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Crack monitoring in Kent

Why your cracks are being watched before repair

Send a short description of what you have noticed. A specialist firm will read it and tell you whether monitoring is the right next step for your home, at no cost to you.

Describe the movement Read about surveys first

What gets recorded

What the specialist measures

Tell-tales across cracks
Small plastic or glass markers glued across a fissure show whether it widens, narrows or stays still between visits.
Precision level readings
The engineer takes height measurements at fixed points around the walls to detect any tilt or drop in the structure.
Plumb line checks
A weighted line hung against an external wall reveals whether it leans further outward or inward as seasons change.
Moisture and drain tests
Readings taken near downpipes and gullies help rule out leaking drains as the cause of ground shrinkage beneath the foundations.
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The waiting period

Why clay ground needs months of observation

Shrinkable soils beneath much of Kent expand when wet and contract when dry. Watching a full cycle tells the engineer whether the movement is seasonal or progressive.

  • Seasonal moisture changes Weald Clay and Gault Clay swell in winter rain and shrink in summer drought, opening and closing hairline cracks each year.
  • Tree root influence Roots from nearby trees draw moisture from the soil unevenly, causing one corner of a house to settle more than another.
  • Distinguishing settlement from subsidence Older homes settle once and stop. Progressive subsidence keeps moving. Only repeated measurements separate the two conditions reliably.
  • Insurance evidence requirements Insurers ask for a documented history of movement before approving a claim, so the monitoring period forms part of that record.
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How a monitoring period works

  1. 01

    Initial survey visit

    A structural engineer inspects the home, notes crack positions and fixes the first set of measuring points to the walls.

  2. 02

    Instruments placed

    Tell-tales, pins or gauges are attached across the affected areas so future readings have a fixed starting position.

  3. 03

    Scheduled return visits

    The engineer returns every few months to take fresh readings and compare them against the original baseline measurements.

  4. 04

    Data review

    Once enough readings exist to show a pattern, the engineer writes a report stating whether repair is needed or the movement has stopped.

What happens after you send an enquiry

The details you provide go directly to a specialist firm operating in your part of Kent. They read the description and decide whether a site visit or monitoring is the appropriate response.

  1. The same day it is sent

    Your description arrives with the specialist firm covering your area of Kent, where an engineer reads it.

  2. Usually within two working days

    Someone from the firm calls or emails to discuss what you have seen and agree whether a visit is needed.

  3. Arranged by the specialist

    If monitoring is appropriate, the engineer schedules the first inspection at a time that suits you.

Questions about living through a monitoring period

Homeowners often worry that waiting means ignoring a problem. Monitoring is an active investigation, not a pause.

Can I redecorate while cracks are watched?
It is usually best to leave finishes untouched so the engineer can see the raw edges. Ask the visiting surveyor before painting over anything.
Does monitoring mean my insurer is stalling?
Insurers rely on the engineer's data to approve claims. Without several readings across different weather, they cannot confirm the cause or the correct repair method.
Will the instruments damage my walls?
Tell-tales and pins use small amounts of adhesive or shallow fixings. The engineer removes them cleanly once the monitoring period ends.
What if the crack grows quickly?
Report any sudden widening to the specialist firm immediately. They can bring forward a scheduled visit or assess whether urgent support is needed.

Tell us what you have noticed

Write down where the crack is, roughly how wide it looks, and when you first saw it. This goes straight to a specialist firm. It does not commit you to any work or payment.

  • No obligation to proceed
  • Goes to a local firm
  • Free to describe

What you send goes to one independent subsidence specialist for your area, and that specialist may pay this site once your enquiry has been passed on. There is nothing for you to pay us, you are welcome to seek quotations from other firms too, and our privacy notice has more on where your information goes.