Liverpool · Merseyside
Chimney stack repairs in Liverpool
On older houses around Liverpool, 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£480per stack inc VAT
- Postcodes
- L3, L69, L70
- Population
- about 500,000
- Area
- Merseyside
- Pricing region
- North West
Is Merseyside prone to ground movement?
Liverpool is in Merseyside and takes in postcode districts L3, L69, L70. About 500,000 people live there. If you are just outside Liverpool, we also cover Birkenhead (2 miles), Wallasey (4 miles) and Fazakerley (4 miles).
Parts of Merseyside have clay that can shrink near trees in dry spells. Parts of Merseyside lie on a former coalfield, so a coal mining search is worth checking if movement has no obvious cause. Housing stock in Merseyside: Victorian terraces and villas, inter-war council estates and post-war semis.
How we usually approach chimney stack repairs
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
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
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.
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.
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
- Chimney pots that are loose, tilted or cracked at the base
Chimney stack repairs prices in Liverpool
For Liverpool we use North West 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 | £480 – £1,900 | per stack |
| Partial or full stack rebuild | £2,900 – £9,600 | per stack |
| Stack restraint or strappingest. | £385 – £1,150 | per stack |
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 Liverpool
What is the price of chimney stack repairs in Liverpool?
Guide prices for chimney stack repairs in Liverpool start from about £480 per stack, including VAT, on North West 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 Liverpool?
Yes. We take enquiries from across Liverpool, including L3, L69, L70, and from nearby places such as Birkenhead and Wallasey. Send photos for a free initial view and we will tell you what happens next.
Does the ground around Liverpool cause cracking?
Merseyside is mostly sandstone with glacial till on top, with soft coastal deposits in Sefton and the Lancashire coalfield extending under St Helens and parts of Knowsley. Old docks and industry left made ground in places. Only an investigation can say why a particular building has moved.
Why is my chimney stack leaning?
Most leaning stacks are caused by sulphate attack, where chemicals from old flue gases make the mortar expand more on the wetter side, so the stack bends away from the weather. Frost damage and failed pointing can make it worse. A recently leaning stack can also signal problems below.
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.
More repairs we carry out in Liverpool
- Underpinning
- Subsidence repairs
- Concrete repairs
- Boundary and garden wall repairs
- Subsidence insurance claim repairs
Chimney stack repairs near Liverpool
Sharing a stack with next door in Liverpool? We can quote for the whole stack so you and your neighbour can see the full picture.