The Coal Authority licence applied to data supplied to businesses for internal purposes, such as mining hazard and risk analysis, asset management and hydrocarbon exploration companies.

All data sets will be subject to a minimum licence area of 1 kilometre squared. Discounts are available for licensing multiple data sets, larger areas and multi-year licences.

https://www.gov.uk/government/publications/coal-authority-data-set-prices-per-kilometre-square