Wellingborough · Northamptonshire
Lintel replacement in Wellingborough
Lintels over existing windows and doors in Wellingborough 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£735per opening inc VAT

- Postcodes
- NN8
- Population
- about 57,000
- Area
- Northamptonshire
- Pricing region
- East Midlands
What should you know about the ground under Wellingborough?
Wellingborough, Northamptonshire: about 57,000 residents across postcode districts NN8. If you are just outside Wellingborough, we also cover Rushden (4 miles), Kettering (7 miles) and Northampton (9 miles).
Shrinkable clay is widespread in Northamptonshire. Historic ironstone working has left disturbed ground in places. Across Northamptonshire, most homes are ironstone and limestone cottages, Victorian terraces in Northampton and Kettering, and new-town estates in Corby.
Guide prices for lintel replacement in Wellingborough
For Wellingborough we use East Midlands 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 |
|---|---|---|
| Standard window or door opening | £735 – £2,450 | per opening |
| Wide or bay openingest. | £1,950 – £4,400 | per opening |
| Making good inside and outest. | £145 – £590 | per opening |
Methods for lintel replacement
Inner and outer lintel replacement
Solid walls and some cavity walls carry separate lintels on the inside and outside faces. Where both have failed, each is replaced in turn, keeping the wall supported throughout. Internal plaster and reveals are then made good and redecorated where included.
Best for: Older solid walls with rotten timber across the inner face
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
Support the wall
Props or needles are set so the brickwork above carries no load on the old lintel. Windows are protected or temporarily removed where the work demands it, and the room inside is sheeted against dust.
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.
Remove supports and make good
Once the mortar has gained strength, props and needles come out and their holes are made good. Pointing, reveals and plaster are finished, and the window is refitted or checked for smooth operation.
Symptoms that point to lintel replacement
- A diagonal crack climbing away from a window head
- Window or door frames that have started to bind or distort
- 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 Wellingborough?
Guide prices for lintel replacement in Wellingborough start from about £735 per opening, including VAT, on East Midlands 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 Wellingborough?
Yes, Wellingborough is covered, along with postcode districts NN8. We also cover nearby Rushden and Kettering.
Why do houses in Northamptonshire crack?
Northamptonshire sits largely on Lias clay and Jurassic ironstones and limestones, with historic ironstone quarrying around Corby and Kettering. The clay vales are prone to shrinkage near trees. Only an investigation can say why a particular building has moved.
Do I need building regulations approval to replace a lintel?
In England and Wales, replacing a lintel is structural work and building control will usually need to approve it. Rules differ in Scotland and Northern Ireland. We deal with building control where the work needs it, and include the cost in the quote.
What is a cavity tray and do I need one?
A cavity tray is a damp-proof membrane above a lintel that catches water running down inside a cavity wall and sends it out through weep holes. If your wall is cavity construction and the original lintel had no tray, fitting one with the new lintel is usually sensible.
Related work in Wellingborough
Lintel replacement near Wellingborough
Have several failed lintels on one Wellingborough property? We will price each opening individually so you can plan the work in stages.