Redruth · Cornwall
Chimney stack repairs in Redruth
Plenty can be judged about a Redruth chimney from the pavement. A lean, tilted pots or patchy pointing are often visible from the ground, and photos with a zoom tell us a lot before anyone goes up.
Guide price from£515per stack inc VAT

- Postcodes
- TR15, TR16
- Population
- about 43,000
- Area
- Cornwall
- Pricing region
- South West
How do local ground conditions affect chimney stack repairs in Redruth?
Redruth (TR15, TR16) has around 43,000 residents and sits in Cornwall. Nearby places we cover include Camborne (4 miles), Truro (8 miles) and Falmouth (9 miles).
Clay shrinkage is less of a concern in Cornwall, so other causes such as drains, poor footings or older walls are checked first. Old metal-mine shafts and workings are recorded in places, so mining searches are routine for some properties. What you mostly find across Cornwall: granite and slate-stone cottages, cob buildings, Victorian terraces and post-war estates.
Which repair method suits a home in Redruth?
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
What happens when we carry out chimney stack repairs in Redruth?
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.
Signs you may need chimney stack repairs
- Mortar washed out of joints, leaving bricks standing proud
- Bits of brick, mortar or render landing in the garden or gutter
- A stack visibly leaning when you look along the roof ridge
How much will chimney stack repairs cost in Redruth?
Prices in Redruth are worked out on South West rates. They include VAT and are a starting point: access, the extent of the damage and whether an engineer or building control is involved all move the figure.
| Item | Guide price | Per |
|---|---|---|
| Repointing, flaunching and minor brick repairs | £515 – £2,050 | per stack |
| Partial or full stack rebuild | £3,100 – £10,300 | per stack |
| Stack restraint or strappingest. | £410 – £1,250 | 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 Redruth: questions and answers
How much will chimney stack repairs cost in Redruth?
Guide prices for chimney stack repairs in Redruth start from about £515 per stack, including VAT, on South West rates. Your fixed written price follows photos or a survey and depends on the extent of the work and access.
Do you cover Redruth?
Yes, Redruth is covered, along with postcode districts TR15, TR16. We also cover nearby Camborne and Truro.
Is the ground in Cornwall prone to subsidence?
Cornwall is mostly granite and slate with little shrinkable clay, so clay subsidence is less common than in the south-east. Historic tin and copper mining has left shafts and workings in places such as Camborne and Redruth, and mining searches are routine there. 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.
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.
Other structural repairs in Redruth
- Bay window subsidence repairs
- Wall tie replacement
- Extension pulling away repairs
- Structural crack repairs
- Brick arch repairs
Chimney stack repairs near Redruth
With the stack repair and scaffold plan agreed, your Redruth chimney quote becomes a fixed price in writing, before anyone goes up.