Minerals Development Framework
Minerals planning is the duty of Hertfordshire County Council. In its role as Minerals Planning Authority, Hertfordshire County Council is required under the Planning and Compulsory Purchase Act 2004 to prepare a Minerals Development Framework.
Hertfordshire's Minerals Development Framework and Scheme can be found by following the link here:
Hertfordshire Mineral Development Framework
The Communities and Local Government website contains Minerals Planning Policy Statements and Minerals Planning Guidance Notes, should you require further information.