. The structural engineer then designs the support, and we prop, remove and install the steel to that design.

Most Wallington terraces still carry their original chimney breasts on the flank wall shared with the neighbour. Homeowners usually want the breast gone from a first-floor bedroom or a ground-floor reception, but the masonry above it, right up to the stack on the roof, still needs support once the breast below is taken out. We start with a structural engineer confirming exactly what is being carried.
On the lower floors we support the retained stack with steel gallows brackets bolted into the party wall, or a beam where the brackets are unsuitable for the geometry. Where the whole stack is redundant and it runs full height, it is often cleaner to remove the entire stack and make the roof good. We never leave a stack unsupported, whatever the room layout demands.
Because Wallington's terraces are built in tight rows, the chimney stack almost always sits within the shared party wall. Removing the breast, or bolting gallows brackets into that wall, is notifiable under the Party Wall Act, so you serve notice on the adjoining owner before work begins and manage any award that follows. It is a routine part of the job, handled by us.
The structural support is notifiable under the Building Regulations, and Sutton Council's building control inspects and signs it off. We look after the lot: the engineer's design, safe removal and propping, capping any redundant flue with proper ventilation to avoid damp, and replastering so the finished room shows no sign the breast was ever there.
The job is not finished when the plasterer leaves. We walk the room with you and list anything that needs attention, and we would rather you pointed things out than lived with them. Alongside that you should receive the building control completion certificate, the structural engineer's details, and any party wall paperwork, which together form the record a buyer's solicitor will eventually ask to see. Keep the whole set together in one place, because it is far harder to reassemble years afterwards.
There is also a settling-in period. New plaster on old brickwork shrinks very slightly as it dries, so a fine hairline at a junction is normal rather than a fault, and it is filled at decoration. What is not normal is a crack that keeps opening, staining coming through the finish, or any movement at the supported stack, and if any of those appear in an SM6 house we come back and look at it properly.
Wallington homeowners choose GS Renovation because we treat chimney breast removal as the structural job it is. You get an engineer-designed support solution, gallows brackets or a beam correctly specified, party wall and building control handled end to end, tidy working in an occupied SM6 home, and a certified result backed by 30+ years across Sutton.
Saiid did a complete refurbishment of our small bathroom. This involved ripping out the existing bath/shower, basin, toilet, pipework, and tiles and…
Built a new extension at rear of property. Laid foundations, drainage, raised floor, new roof and completed all fixtures and interior decoration…
I am very happy to recommend George after he completed the work on my 2 bathrooms. He worked very hard to make sure everything was completed and even…
FAQ
As accurate as the information behind it. A chimney breast removal figure given over the phone for a Wallington home will move; one written after we have looked carefully at the SM6 property usually does not. GS Renovation allows for the making good that Victorian and Edwardian terraced construction demands, and shows the Sutton Council element separately. That is why our Sutton quotations tend to hold. Ring 07472 424 226 to book the free survey at your SM6 address. As a rough guide, chimney breast removal in London costs roughly £1,500 to £2,500 for a single floor where gallows brackets are accepted, or £2,200 to £3,250 where a steel beam is needed, which is the more common route now that LABC has withdrawn its standard gallows detail; two floors run £3,000 to £5,000 (indicative London ranges, MyBuilder and Checkatrade, 2026). Your figure depends on the size, specification and condition of the property, which is why we survey before quoting.
We tell you early rather than at the end. Most overruns on a chimney breast removal job in a Wallington home come from something found once the SM6 property is opened, and that is costed and agreed in writing before we carry on. GS Renovation does not use delay as a reason to add to the price. The Sutton programme is reissued so you can plan. Nothing is added to a Wallington account at SM6 because a Sutton programme slipped.
Local knowledge changes the quotation more than people realise. What chimney breast removal requires in a Victorian and Edwardian terraced Wallington home is not what it requires on a new estate, and GS Renovation prices the SM6 property from having done it repeatedly across Sutton. Distance also decides how quickly anyone returns for aftercare. Ring 07472 424 226 and ask which Carshalton jobs are running now. Ask any firm quoting at your SM6 home for Sutton addresses to visit.
No. Removing the breast on one floor is common in Wallington, provided what remains above is properly supported. Taking out the full stack including the roof section avoids the support question but brings roof works and making good with it. We price both for the SM6 address.
The large majority of it. Bay-fronted Victorian and Edwardian terraces with rear closet wings and side returns make up most of the housing around SM6, so chimney breast removal on them is what GS Renovation does week in and week out rather than occasionally. That familiarity is why a Wallington quotation is priced from experience. References across Sutton are available on request. Email info@gsrenovationltd.co.uk and we will send addresses of several recent chimney breast removal projects on properties of that age near SM6 in Wallington itself.
Part of it. Leaving the hearth in place gives you a raised concrete plinth in the middle of a flat wall, which nobody wants. In an SM6 house the constructional hearth is broken out down below floor level, the void filled or spanned, and the joists trimmed around it picked up on a new bearer. Boards or screed then bring the area level with the rest of the floor.
We do, and the boundary is not a hard line. What decides it for a chimney breast removal project is whether GS Renovation can survey the SM6 property, run the Wallington programme and come back for aftercare without the travel undermining any of it. Most of Sutton and South London qualifies comfortably. Call 07472 424 226 and we will be straight with you. Quotes remain free either way. Aftercare visits to SM6 are part of the same commitment.
Every Service, One Team
The same trusted team, 30+ years' hands-on experience and free, no-obligation quotes apply to every GS Renovation service in Wallington. Explore what else we do locally:
Same Service, Nearby Areas
We carry out chimney breast removal across Wallington and the surrounding areas. Explore a nearby location:
Free, no-obligation quote for chimney breast removal in Wallington. Rated 4.9 from 31 reviews on MyBuilder, fully insured, and building control handled for you.