Southwark · Greater London
Structural crack repairs in Southwark
Whether your Southwark home is a Victorian terrace or a post-war semi, a crack follows the weakest line through the masonry. Reading that line correctly is the difference between a repair that lasts and one that splits open again next summer.
Guide price from£100per metre of crack inc VAT
- Postcodes
- SE1, SE5, SE8, SE11, SE14
- Population
- about 310,000
- Area
- Greater London
- Pricing region
- London
Is Greater London prone to ground movement?
We cover the whole of Southwark, including postcode districts SE1, SE5, SE8, SE11, SE14; about 310,000 people live in the borough. Neighbouring towns we cover: Lambeth (2 miles), Lewisham (3 miles) and Tower Hamlets (4 miles).
Shrinkable clay is widespread in Greater London. 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.
Structural crack repairs prices in Southwark
For Southwark we use London 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 |
|---|---|---|
| Crack stitching with helical bars | £100 – £225 | per metre of crack |
| Single crack, outside only (up to about 2 m)est. | £500 – £1,100 | per crack |
| Internal making good and redecoration of the crack lineest. | £190 – £625 | per room |
How we usually approach structural crack repairs
Filling and repointing
For hairline and narrow cracks that have stopped moving, the crack line is raked out and repointed in mortar matched to the original for strength, colour and texture. Inside, plaster cracks are cut out, filled with a flexible filler and redecorated.
Best for: Cracks up to about 5 mm that are no longer moving
Rebuilding a cracked section
Where bricks have split or the wall has moved out of line, the damaged area is taken down and rebuilt, bonded into sound masonry on either side. Reclaimed or matched bricks keep the repair discreet, with temporary support used where needed.
Best for: Badly displaced or broken brickwork
What happens during structural crack repairs, step by step?
Survey and record
On site we measure the width along the crack, note its pattern and check nearby drains, trees and openings. If the cause is unclear, gauges can be fixed across it and read over several months.
Deal with the cause
Leaking drains, failed ties, a sagging lintel or ground movement are put right first, sometimes through an insurance claim. Repairing a crack before its cause is fixed usually means paying for the same job twice.
Written quote
You receive a no-obligation written quote listing each crack, the repair method chosen for it and the making good inside and out. Once the scope is settled, that becomes a fixed price in writing.
What to look for before calling about structural crack repairs
- Daylight or a draught coming through a crack in an outside wall
- Diagonal cracks running from the corners of windows and doors
- A crack noticeably wider at the top than the bottom, or the reverse
Rules for structural crack repairs 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 structural crack repairs in Southwark
How much should I budget for structural crack repairs in Southwark?
Guide prices for structural crack repairs in Southwark 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 Southwark?
We do. Southwark and the surrounding area are covered, including nearby Lambeth and Lewisham. A free initial assessment from your photos is the first step.
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.
Can I just fill a crack and paint over it?
You can fill a fine crack that is not moving, and for many hairline cracks that is the right repair. Filling a crack that is still opening hides the evidence, and it will usually come back. If a filled crack returns within a year or two, have it assessed.
Do I need a structural engineer for a cracked wall?
Not always, since many cracks can be judged from photos and a visit. An engineer is worthwhile when cracks are wide, tapered, growing or part of a claim. Where the repair needs an engineer’s design or sign-off, an independent chartered structural engineer is appointed, and we can arrange this.
Related work in Southwark
- Boundary and garden wall repairs
- Structural surveys and crack monitoring
- Gable end wall repairs
- Extension pulling away repairs
- Bay window subsidence repairs
Structural crack repairs near Southwark
Worried about a crack in Southwark? Photograph it with a tape measure across it, send it over, and we will tell you plainly whether it needs repair.