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East Yorkshire · Subsidence Risk

Subsidence risk in Kingston upon Hull: what to check before buying

Hull bedrock is Cretaceous Chalk under thick glacial till and post-glacial alluvium. Most of the city is built on the alluvium. Geology is mechanically stable; the bigger ground-stability issue is post-glacial settlement of soft alluvial deposits over time.

Last updated: 24 August 2026. Editorially reviewed: 20 May 2026.

Subsidence index rank

Kingston upon Hull ranks #23 of 46 in the UK Subsidence Risk Index

Clay band
Moderate
Mining significance
Limited
Primary driver
Soft alluvial ground

Kingston upon Hull ranks #23 of 46 in the UK Subsidence Risk Index, sitting in a moderate shrink-swell susceptibility band on the BGS-derived scale used to build the ranking.

Historic mining has limited documented influence in Kingston upon Hull; the primary driver below is the main factor to watch.

For Kingston upon Hull, soft alluvial (river-deposited) ground is the dominant local driver, in line with the "Soft alluvial ground" classification the index assigns to the area.

See the full 46-city ranking or explore the UK subsidence map. This is a city-wide index, not an address-level result — check the specific property separately before offering.

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BGS clay susceptibility for Kingston upon Hull

BGS GeoSure rates clay shrink-swell susceptibility as moderate across Hull. The dominant ground-movement story is gradual settlement of soft post-glacial deposits rather than classical clay shrink-swell.

BGS GeoSure publishes shrink-swell susceptibility ratings at 1:50,000 scale, covering Great Britain as a premium local-level product. Conveyancing environmental searches can combine licensed ground-stability data with mining and contamination layers for property-focused due diligence.

Source boundary: MyPropertyScan's instant scanner does not query parcel-level GeoSure. It uses public BGS Engineering Geology at 1:1 million scale as a directional indicator; obtain GeoSure or a conveyancing search separately.

Trees, drainage and other risk factors in Kingston upon Hull

Trees in proximity to foundations are a moderate risk. The bigger property issue in Hull is foundation movement on soft alluvium, particularly on older properties with shallow strip foundations.

Three checks the survey should cover:

Mining-era subsidence in Kingston upon Hull

No significant historic coal mining in or near Hull. The Coal Authority CON29M is generally not required.

What subsidence means for your mortgage and insurance

Lenders treat historic, stabilised subsidence as standard if there is a structural engineer's report and any underpinning is documented. Active subsidence triggers retentions, specialist insurer placement, and in some cases lender refusal until remediation is complete and stable.

Insurance is the bigger ongoing constraint. A property with a prior subsidence claim sits in a constrained insurer market. The existing insurer typically continues cover but new business placement is harder. Disclosure of any prior claim is required on the seller's TA6 form.

How to check your specific address

City-wide context is orientation. Per-address checks before offer:

  1. 1Obtain address-specific ground susceptibility through a conveyancing environmental search or licensed BGS GeoSure shrink-swell data. GeoSure is a premium 1:50,000 product.
  2. 2Order a Coal Authority CON29M report if the property is in a historic coalfield boundary. Your conveyancer arranges this.
  3. 3Read the TA6 form for any prior subsidence claim, structural movement, or insurance involvement.
  4. 4Commission a RICS Level 3 (Building Survey) for any property over 60 years old in a high-clay-susceptibility area.

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Directional BGS 1:1 million engineering geology, building age, tree context and the things to ask your surveyor.

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Frequently asked questions

Is subsidence common in Kingston upon Hull?

Hull bedrock is Cretaceous Chalk under thick glacial till and post-glacial alluvium. Most of the city is built on the alluvium. Geology is mechanically stable; the bigger ground-stability issue is post-glacial settlement of soft alluvial deposits over time. BGS GeoSure rates clay shrink-swell susceptibility as moderate across Hull. The dominant ground-movement story is gradual settlement of soft post-glacial deposits rather than classical clay shrink-swell.

Will subsidence affect my mortgage in Kingston upon Hull?

Lenders treat historic, stabilised subsidence as standard if a structural engineer's sign-off is in place. Active or progressive subsidence triggers retentions, specialist insurer placement, and in some cases lender refusal until remediation is complete.

What should the survey cover for subsidence in Kingston upon Hull?

Trees in proximity to foundations are a moderate risk. The bigger property issue in Hull is foundation movement on soft alluvium, particularly on older properties with shallow strip foundations. The surveyor should record any cracks (BRE Digest 251 categories), assess proximity of trees and drains, and recommend a structural engineer's report where category 2+ cracking or active movement is suspected.

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How MyPropertyScan produces this guide, and what it is not

Published by MyPropertyScan and written by , who is accountable for its accuracy. No page here is written or reviewed by a chartered surveyor, conveyancer or regulated adviser, and we do not claim otherwise.

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Figures and process steps come from the published UK datasets and standards listed on this page, not from professional practice. Pages are updated when source coverage, survey cost assumptions, or lender and legal requirements materially change. Dataset limitations are set out on the methodology page.

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Sources used

We use UK public and specialist sources where they are available. Public datasets can be incomplete, delayed, or missing for some addresses. Treat them as a starting point, not as a replacement for professional advice.

Source standard: preference goes to official government datasets, statutory bodies, professional standards, and primary dataset publishers. We cite the source family on the page and explain coverage limits rather than filling gaps with unsupported estimates.

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