Horsham · West Sussex
Structural surveys and crack monitoring in Horsham
A structural survey in Horsham starts with an independent chartered structural engineer inspecting the cracks, the walls, the drains and any trees nearby. We can arrange that inspection, and the report sets out whether monitoring or a repair comes next.
Guide price from£560per property inc VAT

- Postcodes
- RH12
- Population
- about 51,000
- Area
- West Sussex
- Pricing region
- South East
What should you know about the ground under Horsham?
Horsham (RH12) has around 51,000 residents and sits in West Sussex. Nearby places we cover include Crawley (7 miles), Horley (11 miles) and Haywards Heath (11 miles).
Much of West Sussex 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. What you mostly find across West Sussex: Wealden cottages, 1930s semis and bungalows on the coast, and new-town estates in Crawley.
Is it time for structural surveys and crack monitoring? Common signs
- A crack you are unsure is old or new
- Doors and windows sticking at some times of year only
- Cracks that seem wider after a hot, dry summer
What should you budget for structural surveys and crack monitoring in Horsham?
For Horsham we use South East 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 |
|---|---|---|
| Structural engineer's inspection and report | £560 – £2,250 | per property |
| Crack monitoring: installation and three seasonal readings | £1,600 – £2,700 | per programme |
| Extra monitoring visit | £470 | per visit |
Repair options we may recommend
Tell-tales and crack-width monitoring
Gauges are fixed across key cracks and read at set intervals, or reference studs are measured with callipers to a fraction of a millimetre. The readings show whether each crack is widening, closing or stable, and whether any change follows the seasons.
Best for: Tracking individual cracks over the seasons
Level monitoring
Survey points are fixed around the building and their heights measured against a stable datum on each visit. This shows whether one part of the house is dropping or rising compared with the rest, which crack widths alone cannot reveal.
Best for: Suspected subsidence or heave across a whole house
What to expect when we carry out structural surveys and crack monitoring
Free initial assessment
Send photos of the cracks with something for scale and tell us when they appeared. We give a free view on whether an engineer’s inspection is worthwhile, and whether your insurer should be told first.
Engineer’s inspection
We can arrange an independent chartered structural engineer to inspect. They record the damage, assess likely causes and recommend whether monitoring, drain surveys or trial pits are needed before any repair decision.
Install monitoring points
Tell-tales, measuring studs or level points are fixed at the locations the engineer chooses. A base reading is taken on the first visit, so every later reading can be compared against it.
Rules for structural surveys and crack monitoring 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.
Your structural surveys and crack monitoring questions
How much will structural surveys and crack monitoring cost in Horsham?
Guide prices for structural surveys and crack monitoring in Horsham start from about £560 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 Horsham?
Yes. We take enquiries from across Horsham, including RH12, and from nearby places such as Crawley and Horley. Send photos for a free initial view and we will tell you what happens next.
Is the ground in West Sussex prone to subsidence?
North West Sussex around Crawley and Horsham sits on Weald Clay, the South Downs are chalk, and the coastal plain has brickearth and gravels. The Weald Clay is prone to shrink-swell movement near trees. Only an investigation can say why a particular building has moved.
What do BRE crack categories mean?
BRE Digest 251 groups damage by typical crack width. Category 0 is under 0.1 mm, 1 up to 1 mm, 2 up to 5 mm, 3 from 5 to 15 mm or several of about 3 mm, 4 from 15 to 25 mm, and 5 usually over 25 mm. It is a guide to severity, not a diagnosis of cause.
What happens after the monitoring ends?
If the readings show the building is stable, the engineer specifies a repair, usually crack stitching and making good. If movement continues, further investigation and a foundation repair design follow. Either way, we confirm a fixed price in writing once the repair is specified.
Other structural repairs in Horsham
Structural surveys and crack monitoring near Horsham
Unsure whether the cracks in your Horsham home are moving? Share dated photos, and we will suggest the most sensible first step.