Chimney Breast Removal for Leatherhead Homes

GS Renovation removes chimney breasts in Leatherhead houses, supporting whatever is left above on gallows brackets or a steel beam as the structural engineer we appoint specifies. The Southern Building Control Partnership, which provides building control for Mole Valley, wants that support seen before it is covered. We coordinate the application and the inspections. Fully insured, with free no obligation quotations.

A propped structural opening in a period terrace, carried out by GS Renovation, with the original timber lintel exposed — Acrow props on sole plates carry the floor while the original head is exposed. A Georgian terrace is visible beyond.

What holds up the masonry above decides the method and the cost

Gallows brackets are one route where the building control body accepts them, and a steel beam is the other. The structural engineer we appoint decides which, and we build to those calculations. The Southern Building Control Partnership lists a structural elements inspection, called before structural timbers, steelwork or concrete are covered up, so whichever support is used is seen before it is boxed in.

Indicative London ranges, MyBuilder and Checkatrade, 2026, put a chimney breast removal on one floor at £1,500 to £2,500 where gallows brackets are accepted. Where a steel beam is needed, the range is £2,200 to £3,250. Across two floors it is £3,000 to £5,000. We quote after seeing the breast and the stack, free and with no obligation.

Building control here is not run by Mole Valley

Mole Valley District Council does not run its own building control service. The Southern Building Control Partnership is its Local Authority Building Control team, a shared service established in 2017. Removing a chimney breast takes support away from what is above it, so it is notifiable work, and the application and the inspections go to that partnership.

That matters for timing more than for paperwork. The support to the residual stack, and the making good around it, have to be arranged so the inspection happens while the steel or the brackets are still visible. We hold the engineer's calculations and the inspection booking together, so you have one point of contact.

The stack above the roof, and the elevation it sits on

Taking the stack down as well as the breast changes the outside of the house, and in Leatherhead that can matter. Article 4 directions are in force in parts of three of Mole Valley's 26 conservation areas: Leatherhead, Dorking and Brockham. The council describes those directions as protecting features that contribute to the special interest of streets within a conservation area.

Whether your address is inside the direction is an address level question. The Mole Valley planning team can be reached on 01306 885001 or at planning@molevalley.gov.uk, and it is worth asking before a stack comes down. Where the stack stays and only the breast goes, the work is internal and the question does not arise in the same way.

Skirting, cornice and picture rail matched back in
Ceiling and joist support where the breast carried them
Gallows bracket support for a retained stack above
Rubble bagged and carried out rather than dropped inside
Fireplace opening infill and new plasterboard finish

Service areaLeatherhead · KT22

Local authorityMole Valley District Council

Part ofSurrey · about 28 miles from our base

Typical homesA historic core with interwar and postwar suburban housing

Also covered nearbyEpsom, Esher and Weybridge

The GS Renovation Difference in Leatherhead

A chimney breast removal in Leatherhead splits into two questions: what supports the masonry left above, and whether anything changes outside. The first goes to the structural engineer we appoint and to the Southern Building Control Partnership, which handles building control for Mole Valley. The second goes to the council, because an Article 4 direction applies in part of the conservation area. We coordinate the building control application and inspections. We are fully insured and quotations are free and carry no obligation.

Founder-led team with 30+ years of hands-on experience
The retained stack inspected from the loft before we start
Free, no-obligation quotations
Roof, flashing and leadwork made good where a stack comes down
One point of contact on the phone, not a call centre
Rated 4.9 from 31 reviews on MyBuilder

Written and reviewed by Abdelaaziz Saaid, founder of GS Renovation Ltd, who has spent more than 30 years on the tools and on site in London homes. Structural design is specified by the consulting engineer appointed to your project.

FAQ

Frequently Asked Questions about Chimney Breast Removal Leatherhead

What happens to the chimney breast removal price if the scope changes in Leatherhead?

It moves, and you see the movement immediately. Because the chimney breast removal quotation for a Leatherhead home is itemised, a change to the specification at KT22 is priced against the same lines rather than renegotiated wholesale. GS Renovation issues a written variation and waits for your approval. That protects both sides on every Leatherhead project. Ring 07472 424 226 and GS Renovation will explain how a variation at your KT22 address in Leatherhead is agreed. 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.

The house is old and stands in the conservation area. Does that make it listed?

No. Designation and listing are separate things. The Leatherhead Conservation Area carries a start date of 26 March 1974 and a boundary published on the national Planning Data platform under reference 2736. Thirty eight entries on the National Heritage List for England fall inside that boundary, 23 of them listed on 7 September 1951. Your address is either on the list or it is not, and that is worth confirming first.

The chimney is in a listed building. What changes?

The consent position changes before the method does. Twenty nine listed buildings stand inside the Leatherhead conservation area, and listed building consent reaches internal alterations that affect the special interest of a building, so a breast and a stack are not outside it by default. Leatherhead has four Grade II* buildings and no Grade I. We build to consent that is already in place rather than advising on it.

Is it worth asking the council before the stack itself comes down?

Where the stack shows from the street, yes. Mole Valley District Council runs a householder pre-application service, letter based and paid for, which gives a written view on a proposal before drawings are committed to. Where the enquiry needs specialist input from its Historic Buildings Officer, that is charged on top. On a constrained elevation the letter settles the question before scaffolding is booked rather than after.

When is the removal signed off, and by whom?

By the Southern Building Control Partnership, at the end of the work. Completion has to be notified to it within five days of the work finishing, which is separate from the inspection of the support while it is still visible. That final notification is the record that the removal was dealt with properly, and it is the one you may be asked for years later. We make it.

Chimney Breast Removal Leatherhead

What holds up the masonry above decides the method and the cost

Building control here is not run by Mole Valley

The stack above the roof, and the elevation it sits on

The GS Renovation Difference in Leatherhead

Rated 4.9 / 5 by our clients

Frequently Asked Questions about Chimney Breast Removal Leatherhead

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Chimney Breast Removal Near Leatherhead

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