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Viability Appraisal

Last updated October 29, 2026.

Local validation checklist code B15

  1. When you'll need to provide this
  2. What you'll need to include
  3. Why we need it

When you'll need to provide this

You may need to include this if you're submitting your planning application to either Swale or Maidstone borough councils.

For applications submitted to either Swale or Maidstone borough councils

These requirements apply to applications sumittted to either Swale or Maidstone borough councils.

Where viability is being used as a justification to depart from planning policy.

Typical proposals

The viability appraisal planning application requirement is typically needed when you're proposing to do any of the following:

Converting a building into homes; Change of use; Commercial development; Retail, restaurant or takeaway

What you'll need to provide

What you'll need to include in your application

For applications submitted to either Swale or Maidstone borough councils

Viability assessment produced by a competent assessor. In most circumstances this will need to be independently assessed at the cost to the applicant.

Why we need you to provide this

Why we need you to include this in your application.

For applications submitted to either Swale or Maidstone borough councils

Examples where a viability assessment would be required:

  • When not providing affordable housing in-line with the NPPF, NPPG and Local Plan
  • Change of use of community facilities where policy seeks retention
  • Change of use of rural buildings to justify not providing commercial re-use
  • Where employment policy restricts the change of use.