Whitstable · Kent
Subsidence repairs in Whitstable
If doors have started sticking in your Whitstable home and new cracks have appeared, it is worth acting before they widen. We can look at photos first and tell you whether an engineer, a drain survey or your insurer should be the next call.
Guide price from£2,800per property inc VAT
- Postcodes
- CT5
- Population
- about 32,000
- Area
- Kent
- Pricing region
- South East
How do local ground conditions affect subsidence repairs in Whitstable?
We cover Whitstable and its postcode districts CT5, part of Kent, with a population of roughly 32,000. Neighbouring towns we cover: Herne Bay (5 miles), Canterbury (6 miles) and Faversham (7 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. Housing stock in Kent: Victorian terraces in the Medway towns, weatherboarded and Wealden houses, 1930s semis and seaside bungalows.
How we usually approach subsidence repairs
Foundation strengthening
Where the ground cannot be made stable, the load is carried down to firmer soil by underpinning, a beam-and-base scheme, mini-piles or resin injection, depending on the soil and access. It is designed by an engineer and is the exception, not the rule.
Best for: Ongoing movement where removing the cause has not worked
Crack stitching and making good
Once movement has stopped, cracked brickwork is cut along the bed joints, stainless helical bars are bonded in to tie the wall together, and the joints are repointed to match. Inside, plaster is renewed along the crack line before redecoration.
Best for: Category 1 to 3 cracking in walls that are otherwise sound
What happens during subsidence repairs, step by step?
Send photos or call
Send photos of the cracks with a coin or tape for scale, and say when you first noticed them. We give a free initial assessment and suggest whether an engineer, a drain survey or your insurer comes first.
Find the cause
An independent chartered structural engineer inspects the house and, where needed, arranges a drain survey, trial pits or soil tests. We can arrange the engineer. The aim is to know what is moving, and why, before money goes on repairs.
Deal with the cause
Drains are repaired, vegetation is managed on the engineer’s advice, or a foundation scheme is designed if nothing else will work. Where monitoring is recommended, readings run for several months to show the movement has stopped.
What to look for before calling about subsidence repairs
- Fresh cracks showing on both the inside and outside of one wall
- A gap opening between the skirting board and the floor
- Doors and windows that start to stick or no longer close
Subsidence repairs prices in Whitstable
The ranges below reflect typical South East costs for subsidence repairs, including VAT. Scaffold, access and making good can push a job to the top of the range.
| Item | Guide price | Per |
|---|---|---|
| Structural engineer's investigation and report | £560 – £2,250 | per property |
| CCTV drain survey (common first check) | £170 – £390 | per survey |
| Typical repair once the cause is dealt with: crack stitching and making goodest. | £2,800 – £13,400 | per property |
| Foundation strengthening where it is needed (see underpinning) | £1,100 – £3,900 | per metre of wall |
Rules for subsidence 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 subsidence repairs in Whitstable
How much will subsidence repairs cost in Whitstable?
Guide prices for subsidence repairs in Whitstable start from about £2,800 per property, 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 cover Whitstable?
Yes, Whitstable is covered, along with postcode districts CT5. We also cover nearby Herne Bay and Canterbury.
Is the ground in Kent prone to subsidence?
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.
Will past subsidence affect my home insurance?
It can, because insurers ask about previous subsidence at renewal or when you switch. Staying with the insurer who handled a claim is often simplest. Answer any new insurer’s questions honestly and keep the repair records, which show the problem was dealt with.
Do you need to visit before giving a price?
Not at first. We give a free initial assessment from your photos or a call, and a no-obligation written quote once the scope is clear. A fixed price follows in writing once the repair is specified, which normally needs a survey.
Other structural repairs in Whitstable
- Floor joist repairs
- Bowing wall repairs
- Retaining wall repairs
- Mining subsidence repairs
- Crack stitching
Subsidence repairs near Whitstable
Send photos of the cracks in your Whitstable home, with something for scale, and we will give a free initial assessment and tell you the sensible next step.