Doncaster · South Yorkshire
Chimney stack repairs in Doncaster
On older houses around Doncaster, many stacks lean slightly away from the prevailing weather. That is usually sulphate attack in the mortar, and the repair depends on how far the stack has moved and how sound the brickwork still is.
Guide price from£475per stack inc VAT
- Postcodes
- DN1, DN2, DN4
- Population
- about 110,000
- Area
- South Yorkshire
- Pricing region
- Yorkshire and the Humber
What is the ground like in South Yorkshire?
We cover Doncaster and its postcode districts DN1, DN2, DN4, part of South Yorkshire, with a population of roughly 110,000. Nearby, we also cover Adwick-le-Street (4 miles), Conisbrough (5 miles) and Mexborough (7 miles).
Clay soils are found in parts of South Yorkshire. Historic coal workings are recorded beneath parts of South Yorkshire, and a coal mining search is worth checking where movement is unexplained. Across South Yorkshire, most homes are brick and stone terraces, colliery housing, inter-war council estates and post-war semis.
What to look for before calling about chimney stack repairs
- A stack visibly leaning when you look along the roof ridge
- Cracked or missing flaunching around the top of the stack
- Bits of brick, mortar or render landing in the garden or gutter
Chimney stack repairs prices in Doncaster
For Doncaster we use Yorkshire and the Humber rates. Treat the table as a budget guide, inc VAT; the price you pay is the one on your written quote.
| Item | Guide price | Per |
|---|---|---|
| Repointing, flaunching and minor brick repairs | £475 – £1,900 | per stack |
| Partial or full stack rebuild | £2,850 – £9,500 | per stack |
| Stack restraint or strappingest. | £380 – £1,150 | per stack |
How we usually approach chimney stack repairs
Partial or full rebuild
Where the lean is pronounced or the brickwork is badly decayed, the stack is taken down to sound masonry, often to roof level, and rebuilt plumb with new flashings and flaunching. Original bricks are cleaned and reused where possible to keep the appearance.
Best for: Badly leaning or decayed stacks
Flaunching and pot resetting
Old cracked flaunching is broken out, pots are lifted and reset or replaced, and new flaunching is formed to a fall so water runs off. Unused flues can be capped with ventilated caps, which keeps rain out while letting the flue breathe.
Best for: Loose pots and cracked mortar at the top of the stack
What happens during chimney stack repairs, step by step?
Look from the ground
Photos from the street and garden, ideally with a zoom, show us the lean, the pots, the flaunching and the state of the pointing. Damp patches inside are worth photographing too, as they help trace the route water is taking.
Scaffold to the stack
Safe access is set up with a working platform around the stack. On terraces we may need to agree access over a neighbour’s roof, and a council licence is arranged where the scaffold stands on the pavement.
Weatherproof and clear
Caps or cowls are fitted where agreed, the roof around the stack is checked for slipped tiles, and debris is cleared from gutters. You receive photos of the finished stack taken from the scaffold, since it is hard to see from the ground.
Rules for chimney stack repairs in England
In England, underpinning and other work that alters or strengthens a wall or foundation is building work under the Building Regulations (Part A, structure), so building control approves and inspects it. Like-for-like repairs often are not, and we tell you which applies before a price is agreed. Work to a party wall, or excavation close to a neighbour’s foundations, can also need a notice under the Party Wall etc. Act 1996.
Questions about chimney stack repairs in Doncaster
What is the price of chimney stack repairs in Doncaster?
Guide prices for chimney stack repairs in Doncaster start from about £475 per stack, including VAT, on Yorkshire and the Humber rates. Your fixed written price follows photos or a survey and depends on the extent of the work and access.
Do you carry out chimney stack repairs in Doncaster?
Yes. We take enquiries from across Doncaster, including DN1, DN2, DN4, and from nearby places such as Adwick-le-Street and Conisbrough. Send photos for a free initial view and we will tell you what happens next.
Does the ground around Doncaster cause cracking?
South Yorkshire lies largely on the Coal Measures, with a long history of shallow and deep mining around Barnsley, Rotherham and Doncaster. Sheffield's hillside sites add retaining walls and steep ground to the mix. Only an investigation can say why a particular building has moved.
Is a leaning chimney dangerous?
A leaning chimney can become dangerous, because stacks are heavy and stand high above the roof. A slight, long-standing lean may be stable for now, but a lean that is worsening, or loose bricks and pots, should be looked at quickly. Keep people away from below if anything looks loose.
What is chimney flaunching?
Flaunching is the sloped bed of mortar on top of a chimney stack that holds the pots in place and throws rainwater off. When it cracks, water gets into the stack and pots can work loose. Renewing it is one of the most common stack repairs.
More repairs we carry out in Doncaster
- Resin injection ground stabilisation
- Structural surveys and crack monitoring
- Lintel replacement
- Roof structure repairs
- Floor joist repairs
Chimney stack repairs near Doncaster
With the stack repair and scaffold plan agreed, your Doncaster chimney quote becomes a fixed price in writing, before anyone goes up.