New Milton · Hampshire
Chimney stack repairs in New Milton
Damp on a chimney breast in a New Milton home often starts at the top of the stack, where cracked flaunching or failed pointing lets rain in. Fixing the stack and capping unused flues usually stops it at the source.
Guide price from£560per stack inc VAT

- Postcodes
- BH25
- Population
- about 26,000
- Area
- Hampshire
- Pricing region
- South East
Is Hampshire prone to ground movement?
New Milton, Hampshire: about 26,000 residents across postcode districts BH25. We also take enquiries from nearby Christchurch (5 miles), Bournemouth (10 miles) and Ferndown (11 miles).
Hampshire is one of the parts of the UK where clay soils are most likely to move with the seasons. Ground movement here is more often linked to soils, drains and trees than to mining. Typical buildings in Hampshire: Victorian terraces in Portsmouth and Southampton, 1930s semis, and large post-war and new-build estates.
From first photo to finished repair
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.
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.
Symptoms that point to chimney stack repairs
- Chimney pots that are loose, tilted or cracked at the base
- Mortar washed out of joints, leaving bricks standing proud
- Damp patches on the chimney breast inside, especially after rain
Guide prices for chimney stack repairs in New Milton
Guide prices below are for homes in New Milton, on South East rates and including VAT. A survey or good photos let us turn them into a fixed written price.
| 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 |
Methods for chimney stack repairs
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
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.
Frequently asked questions
How much will chimney stack repairs cost in New Milton?
Guide prices for chimney stack repairs in New Milton 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 cover New Milton?
We do. New Milton and the surrounding area are covered, including nearby Christchurch and Bournemouth. A free initial assessment from your photos is the first step.
Is the ground in Hampshire prone to subsidence?
Central Hampshire is chalk, while the south around Portsmouth, Southampton and the New Forest fringe and the north-east around Farnborough sit on London Clay, Reading Beds and other clays and sands. The clay areas see seasonal movement near trees. Only an investigation can say why a particular building has moved.
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.
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.
Other structural repairs in New Milton
- Structural crack repairs
- Boundary and garden wall repairs
- Floor joist repairs
- Roof structure repairs
- Lintel replacement
Chimney stack repairs near New Milton
If a stack in New Milton has shed bricks or a pot, photograph it from a safe place and send it over so we can advise on next steps.