Block Plan Requirements for Planning Applications

A licensed map base is only the starting point. The submitted block plan must add project-specific information so that the authority can understand the existing site, the proposed change and its relationship to the surroundings.

Evidence checked 18 August 2026 · Requirements vary by UK nation and planning authority

The block plan's distinct job

A location plan identifies the site in the wider area; a block plan explains the development within the site. In England, the location plan is the national minimum and other necessary drawings can be required to describe the proposal. Most physical building or layout projects therefore need a closer plan, but not every consent type uses an identical checklist.

Information to show where it is relevant

Show the proposed development in relation to the site boundaries and existing buildings, with written dimensions where they are needed to understand the layout. Add site features when they influence, or are affected by, the proposal.

  • Existing and proposed building footprints
  • Distances to relevant boundaries and nearby structures
  • Roads, paths, accesses, parking and turning
  • Public rights of way
  • Trees and landscape features
  • Hard surfacing, walls, fences and other boundary treatment
  • North, ratio scale, scale bar, paper size and drawing revision

Existing and proposed presentation

Use separate existing and proposed plans or a clearly organised comparison where the authority permits it. Both views should use the same orientation, scale and crop so that changes can be compared directly. Distinguish retained, removed and new features with a key that remains legible in monochrome as well as colour.

Scotland, Wales and Northern Ireland publish their own guidance or local requirements. Even familiar 1:200 and 1:500 conventions should be checked against the authority receiving the application.

Use dimensions and survey information proportionately

Written dimensions should locate the proposed footprint and define relationships that matter to the assessment, including distances to relevant boundaries and buildings. A topographic base does not supply reliable building measurements, levels or exact legal-boundary positions merely because it is printed at a recognised scale.

Use a measured survey where the design depends on tight clearances, sloping land, drainage, retaining structures, tree positions or construction setting-out. Identify the source and date of the existing-site information so that it is not confused with the proposed design.

Coordinate the block plan with the full pack

The location plan, block plan, floor plans, elevations, roof plan and specialist drawings should describe the same proposal. Before issue, compare footprint, access, parking, window positions, levels and boundary changes across every drawing that shows them.

  • Use one verified application boundary
  • Keep the project title and address identical
  • Give each drawing a unique number and revision
  • Remove superseded versions from the upload set
  • Recheck the ownership certificate if the site extent changes

Local requirements may differ. Check the current validation list for your planning authority before submitting.

Evidence checked 18 August 2026

Official sources and further reading

Planning requirements differ across the UK. The scope label on each source shows where it applies; always use the current rules for the authority receiving the application.

Questions people also ask

Is a block plan required for every planning application?

No universal UK rule says so. It is commonly necessary for building or layout proposals, while some application types require a different or narrower document set.

What is the normal block-plan scale?

1:500 and 1:200 are common choices. Use the scale that shows the required detail and follows the authority's checklist.

Does a purchased map already show my proposal?

Not unless the product includes design work. A base map normally needs the proposed footprint and other application-specific information added by the applicant or designer.

Must the red line be repeated on the block plan?

England's national guidance expressly places the red application boundary on the location plan. A local checklist may also expect a site boundary on the block plan; if it is shown, it must match the location plan.

Ready to create your planning map?

Search by postcode or address, choose the scale and coverage, add your application boundary and download from UKPlanningMaps.com. For help with an unusual site, call 01856 898 022.

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