Specialist advice on agricultural building reuse.
Advice on Class R flexible commercial uses and the more limited Class S route for qualifying agricultural buildings in England.
Defined professional scope · Fee estimate before instruction

Classes R and S sit within the English permitted development regime for changes involving agricultural buildings. Their purposes, limitations and procedures differ, so the proposed use and building history require careful review.
Class R: flexible commercial use
Class R can allow qualifying agricultural buildings in England to change to specified flexible uses, subject to the current statutory limitations, conditions and procedural requirements. It is not a general permission for every commercial proposal.
Class S: a specific route
Class S concerns qualifying agricultural buildings changing to a state-funded school use. It is a specialised provision and is only relevant where the proposed use and all statutory requirements align.
Current rules and site facts
Permitted development legislation changes. Prism Ag Rural Planning checks the current wording, site history and proposed use before advising whether a prior approval route or full planning application should be pursued.
Evidence first.
Then the planning route.
Submit the site and case detailsProvide the proposal, history, planning references, available documents and deadlines.
Define the required reviewWe identify whether a paid consultation, feasibility study or broader instruction is suitable.
Receive a fee estimateThe professional scope, responsibilities and fee estimate are set out before work starts.
Technical questions about class r & class s permitted development.
Each matter is assessed on its own planning facts. Detailed advice is provided under a paid consultation or agreed professional instruction.
Make a Planning EnquiryIs Class R available for any business use?
No. It applies to specified flexible uses and remains subject to statutory limitations, conditions and procedural requirements.
What does Class S cover?
Class S is a specific English permitted development route involving qualifying agricultural buildings and state-funded school use. It is not a general rural business conversion route.
Can building works be included?
The extent of any permitted works depends on the relevant class and proposal. Required operational development may need a separate planning application.
Why is an initial review important?
Building history, use, location, previous development and the intended use can all determine whether a permitted development route is available.
Need advice on a
rural planning matter?
Submit the site, proposal, planning history and relevant deadlines.
We will identify whether a paid consultation or scoped instruction is appropriate.
