Blog
Change of use planning applications: drawing requirements explained
Understand which change of use planning drawings are mandatory, how scaled floor plans differ from site and location plans, and how to avoid validation delays.
Change of use planning applications often look simple, but they are frequently delayed because the drawings pack is incomplete or unclear. If you are converting a property to a short-term let or another use class, you will usually need a scaled floor plan alongside the standard plans.
What counts as a change of use
A change of use happens when a property shifts from one use class to another or moves into a category that requires planning consent. Common examples include converting a home to a short-term let, switching from retail to residential, or changing a commercial unit into office space.
Mandatory drawings for change of use
- Existing and proposed floor plans at a recognized scale.
- Location plan showing the site in context.
- Site plan or block plan with boundaries and access.
- Any elevations if external changes are proposed.
Why internal layout matters even without building works
Councils review whether the new use is practical and compliant. Room sizes, circulation, and access all influence that decision. Even if you are not changing the structure, a clear internal layout is still required to validate the application.
Scaled floor plan vs location plan vs site plan
- Scaled floor plan: internal layout at 1:50 or 1:100 with a scale bar.
- Location plan: wider context, usually 1:1250 or 1:2500.
- Site plan: property boundary, access, and parking, often 1:200 or 1:500.
Each plan serves a different validation purpose, so missing one can pause the application.
STR-specific considerations
- Demonstrate sleeping capacity and room sizes clearly.
- Show circulation paths and access points.
- Keep the plan legible for quick validation.
- Use a consistent scale across the submission pack.
Real-world validation pitfalls
- Submitting a marketing plan marked not to scale.
- Missing scale bars or stated ratios.
- Inconsistent floor plans between existing and proposed layouts.
- Low-resolution drawings that cannot be measured.
- Mismatched boundaries between the floor plan and site plan.