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

Chimney breast removal · Chesterfield

Chimney breast removal in Chesterfield

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

  • Itemised written quote
  • Beam sized by a structural engineer
  • Covering Chesterfield and nearby

Free survey in Chesterfield

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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

Planning chimney breast removal in Chesterfield

Planning chimney breast removal in Chesterfield? Our team covers S40 and S41 and the streets around them. We also work in nearby Sheffield, roughly 9.4 miles away. You get one written quote for the calculations, approvals, propping, steel and making good.

Chimney breasts take up a surprising amount of room, especially in the kitchens and bedrooms of older terraces and semis. Removing one is common, but it is structural work: the breast usually continues upstairs and up through the roof, and in terraces the stack is often shared with the house next door.

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.
  • A flue still serving a gas fire, boiler or wood burner cannot be removed until that appliance is disconnected and an alternative arranged. Work on any gas appliance or pipe must, by law, be done by a Gas Safe registered engineer.
  • Chimney brickwork is heavy and dirty. Even a single breast produces a lot of rubble and soot, so a skip or waste collection is planned in advance, and floors, stairs and furniture along the route out are protected.
  • Some owners remove breasts in the loft to make space for a conversion while keeping the stack on the roof. That leaves the stack carried at loft level on steel or another support, which the engineer must design and building control must approve before work starts.
  • 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.

What happens, step by step

  1. Free visit

    A short visit to Chesterfield to see the job, agree what you want and check the bearings, floors and services that affect the design.

  2. Calculations

    The engineer's calculations and a simple drawing are prepared for your opening and shared with you before anything is ordered.

  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. Steel in, made good

    On site we prop, open up, fit and pack the steel, then fire protect, box in and plaster once the inspection is done.

What does chimney breast removal cost in Chesterfield?

As a guide, budget £1,450–£2,950 including VAT for chimney breast removal (ground floor) in Chesterfield, based on published UK cost guides adjusted for prices in the East Midlands (-2%).

JobTypical guide rangeWhat it usually covers
Chimney breast removal (ground floor)£1,450–£2,950Ground-floor breast removed, steel to support the breast above, building control and making good
Through-lounge knock-through£2,450–£5,400Wall between front and back reception rooms, steel beam, approvals, plastering and floor infill
Loft conversion steels£2,450–£5,900Supply and fit of floor and ridge steels on padstones, including lifting into the roof space
Structural calculations for a beam£240–£740Site measure or photos, beam and padstone design and calculations for building control

Figures include our approximate regional adjustment for prices in the East Midlands (-2%) and are rounded. How these figures are worked out.

Building control and neighbours in Chesterfield

For Chesterfield, building control is provided by the local council's building control team, or by a registered building control approver if preferred. We send them the engineer's calculations with a building notice or full plans application and book the inspections. Work done without approval can cause problems at sale and is far dearer to put right later.

If the beam bears into a wall you share with a neighbour, the Party Wall etc. Act 1996 applies, and a party structure notice must be served at least two months before that work starts. We arrange this through a party wall surveyor.

Building rules in England

Chimney breast removal near Chesterfield

Chimney breast removal in Chesterfield: your questions

What happens at the survey visit in Chesterfield?

We look at the wall, the floor and ceiling either side and what sits above, measure the opening you want, and note cables, pipes and access for the steel. It usually takes under an hour and there is no charge.

Do I need a party wall agreement for chimney breast removal in Chesterfield?

Yes, if the beam bears into a shared wall: the Party Wall etc. Act 1996 applies in England and Wales, and a party structure notice must be served at least two months before that work starts. We arrange it through a party wall surveyor.

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.

Are gallows brackets allowed for chimney breast support?

Sometimes, but not always. Gallows brackets are used for lighter loads in certain situations, yet many building control bodies will not accept them where the remaining breast is heavy, sits on a party wall or carries the neighbour's flues. The structural engineer proposes a method and building control decides whether it is acceptable.

What if my chimney breast was removed without support?

Get it checked by a structural engineer as soon as possible. If the upper breast or stack has no adequate support, it may need propping straight away. A support can usually be fitted retrospectively, and in England and Wales a regularisation application to the local authority can be used to get the unauthorised work approved.

How much does chimney breast removal cost in Chesterfield?

As a guide, budget £1,450–£2,950 including VAT for chimney breast removal (ground floor) in Chesterfield, based on published UK cost guides adjusted for prices in the East Midlands (-2%). The exact figure depends on the span, what the wall carries, access and the finish, and is fixed in writing once the scope is agreed.

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.