If you are looking for energy industry data, the NSTA (formerly OGA) provides comprehensive "zipped" data packages for offshore and onshore mapping.
: If you are trying to access member-only data on the NSSTA website , ensure you are logged in. Download NSSTA zip
: Large data archives from the NSTA can be several hundred megabytes; ensure you have a stable connection. To help you find the exact file, could you tell me: If you are looking for energy industry data,
If you are attempting to download a specific "NSSTA zip" and encountering issues: Download NSSTA zip
: Zipped files for onshore oil and gas activity are available in British National Grid (BNG) format.