Slough · Berkshire
Chimney stack repairs in Slough
For terraced streets in Slough, stacks are often shared between neighbours. We plan scaffold access and the work so both sides know what is involved, and we can price the stack as a whole if you want to split the cost.
Guide price from£560per stack inc VAT

- Postcodes
- SL1, SL2, SL3
- Population
- about 160,000
- Area
- Berkshire
- Pricing region
- South East
How do local ground conditions affect chimney stack repairs in Slough?
Slough is in Berkshire and takes in postcode districts SL1, SL2, SL3. About 160,000 people live there. If you are just outside Slough, we also cover Maidenhead (5 miles), Gerrards Cross (6 miles) and Egham (6 miles).
Much of Berkshire sits on clay that shrinks in dry summers and swells in wet winters. Ground movement here is more often linked to soils, drains and trees than to mining. Across Berkshire, most homes are Victorian and Edwardian terraces in Reading and Windsor, 1930s semis, and large post-war new-town estates around Bracknell.
Which repair method suits a home in Slough?
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
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
What happens when we carry out chimney stack repairs in Slough?
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.
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.
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.
Signs you may need chimney stack repairs
- Mortar washed out of joints, leaving bricks standing proud
- 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 Slough?
The ranges below reflect typical South East costs for chimney stack repairs, including VAT. Scaffold, access and making good can push a job to the top of the range.
| Item | Guide price | Per |
|---|---|---|
| Repointing, flaunching and minor brick repairs | £560 – £2,250 | per stack |
| Partial or full stack rebuild | £3,350 – £11,200 | per stack |
| Stack restraint or strappingest. | £450 – £1,350 | 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.
Chimney stack repairs in Slough: questions and answers
What is the price of chimney stack repairs in Slough?
Guide prices for chimney stack repairs in Slough start from about £560 per stack, including VAT, on South East 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 Slough?
We do. Slough and the surrounding area are covered, including nearby Maidenhead and Gerrards Cross. A free initial assessment from your photos is the first step.
Does the ground around Slough cause cracking?
East Berkshire is largely London Clay with Thames terrace gravels along the river, while the west rises onto chalk downland. Houses on the clay near Slough, Windsor and Bracknell are the ones most exposed to shrink-swell movement. Only an investigation can say why a particular building has moved.
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.
Do I need scaffolding for chimney repairs?
In almost all cases, yes. Safe work on a stack needs a stable platform at stack height, which usually means scaffold. Ladders and roof ladders do not give a safe place to repoint, lift pots or rebuild brickwork.
More repairs we carry out in Slough
- Concrete repairs
- Boundary and garden wall repairs
- Subsidence insurance claim repairs
- Bowing wall repairs
- Retaining wall repairs
Chimney stack repairs near Slough
Each part of a Slough chimney job, scaffold included, is itemised in our no-obligation written quote so you can see where the cost lies.