North Yorkshire · England
Chimney stack repairs in North Yorkshire
Homes in North Yorkshire are mostly stone cottages. That matters for chimney stack repairs: footings, wall construction and mortar all vary with the age of the building. North Yorkshire has a mix of ground, with clay in some places and firmer rock in others.
Guide price from£475per stack inc VAT
- Area
- North Yorkshire
- Pricing region
- Yorkshire and the Humber
- Ground
- Clay in parts
- Towns listed
- 11
Is North Yorkshire prone to ground movement?
North Yorkshire ranges from limestone dales and moors to clays and glacial deposits in the Vale of York, with the Selby coalfield in the south and ironstone workings in Cleveland. Teesside has areas of soft and made ground.
Parts of North Yorkshire lie on a former coalfield, so a coal mining search is worth checking if movement has no obvious cause. What you mostly find across North Yorkshire: stone cottages, Georgian and Victorian houses in York and Harrogate, and brick terraces on Teesside.
What happens when we carry out chimney stack repairs in North Yorkshire?
Check what is below
We ask whether any chimney breasts have been removed, and check the loft and rooms below for cracking. If a breast has gone without proper support, we recommend an independent chartered structural engineer before any stack work.
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.
Repair, restrain or rebuild
The agreed work is carried out: repointing, new flaunching and pots, restraint, or taking the stack down and rebuilding it. Lead flashings where the stack meets the roof are checked and renewed if needed.
Signs you may need chimney stack repairs
- Chimney pots that are loose, tilted or cracked at the base
- Cracked or missing flaunching around the top of the stack
- Damp patches on the chimney breast inside, especially after rain
- Bits of brick, mortar or render landing in the garden or gutter
How much will chimney stack repairs cost in North Yorkshire?
For North Yorkshire 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 |
Which repair method suits a home in North Yorkshire?
Stack restraint or strapping
A stack that has leaned slightly but is otherwise sound can be restrained with stainless straps or ties fixed back to the roof structure or the gable. This stops further movement without taking the stack down, and is often combined with repointing.
Best for: Slightly leaning stacks with sound brickwork
Repointing and brick repairs
Eroded joints are raked out and repointed in a mortar suited to the brick, often a lime-based mix on older stacks. Spalled or cracked bricks are cut out and replaced with matched reclaimed or new bricks. On many stacks this, with new flaunching, is all that is needed.
Best for: Upright stacks with weathered joints and some damaged bricks
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
Do you need approval 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.
Chimney stack repairs near you in North Yorkshire
Chimney stack repairs in North Yorkshire: questions and answers
Does the ground around York cause cracking?
North Yorkshire ranges from limestone dales and moors to clays and glacial deposits in the Vale of York, with the Selby coalfield in the south and ironstone workings in Cleveland. Teesside has areas of soft and made ground. Parts of North Yorkshire lie on a former coalfield, so a coal mining search is worth checking if movement has no obvious cause. Only an investigation on site can say why a particular building has moved.
How much will chimney stack repairs cost in North Yorkshire?
On Yorkshire and the Humber rates, chimney stack repairs starts from about £475 per stack, including VAT. The written price depends on the extent of the damage, access and whether an engineer or building control is needed.
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.
What if a chimney breast below has been removed?
Where the breast has gone but the stack is still on the roof, how that stack is now held up is a structural question. Cracking in nearby ceilings or a dropped stack are warning signs. An independent chartered structural engineer should assess it before any repair, and we can arrange one.
Can a leaning stack be straightened?
Not by pushing it back, because the brickwork would crack. A slight lean on a sound stack can be restrained so it moves no further. A pronounced lean is fixed by taking the stack down to sound masonry and rebuilding it plumb.