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Crime Geocoding Accuracy (3004_15)


Within my studies in GIS at the University of Nottingham I am doing a project that involves the analysis of recorded crime data of the West Midlands County.

In this respect, I would like to request the following information under the freedom of information act:

– Overall estimate (in percentage) of crime geocoding accuracy (crime location data accuracy) of the West Midlands County Police Force system.

– Estimate of geocoding accuracy (in percentage) for Burglary crime type of the West Midlands County Police Force system.

–  For Burglary crime type, geocoding accuracy estimates (in percentage) for the years 2011, 2012 and 2013.


Our data are not organised in such a way as to allow us to provide this information.

West Midlands Police does not record or monitor the accuracy of crime location recording.  Our crime recording database alone contains over three million crime records which would need to be researched in order to assist with this enquiry.

Please note that researching each individual case would exceed the appropriate limit (FOIA, s.12 (1)).

Therefore, the cost of compliance with your request is above the amount to which we are legally required to respond, i.e. the cost of locating and retrieving the information would exceed the appropriate costs limit under section 12 of the Freedom of information Act 2000. For West Midlands Police, the appropriate limit is set at £450, as prescribed by the Freedom of Information and Data Protection (Appropriate Limit and Fees) Regulations 2004, S.I. 3244.

A public authority which, in relation to any request for information, is relying on a claim that section 12 or section 14 applies must, within the time for complying with Section 1(1), give the applicant a notice stating that fact. In accordance with the Freedom of Information Act 2000, this letter acts as a refusal notice.

I am unable to suggest any practical way in which your request may be modified in order to satisfy your query or bring it within the 18 hours stipulated by the Regulations. I am however willing to consider any refinements that you are able to make to your request.


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