Steel BeamInstallers
Ground-floor chimney breast removed with a short steel beam carrying the breast above

Chimney breast removal · Chelsea

Chimney breast removal in Chelsea

Steelwork, approvals and making good for chimney breast removal in Chelsea and nearby.

  • Survey, design and installation in one
  • Covering SW3, SW5, SW6
  • Inspected before it is covered

Free survey in Chelsea

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  • Free survey visit
  • Engineer's calculations arranged
  • Building control handled
  • Fixed written price once scope is agreed
  • England, Wales, mainland Scotland & NI

What chimney breast removal involves in Chelsea

Need chimney breast removal in Chelsea? We also cover the surrounding towns and villages in London. We survey the property, arrange the engineer's design, deal with local building control, fit the steel and make good, all under one quote for SW3, SW5, SW6, SW7 and SW10 addresses.

We cover the survey visit, structural calculations from a qualified engineer, building control, party wall notices through a party wall surveyor where needed, temporary support, removal, the steelwork and making good. Whether you are taking out the ground-floor breast only or the full height, the itemised written quote shows each stage.

Worth knowing before you start

  • Once the breast is gone, the wall behind it is often rough, sooty or uneven. It is cleaned back, dubbed out where needed and plastered flat, and the floor where the hearth sat is filled level to meet the surrounding boards or screed.
  • In England and Wales, cutting away a chimney breast attached to a party wall is notifiable work under the Party Wall etc. Act 1996. Notice must be served on the neighbour before work begins, and their response decides whether party wall surveyors need to be appointed.
  • If you remove the breast in a ground-floor room but want to keep a fireplace or the breast in the bedroom above, the steel underneath must be designed for that load. Its ends need solid bearings, which may mean pockets cut into the party wall.
  • Removing only the ground-floor breast leaves the upper breast and stack in place, so they must be supported. Taking the breast out on every floor and removing the stack above the roof avoids that load entirely, but involves roofing work and more disruption.
  • Older fireplaces sometimes contain asbestos in flue linings, fire surrounds, hearth boards or heat-resistant panels. In buildings from before 2000, suspect materials are identified with a survey before removal so they can be handled correctly.

Four stages, one team

  1. Look and measure

    We check the wall, the span you want and what the wall is carrying, and photograph anything the engineer needs to see.

  2. Design and price

    Calculations come back from the engineer and we confirm your fixed written price, line by line.

  3. Building control

    We submit a building notice or full plans application to the local council's building control team, so approval is in place before the wall is touched.

  4. Fit, inspect, finish

    The work is propped and the steel installed and packed tight. After inspection the opening is boxed, plastered and left clean.

How much should I budget in Chelsea?

As a guide, budget £1,900–£3,850 including VAT for chimney breast removal (ground floor) in Chelsea, based on published UK cost guides adjusted for London prices (+28%).

JobTypical guide rangeWhat it usually covers
Chimney breast removal (ground floor)£1,900–£3,850Ground-floor breast removed, steel to support the breast above, building control and making good
Loft conversion steels£3,200–£7,700Supply and fit of floor and ridge steels on padstones, including lifting into the roof space
Structural calculations for a beam£320–£960Site measure or photos, beam and padstone design and calculations for building control
Plastering and making good£380–£1,540Boxing the beam, bead and skim, reveals, floor infill where the wall stood and tidy-up

Figures include our approximate regional adjustment for London prices (+28%) and are rounded. How these figures are worked out.

Building control and neighbours in Chelsea

In England, taking out a load-bearing wall or putting in a beam is building work under the Building Regulations 2010. It needs approval from building control, either the local council's building control team or a registered building control approver, through a full plans application or a building notice. Part A covers the structure and Part B covers fire safety, which is why steel in homes is usually fire protected.

Terraced and semi-detached homes often need party wall notices, because cutting into a shared wall to take a beam end is notifiable under the Party Wall etc. Act 1996. Allow at least two months for the notice period unless your neighbour agrees sooner.

Building rules in England

Chimney breast removal near Chelsea

Local questions answered

Can you work on older or listed homes in Chelsea?

Yes. Older homes often have lime mortar, timber lintels or shallow footings, which the engineer allows for. Listed buildings need listed building consent for internal structural changes as well as building regulations approval, and that must be in place first.

Do you cover Chelsea for chimney breast removal?

Yes. We carry out chimney breast removal in Chelsea and the SW3, SW5, SW6, SW7 and SW10 postcode districts. Book a free survey visit and we will check the wall, arrange the engineer's calculations and send an itemised written quote.

What is included in a chimney breast removal quote?

The itemised written quote covers the survey, engineer's calculations, building control, any party wall notices, temporary support, the steel or other support specified, removal and waste, venting or capping, and plastering and floor making good. Scaffolding and roof work appear as separate lines where the stack is involved, and the price is fixed in writing once the scope is agreed.

Do I need my neighbour's permission to remove a chimney breast?

Not permission as such, but in England and Wales you must serve notice under the Party Wall etc. Act 1996 if the breast is attached to a party wall, and your neighbour can consent or dissent. You cannot remove their half of a shared stack. Scotland and Northern Ireland have no equivalent Act, so the title deeds and general law apply.

Should I remove the chimney stack as well?

It often makes sense if the breast is coming out on every floor, because then nothing is left to support. It needs scaffolding and roof repairs, and in terraces the stack is often shared, so your side may not be removable without affecting your neighbour's. The engineer and building control confirm what is possible.

Planning to take a wall out?

Book a free survey visit. You get an itemised written quote covering calculations, building control, steel and making good.