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Our Local Plan has now been submitted for examination.

Development in Chalk Mining Areas

Using geological information and evidence gained, we have agreed policies for determining new developments in areas where there is a possibility of chalk workings.

This does not prevent new developments in Hatfield

The pdf icon map of chalk mines area of Hatfield [5MB] shows the areas currently identified, where chalk mining may have taken place. In these areas, there is often a technical solution required to overcome the issue, however, this may mean the planning applicant has to carry out a detailed report at their own expense.

In all cases, you may need to discuss the issue with your planning agent/builder.

For further information see the page on questions about chalk mining in Hatfield.

Planning application process in possible chalk mining areas of Hatfield

If you write to us for Pre-application Advice on your planning proposals we will carry out a risk assessment at that stage. It is recommended in all cases where proposed development overlies an identified area or its buffer zone, that advice is sought from a planning officer prior to submission.

The risk assessment will identify if the risk associated with your development is:

  • high: we will ask you to submit a geotechnical report with the planning application.
  • moderate: we will ask you, using a condition on the planning permission, to submit a report before the works start.
  • very low: you will be advised to ensure that a 'watching brief' is kept on the building works as they progress.

Following submission of your planning application, if the development is situated within an identified risk area, the planning officer will carry out a risk assessment. This is based upon the chalk mining hazard probability, the type of the development and access and services that might be affected. Different development proposals may result in differing risk level assessments. If the associated risk is high, a report will need to be submitted with the application.

The council will then make a decision on your application taking into account the risk identified.

  • In all cases, the responsibility and subsequent liability for safe development and secure occupancy of the site rests with the developer and/or landowner.
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