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This page provides the details of known data issues in the OS MasterMap Topography Layer - Building Height Attribute product. Once resolved, details will be held until the next release of the product.
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Corruption affecting seven tiles in the April release of OS MasterMap Building Height Attribute.
An issue has been identified with the below files in the April release of OS BHA:
NO0005.csv NO7075.csv NX6590.csv NZ9505.csv SE5080.csv SP5545.csv
NT2065.csv
These files have now been replaced for any new order submissions. However, if you received an April update order containing these files, or accessed the data between the 1st and the 10th of April, you may encounter an issue in loading these files.
To resolve this, the files can be reordered or resupplied on request. We apologise for any inconvenience caused and appreciate your understanding and cooperation.