Gravesend · Kent
Retaining wall repairs in Gravesend
Retaining wall repairs in Gravesend begin with height and what sits on top. A low wall behind a flower bed is a very different job from one holding up a drive, and the taller or more heavily loaded walls need an engineer’s design.
Guide price from£560per wall inc VAT

- Postcodes
- DA11, DA12
- Population
- about 54,000
- Area
- Kent
- Pricing region
- South East
What should you know about the ground under Gravesend?
With roughly 54,000 people, Gravesend spans postcode districts DA11, DA12 in Kent. Nearby places we cover include Swanscombe (3 miles), Longfield (4 miles) and Strood (6 miles).
Shrinkable clay is widespread in Kent. Parts of Kent lie on a former coalfield, so a coal mining search is worth checking if movement has no obvious cause. Across Kent, most homes are Victorian terraces in the Medway towns, weatherboarded and Wealden houses, 1930s semis and seaside bungalows.
How we usually approach retaining wall repairs
Structural repair and partial rebuild
A leaning or bulging section is taken down, the soil behind dug out and supported, and the wall rebuilt on a new footing with drainage and, where specified, reinforcement tied into the sound wall either side. The engineer’s design sets footing size and wall thickness.
Best for: A section that has moved while the rest stays sound
Drainage and minor repairs
Blocked weep holes are cleared or new ones drilled, and where practical a drainage layer is formed behind the wall with an outlet at its base. Loose copings are rebedded, open joints repointed and a few damaged bricks replaced. For a low wall that has not moved much, this can be enough.
Best for: Low walls that are damp or slightly weathered but still upright
What happens during retaining wall repairs, step by step?
Site assessment
On site we measure height and lean, check the drainage and the ground at the top and bottom, and look at access for digging out. Walls that support a drive, path or building, or retain more than a modest height, are referred to an engineer.
Written quote
You receive a no-obligation written quote covering demolition, excavation, temporary support, the footing, the new or repaired wall, drainage and spoil removal. It becomes a fixed price in writing once the repair is specified.
Build and drain
The failing section is taken down, the soil supported in short lengths, and the footing cast. The wall is rebuilt with drainage behind it, backfilled with free-draining material, and building control inspects where the work needs it.
What to look for before calling about retaining wall repairs
- Water seeping through joints, or white salt staining, after rain
- Horizontal or stepped cracks running along the face of the wall
- No weep holes, or weep holes that never seem to drain
Retaining wall repairs prices in Gravesend
These are guide prices for Gravesend, using South East rates and including VAT. Your written quote follows photos or a survey, and is fixed once the repair is specified.
| Item | Guide price | Per |
|---|---|---|
| Minor repairs and drainage | £560 – £2,250 | per wall |
| Structural repair or partial rebuild | £3,350 – £16,800 | per wall |
| New retaining wall | £225 – £505 | per m² of wall face |
Rules for retaining 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 retaining wall repairs in Gravesend
What is the price of retaining wall repairs in Gravesend?
Guide prices for retaining wall repairs in Gravesend start from about £560 per wall, including VAT, on South East rates. Your fixed written price follows photos or a survey and depends on the extent of the work and access.
Do you carry out retaining wall repairs in Gravesend?
We do. Gravesend and the surrounding area are covered, including nearby Swanscombe and Longfield. A free initial assessment from your photos is the first step.
Does the ground around Gravesend cause cracking?
North Kent sits on London Clay, central Kent on Gault and Weald Clays and the Downs on chalk, so shrinkable clay is widespread. East Kent around Deal and Dover had a small deep coalfield, worked until the late 1980s. Only an investigation can say why a particular building has moved.
Is a leaning retaining wall dangerous?
It can be, especially if the lean is getting worse, the wall is tall, or there is a path, drive or building next to it. A wall that has leaned slightly for decades may be stable, but one that has moved recently should be kept clear and assessed soon.
Does home insurance cover a collapsed garden retaining wall?
Often not, because many policies exclude garden walls unless the house is damaged by the same event, and gradual failure is usually excluded. A collapse caused by landslip or a sudden escape of water may be treated differently. Check your schedule and tell your insurer before permanent repairs start.
More repairs we carry out in Gravesend
- Wall tie replacement
- Gable end wall repairs
- Floor joist repairs
- Bay window subsidence repairs
- Subsidence repairs
Retaining wall repairs near Gravesend
If an engineer has already designed a new retaining wall for your Gravesend property, send the drawings and we will price building it.