Croydon · Greater London
Bowing wall repairs in Croydon
Restraint ties and straps are the usual fix for a bowing wall in Croydon, tying the masonry back into the joists or rafters. Where joists run alongside the wall, we add blocking first so the ties have something solid to grip.
Guide price from£1,250per wall inc VAT

- Postcodes
- CR0, CR2, CR5, CR7, CR8
- Population
- about 390,000
- Area
- Greater London
- Pricing region
- London
Is Greater London prone to ground movement?
Croydon is one of the 32 London boroughs, with around 390,000 residents in districts such as CR0, CR2, CR5, CR7, CR8. Nearby places we cover include Sutton (5 miles), Caterham (5 miles) and Banstead (6 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. Housing stock in Greater London: Victorian and Edwardian terraces with shallow footings, inter-war semis in the outer boroughs, and converted flats and mansion blocks.
What happens during bowing wall repairs, step by step?
Assess the bow
We look at where the wall bows, how far it is out of plumb and how the floors and roof meet it. Photographs from your phone held flat against the wall often show the shape clearly before anyone visits.
Decide restrain or rebuild
If the wall is badly out of plumb, has bricks crushing or follows removed internal walls, we recommend an engineer, and can arrange one. Their view sets whether restraint is enough or a section needs rebuilding.
Fit the ties and straps
Ties are drilled through and fixed, or straps fitted and secured, at the spacing specified. Any rebuild is carried out at this stage, with temporary propping in place until the new brickwork has gained strength.
What to look for before calling about bowing wall repairs
- Horizontal cracking at first-floor or ceiling level
- Gutters or the roof edge no longer lining up with the wall
- A visible belly in the wall when you sight along it
Bowing wall repairs prices in Croydon
Guide prices below are for homes in Croydon, on London rates and including VAT. A survey or good photos let us turn them into a fixed written price.
| Item | Guide price | Per |
|---|---|---|
| Lateral restraint for a typical gable | £1,250 – £3,750 | per wall |
| Remedial restraint ties installed | £30 – £75 | per tie |
| Partial rebuild of a badly distorted sectionest. | £3,750 – £10,000 | per section |
How we usually approach bowing wall repairs
Stitching a delaminating wall
Where the layers of a solid wall have separated, long stainless ties are drilled in from the face and bonded into the inner layer to bind the wall together again. This is often combined with restraint ties, so the wall is both reconnected through its thickness and tied back to the structure.
Best for: Solid walls where the outer layer has pulled away
Restraint ties into the floor
Stainless restraint ties are drilled through the wall and fixed into the floor joists or into blocking between them. Where joists run parallel, noggins are fitted across several joists so the tie has something solid to hold. A neat plate or a buried fixing is left on the outside face.
Best for: Walls bowing at floor level where joists run alongside
Rules for bowing wall repairs 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.
Questions about bowing wall repairs in Croydon
How much will bowing wall repairs cost in Croydon?
Guide prices for bowing wall repairs in Croydon start from about £1,250 per wall, including VAT, on London rates. Your fixed written price follows photos or a survey and depends on the extent of the work and access.
Do you cover Croydon?
Yes, Croydon is covered, along with postcode districts CR0, CR2, CR5, CR7. We also cover nearby Sutton and Caterham.
Is the ground in Greater London prone to subsidence?
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.
Is a bowing wall dangerous?
A bowing wall is not always dangerous, but it should never be ignored. Many have been slightly out of line for decades. A bow that is growing, crushing bricks or appeared after building work is more serious, and an engineer should look at it promptly. Your engineer will confirm.
Do restraint ties show on the outside?
Some do and some do not. Certain ties leave a small round or square plate on the outside face, while others are fully recessed and pointed over. Straps fitted from inside leave no outside trace at all. We agree the finish with you before work starts.
Other structural repairs in Croydon
- Crack stitching
- Brick arch repairs
- Resin injection ground stabilisation
- Concrete repairs
- Wall tie replacement
Bowing wall repairs near Croydon
Send photos of the bowing wall at your Croydon property, including a level held against it, for a free initial assessment.