Blog
Scale bar basics: keep reviewers confident
Why every scaled floor plan needs a visible scale bar, how to label it, and where to place it for fast planning review.
A scale bar is the fastest way for reviewers to confirm the drawing matches the stated ratio. When it is clear, consistent, and placed in the same spot across pages, it removes doubt and reduces validation questions.
Why scale bars reduce validation questions
Planning teams need to verify dimensions without recalculating the entire drawing. A visible scale bar lets them measure immediately, even if the plan is printed or viewed at different sizes.
What reviewers look for
- A labeled bar with evenly spaced ticks.
- A scale ratio that matches the project requirements.
- A placement that is easy to find without covering the plan.
- Units that match the application (usually meters for UK planning).
Scale bar length and labeling
- Use a simple length like 1 m, 2 m, or 3 m.
- Keep tick spacing consistent and clearly labeled.
- Match the bar to the stated ratio so it stays accurate when printed.
Best placement in a submission
Bottom-left or bottom-right are reliable placements because the bar stays visible when plans are reviewed in stacks. Avoid placing it over the plan geometry itself and keep a small margin around it.
When the plan is for change of use
Change of use applications are often validated quickly, and missing or unclear scale bars can slow them down. If you are submitting for a short-term let or similar use case, keep the scale bar consistent across every drawing.