Brent · Greater London
Crack stitching in Brent
Got a crack you can slip a coin into? In Brent, as anywhere, that is usually wide enough to justify stitching rather than filling, provided an engineer or surveyor agrees the wall has stopped moving.
Guide price from£100per metre of crack inc VAT

- Postcodes
- HA0, HA9, NW9, NW10
- Population
- about 340,000
- Area
- Greater London
- Pricing region
- London
What is the ground like in Greater London?
Brent is one of the 32 London boroughs, with around 340,000 residents in districts such as HA0, HA9, NW9, NW10. Neighbouring towns we cover: Harrow (3 miles), Ealing (3 miles) and Hammersmith and Fulham (5 miles).
Much of Greater London sits on clay that shrinks in dry summers and swells in wet winters. 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.
Crack stitching prices in Brent
Prices in Brent are worked out on London 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 |
|---|---|---|
| Crack stitching with stainless helical bars | £100 – £225 | per metre of crack |
| Small jobs (minimum visit)est. | £440 – £625 | per visit |
| Repointing over the stitched line in matching mortarest. | £40 – £75 | per metre |
How we usually approach crack stitching
Stitching with crack injection
Once the bars are in, the crack itself is filled. Fine cracks are pointed in matching mortar, while wider or deeper cracks can be injected with grout so the void inside the wall is filled rather than just the face. On older houses, lime mortar keeps the repair breathable.
Best for: Deep cracks running through the full thickness of the wall
Helical bars in cementitious grout
The most common approach. A slot is cut along the bed joint with a twin-blade cutter, flushed out and part filled with a cement-based grout. The helical bar is pushed in, more grout is packed over it, and the joint is pointed to match. The grout cures over a few days.
Best for: Most brick and block walls, including older softer bricks
What happens during crack stitching, step by step?
Confirm the cause has stopped
Before quoting we check what made the wall crack and whether it is still moving. If there is doubt, we suggest a period of monitoring or an engineer’s view, rather than stitching a crack that will simply open again.
Repoint to match
The cut joints and crack are pointed in a mortar chosen to match the colour, texture and strength of the existing work. On older houses with soft bricks, a lime mortar is used so the repair does not trap moisture.
Make good and record
Internal plaster cracks are cut out and filled where included, and dust is cleared. You receive a short note of where the bars went, which is useful for future buyers, surveyors and any insurance file.
What to look for before calling about crack stitching
- Filled cracks that keep reopening along the same line
- Bricks split clean through where the crack crosses them
- A crack you can fit a coin into, running through bricks and mortar
Rules for crack stitching in England
Like-for-like repairs such as crack stitching and repointing do not usually need building control approval in England, but anything that changes or strengthens the structure, such as underpinning or rebuilding a wall, does. If the work touches a party wall, the Party Wall etc. Act 1996 may apply.
Questions about crack stitching in Brent
How much should I budget for crack stitching in Brent?
Guide prices for crack stitching in Brent start from about £100 per metre of crack, 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 Brent?
Yes. We take enquiries from across Brent, including HA0, HA9, NW9, NW10, and from nearby places such as Harrow and Ealing. 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 long does crack stitching last?
Stainless steel bars do not rust, so a stitched repair in a stable wall should last as long as the surrounding brickwork. The repair only fails early when the wall keeps moving, which is why the cause is dealt with before the bars go in.
Can crack stitching be done from outside only?
Often yes, especially on cavity walls where only the outer leaf has cracked. On solid walls, or where the crack shows clearly inside, bars may be needed on both faces to reconnect the full thickness. We check both sides before quoting.
Related work in Brent
- Lintel replacement
- Structural crack repairs
- Underpinning
- Resin injection ground stabilisation
- Roof structure repairs
Crack stitching near Brent
Unsure whether a crack in Brent has stopped moving? Pictures with the date on them, taken over a few weeks, help us advise before any bars go in.