Hi Hywel. You might want to check this out with your Legal services but here we use a planning condition: Unless otherwise agreed in writing by the Local Planning Authority, no works shall be carried out under this planning permission unless and until all parties with any legal or equitable interest in the land comprising the application site have entered into an Agreement pursuant to Section 106 of the Town and Country Planning Act 1990 in the terms set out in the proposed Section 106 Agreement annexed to this permission, and the title to such land has been properly deduced to the Council. & then attach to the decision notice a draft S106 Agreement ready for completion/signing
