Phasing plans - Planning validation requirements

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Planning document information


A phasing plan describes the timings of when each stage of your development will be completed. 


A phasing plan is needed for all major development applications where the: 

  • development is to be built out in phases rather than in one go 
  • development is for mixed use 
  • development includes community benefits 

You can get help and advice from our Duty Planner on phasing plans and other types of planning applications. 

You can get detailed feedback on your proposal by using our pre-application advice service

Personal and confidential statement 

We may publish any information you submit as part of your application. You must tell us if there is any information you do not want us to publish when you submit your application.  

If however, we believe that this information is in the public interest, we reserve the right to publish it.  

We may also decide parts of your submission are not in the public interest and may redact this information. This information may include telephone numbers, email addresses and signatures. 

When you need to submit this information

Depending on the details of your application, you may have to submit a contamination risk assessment when you are making an application for: 

If your application is for one of these types of planning permission, you need to submit a phasing plan if your proposal is for a major development that: 

  • is to be built out in phases rather than in one go  
  • is for mixed use 
  • includes community benefits 
Validation requirements

Required by 

  • National requirement. You can find details of this requirement in section 12 of the National Planning Policy Framework 
  • Local requirement. You can find details of this requirement in: 
  • Local plan policy - LPP1
  • Local plan policy - LPP52

These policies can be found in the Local Plan 2013 - 2033 document