Westminster · Greater London
Lintel replacement in Westminster
If a window at your Westminster property has started to stick and the brickwork above has dipped, the lintel is a likely suspect. Send pictures of both sides of the opening, and we will tell you what we think is happening.
Guide price from£940per opening inc VAT
- Postcodes
- EC1N, EC4, EC4A, EC4M, EC4N
- Population
- about 200,000
- Area
- Greater London
- Pricing region
- London
Why does the ground in Greater London matter for lintel replacement?
We cover the whole of Westminster, including postcode districts EC1N, EC4, EC4A, EC4M, EC4N; about 200,000 people live in the borough. We also take enquiries from nearby Kensington and Chelsea (2 miles), Camden (3 miles) and Islington (3 miles).
Greater London 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. Across Greater London, most homes are Victorian and Edwardian terraces with shallow footings, inter-war semis in the outer boroughs, and converted flats and mansion blocks.
Is it time for lintel replacement? Common signs
- A diagonal crack climbing away from a window head
- Brickwork above an opening visibly dipping in the middle
- Rust stains or flaking steel showing above the frame
What should you budget for lintel replacement in Westminster?
The ranges below reflect typical London costs for lintel replacement, including VAT. Scaffold, access and making good can push a job to the top of the range.
| Item | Guide price | Per |
|---|---|---|
| Standard window or door opening | £940 – £3,100 | per opening |
| Wide or bay openingest. | £2,500 – £5,600 | per opening |
| Making good inside and outest. | £190 – £750 | per opening |
Repair options we may recommend
Like-for-like replacement
The failed lintel comes out and one of suitable type and size is bedded on mortar with adequate bearing at each end. Bricks above are relaid to match the original bond and the joints are pointed to blend with the surrounding wall.
Best for: Standard windows and doors with a single failed lintel
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
What to expect when we carry out lintel replacement
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 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.
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.
Your lintel replacement questions
How much should I budget for lintel replacement in Westminster?
Guide prices for lintel replacement in Westminster start from about £940 per opening, including VAT, on London 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 Westminster?
Yes. We take enquiries from across Westminster, including EC1N, EC4, EC4A, EC4M, and from nearby places such as Kensington and Chelsea and Camden. Send photos for a free initial view and we will tell you what happens next.
Why do houses in Greater London crack?
Most of Greater London sits on London Clay, among the most shrinkage-prone ground in the UK, with river gravels along the Thames. Subsidence claims here are among the most frequent in the country, especially after dry summers and near street and garden trees. 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.
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 Westminster
- Floor joist repairs
- Boundary and garden wall repairs
- Structural surveys and crack monitoring
- Subsidence insurance claim repairs
- Roof structure repairs
Lintel replacement near Westminster
For a Westminster lintel, the price is fixed in writing once the repair is specified, with building control included where the work needs it.