Chippenham · Wiltshire
Lintel replacement in Chippenham
Lintels over existing windows and doors in Chippenham homes are replaced one opening at a time, with the wall fully supported. Inside, rooms stay usable, with dust sheeting and making good included where you need it.
Guide price from£770per opening inc VAT

- Postcodes
- SN14, SN15
- Population
- about 36,000
- Area
- Wiltshire
- Pricing region
- South West
Is Wiltshire prone to ground movement?
Chippenham is in Wiltshire and takes in postcode districts SN14, SN15. About 36,000 people live there. Nearby, we also cover Calne (5 miles), Melksham (6 miles) and Devizes (9 miles).
Wiltshire has a mix of ground, with clay in some places and firmer rock in others. Ground movement here is more often linked to soils, drains and trees than to mining. Across Wiltshire, most homes are stone cottages, railway terraces in Swindon, and large post-war and new-build estates.
Guide prices for lintel replacement in Chippenham
Guide prices below are for homes in Chippenham, on South West rates and including VAT. A survey or good photos let us turn them into a fixed written price.
| Item | Guide price | Per |
|---|---|---|
| Standard window or door opening | £770 – £2,600 | per opening |
| Wide or bay openingest. | £2,050 – £4,650 | per opening |
| Making good inside and outest. | £155 – £620 | per opening |
Methods for lintel replacement
Replacement with a cavity tray
A damp-proof membrane is laid over the new lintel with stop ends and weep holes, so water running down the cavity is directed out rather than into the house. Many older lintels were installed without one, which is often why they failed.
Best for: Cavity walls with damp above windows
Propping and needling
Adjustable props carry the wall above while the old lintel comes out. For heavier walls, short steel needles are passed through holes cut above the opening and propped on both sides, taking the load off the lintel completely. The supports stay until the new work has set.
Best for: Openings with heavy walls, upper floors or bay windows above
From first photo to finished repair
Inspect the opening
We look at the crack pattern, the type of lintel and what sits above it. Pictures of both faces of the window, plus any visible lintel edge, help us judge it before visiting.
Specify the replacement
We confirm the lintel type, length and bearing needed. For wide openings, bays or walls with unusual loads, an engineer may specify it, and where the repair needs an engineer’s design or sign-off we can arrange one.
Remove and replace
Brickwork is carefully taken out above the lintel, the old lintel removed and the new one bedded level on full bearings. A cavity tray goes in where relevant, then the brickwork above is relaid.
Symptoms that point to lintel replacement
- Rust stains or flaking steel showing above the frame
- Damp patches on the inside wall just above a window
- Soft, crumbly timber visible behind the brick face over a bay
Rules for lintel replacement 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 should I budget for lintel replacement in Chippenham?
Guide prices for lintel replacement in Chippenham start from about £770 per opening, 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.
Can you survey a property in Chippenham?
Yes, Chippenham is covered, along with postcode districts SN14, SN15. We also cover nearby Calne and Melksham.
Why do houses in Wiltshire crack?
Southern Wiltshire is chalk, while the north around Swindon, Chippenham and Trowbridge sits on Oxford and Kimmeridge Clays that are prone to seasonal movement near trees. Bath stone was mined underground around Corsham. Only an investigation can say why a particular building has moved.
How do I know if a lintel has failed?
The most common sign is a diagonal or stepped crack running up from the top corner of a window or door. Others include a dip in the brickwork above, rust or rot visible at the lintel edge, and windows that start to stick. A crack alone can have other causes, so it is worth checking.
Is it safe to live in the house during lintel replacement?
Yes, in almost all cases. The wall is fully supported before anything is removed, and the work is confined to one opening at a time. The affected room is sheeted against dust and kept clear while props are in place.
Related work in Chippenham
- Structural crack repairs
- Boundary and garden wall repairs
- Concrete repairs
- Crack stitching
- Resin injection ground stabilisation
Lintel replacement near Chippenham
If rust is showing above the windows of your Chippenham home, photograph it close up and we will tell you whether replacement is due.