Planning Appeals UK: Process, Time Limits & Practical Guide

Planning appeals UK and planning permission appeal process

Planning Appeals UK: A Practical Guide to the Appeal Process

A planning refusal does not necessarily mean that a development proposal has reached the end of the road. In certain circumstances, an applicant can appeal a planning decision to an independent body rather than accepting the local planning authority’s decision.

Understanding planning appeals UK rules is important if your planning application has been refused, permission has been granted subject to conditions you consider unacceptable, or the local planning authority has failed to determine your application within the relevant period.

However, the appeal process is procedural and time-sensitive. The correct appeal route, deadline, evidence and procedure will depend on the type of application and the circumstances of the case.

This guide explains how planning appeals work, with the detailed procedural information focused on England. Planning is devolved, so Wales, Scotland and Northern Ireland have separate appeal systems and should not automatically be treated as having the same rules.

 

What Is a Planning Appeal?

A planning appeal is a formal process through which an applicant can challenge certain decisions, or failures to make decisions, by a local planning authority.

In England, planning appeals are generally handled by the Planning Inspectorate. Depending on the circumstances, an appeal may arise because:

  • Planning permission has been refused.

  • Permission has been granted subject to conditions that the applicant wishes to challenge.

  • The local planning authority has failed to determine the application within the applicable period.

  • An application for advertisement consent has been refused or has not been determined within the relevant period.

  • An application for listed building consent has been refused, granted subject to unacceptable conditions, or not determined within the applicable period.

  • An enforcement or other appealable planning decision has been issued.

The precise right of appeal depends on the type of application and the legislation governing it.

A planning appeal is different from a judicial review. A planning appeal generally allows the planning merits of an appealable decision to be considered, whereas a High Court challenge to a planning appeal decision is concerned with legal grounds rather than simply disagreeing with the planning judgment.

 

Who Can Appeal a Planning Decision?

For most planning permission appeals, the right of appeal belongs to the applicant, rather than to neighbours or members of the public who objected to the application.

For example, if you submitted a planning application and the council refused it, you may have a right of appeal.

By contrast, if you are a neighbour who objected to the application and the council subsequently granted planning permission, you do not normally have a general right to appeal the planning permission simply because you disagree with the decision.

A different legal route may sometimes be relevant where there is an arguable legal error in the decision-making process.

This distinction is important because a planning appeal and a legal challenge to planning permission are not the same procedure.

 

When Can You Appeal Planning Permission?

The circumstances in which an appeal may be available depend on the application and decision.

1. Planning Permission Has Been Refused

A refusal is one of the most common reasons for making a planning appeal.

The decision notice should explain the council’s reasons for refusal. These reasons provide an important starting point when deciding whether an appeal is appropriate.

2. Planning Permission Has Been Granted With Conditions

An applicant may also have a right of appeal where permission has been granted but conditions are considered unacceptable.

The appeal process can therefore concern not only whether permission should be granted, but also the conditions attached to it.

3. The Council Has Failed to Make a Decision

If the local planning authority does not determine an application within the applicable period, an applicant may be able to appeal against non-determination.

For a standard planning application, the normal statutory period is eight weeks from the day after the application is received, unless a longer period has been agreed in writing or another statutory period applies.

However, an applicant should consider carefully whether an appeal is appropriate before submitting one. In some cases, continuing discussions with the local planning authority or submitting further information may be preferable.

 

What Are the Common Reasons for Planning Refusal?

Understanding the council’s reasons for refusal is central to preparing a planning appeal.

Common issues can include:

Impact on Neighbouring Properties

The council may raise concerns about:

  • Loss of privacy

  • Overlooking

  • Overbearing development

  • Overshadowing

  • Loss of residential amenity

  • Noise or disturbance

The relevance and weight given to these matters will depend on the circumstances and applicable planning policies.

Design and Character

A proposal may be refused because of concerns about:

  • Scale

  • Height

  • Massing

  • Layout

  • Materials

  • Appearance

  • Relationship with surrounding development

  • Character of the area

Highway Safety and Parking

Planning applications can also encounter objections relating to:

  • Access

  • Visibility

  • Highway safety

  • Parking provision

  • Traffic generation

  • Pedestrian safety

Heritage and Environmental Issues

A proposal may raise concerns relating to:

  • Listed buildings

  • Conservation areas

  • Historic assets

  • Protected trees

  • Ecology

  • Flood risk

  • Landscape impact

  • Biodiversity

Conflict With Planning Policy

A local planning authority may conclude that a proposal conflicts with relevant development plan policies or national planning policy.

An appeal should therefore address the specific policy issues identified in the decision notice rather than simply repeat the original planning application.

 

What Types of Planning Appeals Are Available?

There are different types of planning appeal, including:

  • Householder planning appeals

  • Planning permission appeals

  • Minor commercial development appeals

  • Appeals against non-determination

  • Advertisement consent appeals

  • Listed building consent appeals

  • Enforcement appeals

  • Appeals concerning certain planning conditions or other appealable decisions

The applicable deadline and procedure can differ depending on the type of appeal.

For this reason, applicants should identify the correct appeal category before relying on a general planning appeal deadline.

 

Planning Appeal Time Limits in England

One of the most important parts of the planning appeal process is submitting the appeal before the statutory deadline.

For applications dated on or after 1 April 2026, the Planning Inspectorate’s current guidance provides, among other periods:

Appeal type General time limit
Householder planning application refusal 12 weeks from the decision notice
Minor commercial development refusal 12 weeks from the decision notice
Most other planning applications 6 months from the decision notice
Failure to determine most applications 6 months from the expiry of the authority’s decision period
Advertisement consent 8 weeks
Listed building consent Generally 6 months
Certain enforcement-related situations A shorter 28-day period may apply

These are general rules and exceptions can apply, particularly where enforcement action is involved. The Planning Inspectorate must receive the appeal and required documents within the applicable period.

Do not rely on a generic six-month deadline without checking the specific appeal type.

 

How to Appeal a Planning Decision

The planning appeal process in England can broadly be understood through the following stages.

Step 1: Read the Decision Notice

Start by examining the council’s decision notice carefully.

Identify:

  • Each reason for refusal

  • Any conditions being challenged

  • The relevant planning policies

  • Any technical concerns

  • The deadline for appeal

The officer’s report can also provide useful information about how the authority reached its decision.

Step 2: Decide Whether an Appeal Is Appropriate

An appeal is not automatically the best response to every refusal.

Consider whether the refusal could instead be addressed through:

  • A revised application

  • Amended plans

  • Additional technical information

  • Further discussions with the local planning authority

  • A fresh planning application

The Planning Inspectorate itself notes that where an applicant believes amendments could overcome the reasons for refusal, a new planning application may be appropriate.

Step 3: Review the Evidence Already Submitted

This step has become particularly important under the current England appeal procedures.

For many applications submitted from 1 April 2026, appeals initially follow the Part 1 written representations procedure. Under this procedure, the Inspector considers the application and evidence that was before the local planning authority, together with the decision notice and relevant representations. New material may be disregarded.

This means the appeal should not be treated as an opportunity to hold back important evidence until after the council has refused the application.

Step 4: Prepare the Appeal

The appeal should clearly identify why the decision should be changed.

Where relevant, address each reason for refusal separately.

A strong planning appeal will normally:

  • Identify the planning issue

  • Explain the relevant policy

  • Address the council’s reasoning

  • Refer to the submitted evidence

  • Explain why the proposal is acceptable in planning terms

  • Deal with any relevant material considerations

Step 5: Submit the Appeal

Appeals are generally submitted online through the Planning Inspectorate’s appeal service.

The appeal must be submitted within the applicable time limit and with the required supporting documents.

Step 6: Follow the Appeal Timetable

Once an appeal has been validated, the Planning Inspectorate will provide information about the procedure, appeal start date and timetable.

Missing procedural deadlines can affect whether documents are considered.

 

What Appeal Procedures Are Available?

The Planning Inspectorate uses three principal procedures:

Written Representations

Written representations involve the Inspector considering the written material provided by the relevant parties.

For many appeals, this is the standard route. Under the current system, most section 78 appeals relating to applications submitted from 1 April 2026 initially follow the Part 1 written representations procedure.

The Inspector will usually visit the site where appropriate.

Hearing

A hearing provides a structured opportunity for the Inspector to discuss the relevant issues with the parties.

Hearings may be appropriate where the issues would benefit from discussion or clarification but do not require the more formal testing of evidence associated with an inquiry.

Public Inquiry

An inquiry is the most formal of the three procedures.

It may involve detailed examination of evidence and, where appropriate, questioning of expert or other witnesses.

Inquiries are generally used for more complex cases where formal testing of evidence is considered necessary.

The Planning Inspectorate determines the appropriate procedure, although the appellant and local planning authority can express their views on the procedure.

 

What Evidence Is Needed for a Planning Appeal?

The evidence required will depend on the proposal and the reasons for refusal.

Potential evidence can include:

  • Architectural drawings

  • Site location plans

  • Design information

  • Transport or highways evidence

  • Flood risk assessments

  • Ecology reports

  • Arboricultural reports

  • Heritage assessments

  • Noise assessments

  • Landscape information

  • Photographs

  • Planning policy analysis

  • Relevant technical information

The important point is not simply to provide more documents. Evidence should directly address the planning issues raised by the refusal.

For appeals following the current Part 1 procedure, applicants should be particularly careful to ensure that relevant evidence is submitted during the original application process rather than assuming it can be introduced for the first time at appeal.

 

How to Prepare a Strong Planning Appeal

A useful planning appeal should be structured around the actual reasons for refusal.

Address Every Reason for Refusal

Do not focus only on the easiest objection.

If the council has identified three reasons for refusal, the appeal should deal clearly with all three unless one or more reasons are no longer being pursued.

Use Relevant Planning Policies

Explain how the proposal relates to the relevant development plan and national planning policy.

Avoid simply listing policies. Explain how the policies apply to the facts of the proposal.

Use Evidence to Support the Argument

Where a refusal raises a technical issue, appropriate professional evidence may be necessary.

For example, a highway objection may require transport or access information, while a heritage objection may require specialist heritage assessment.

Keep the Argument Focused

An appeal should not become a repetition of the entire planning application.

Focus on the matters that remain in dispute and explain why the refusal should be reconsidered.

Check the Appeal Procedure

The amount and type of information that can be submitted after the appeal is lodged will depend on the procedure.

For current Part 1 appeals, there is generally no opportunity to introduce a completely new case after submission.

 

Can You Add New Evidence at a Planning Appeal?

This is an important issue for applicants.

The answer depends on the appeal procedure.

For many appeals relating to applications submitted from 1 April 2026, the Part 1 procedure is based on the material already submitted to and considered by the local planning authority.

The Planning Inspectorate states that new evidence or arguments not previously submitted may be disregarded under this procedure.

Where an appeal is transferred to another procedure, the Inspectorate may provide an opportunity for further information to be submitted according to the applicable timetable.

The safest approach is therefore to ensure that the original planning application contains the evidence necessary to support the proposal.

 

How Long Does a Planning Appeal Take?

There is no single timeframe that applies to every planning appeal.

The current Planning Inspectorate performance targets indicate that it is working towards determining:

  • 98% of written representation appeals within 16–20 weeks

  • 98% of hearings within 24–26 weeks

  • 98% of inquiries within 24–26 weeks

These are performance targets rather than guarantees for an individual appeal, and the actual timeframe can depend on the complexity and circumstances of the case.

 

Can Neighbours Comment on a Planning Appeal?

Third parties can have an opportunity to participate in many planning appeals, although the opportunity depends on the procedure.

For current Part 1 appeals, there is generally no opportunity for interested parties to submit new representations at the appeal stage. Representations made during the original planning application are forwarded to the Inspector for consideration.

For other procedures, such as Part 2 written representations, hearings and inquiries, interested parties may have opportunities to submit comments according to the appeal timetable.

This makes it important for neighbours and community groups to submit relevant representations during the original planning application consultation.

 

What Happens After a Planning Appeal Decision?

The Inspector may allow or dismiss the appeal, depending on the circumstances.

Where permission is granted following an appeal, the decision may be subject to conditions or other planning requirements.

The appeal decision is published by the Planning Inspectorate.

If a party believes the appeal decision contains an error of law, the available challenge is different from simply disagreeing with the Inspector’s planning judgment.

A planning appeal decision can generally only be challenged through the High Court on legal grounds, subject to strict requirements and deadlines. The current Planning Inspectorate guidance identifies a six-week period for a High Court challenge to an appeal decision.

 

Planning Appeal vs Judicial Review

These two routes should not be confused.

Planning appeal Judicial review
Used for certain planning decisions and non-determinations Challenges the legality of a decision or decision-making process
Generally available to the applicant where a statutory appeal right exists May be available to a person with sufficient interest
Planning merits can be considered Focuses on legal error rather than simply the planning merits
Usually handled by the Planning Inspectorate Proceedings are brought through the courts
Subject to specific planning appeal deadlines Subject to judicial review rules and strict time limits

If planning permission has already been granted and you are a third party seeking to challenge the decision, it is particularly important to establish whether a judicial review or another legal route is applicable rather than assuming you can submit a planning appeal.

 

Common Planning Appeal Mistakes

Applicants can weaken an appeal by:

Missing the Appeal Deadline

Planning appeal deadlines are strict. A late appeal may not be accepted.

Failing to Address the Reasons for Refusal

Simply stating that the council was wrong is unlikely to provide a sufficiently structured planning case.

Introducing Important Evidence Too Late

Current England procedures place significant importance on the evidence submitted during the original application.

Ignoring Local Planning Policy

A proposal needs to be assessed against the relevant planning framework rather than relying solely on general arguments about why the development would be beneficial.

Submitting Excessive or Irrelevant Material

More documents do not necessarily create a stronger appeal. Evidence should be relevant, clear and connected to the planning issues.

Assuming an Appeal Is a Completely Fresh Application

An appeal is a formal planning procedure with its own rules and timetable. It should be prepared carefully from the outset.

 

Should You Appeal a Planning Refusal or Submit a New Application?

There is no universal answer.

The appropriate route will depend on why the application was refused, whether the proposal can realistically be amended, the evidence available and the applicable appeal rules.

A revised application may be appropriate where the proposal can be changed to overcome the council’s concerns.

An appeal may be appropriate where the applicant considers that the decision was incorrect on its planning merits or that the refusal can be addressed through the evidence and policy framework already available.

Professional planning and legal advice can help assess the available options before a deadline expires.

 

Frequently Asked Questions About Planning Appeals UK

How long do I have to appeal a planning refusal?

The deadline depends on the type of application. For applications dated on or after 1 April 2026, householder and minor commercial refusals generally have a 12-week appeal period, while most other planning applications have a six-month period. Advertisement consent appeals generally have an eight-week period. Exceptions can apply.

Can I appeal if the council has not made a decision?

Yes, in appropriate circumstances. This is known as an appeal against non-determination. The applicable deadline depends on the type of application. For most applications under the current England rules, the appeal must be received within six months from the expiry of the period the local planning authority had to determine the application.

Who deals with planning appeals in England?

Most planning appeals in England are handled by the Planning Inspectorate, which appoints Inspectors to determine appeals or, in certain recovered cases, makes recommendations to the Secretary of State.

Can I appeal a planning decision as a neighbour?

Generally, there is no general right for a neighbour to appeal simply because they disagree with a council’s decision to grant planning permission. However, other legal routes may potentially apply depending on the circumstances.

What is the most common planning appeal procedure?

Written representations are widely used. Under the current England system, most section 78 appeals concerning applications submitted from 1 April 2026 initially follow the Part 1 written representations procedure, although the Planning Inspectorate can transfer an appeal to another procedure where appropriate.

Can I submit new evidence at appeal?

It depends on the appeal procedure. For current Part 1 appeals, new evidence or arguments that were not before the local planning authority may be disregarded. Applicants should therefore prepare the original application carefully and provide relevant supporting evidence at the appropriate stage.

How long does a planning appeal take?

The timeframe varies. The Planning Inspectorate’s current performance targets are 16–20 weeks for 98% of written representation appeals and 24–26 weeks for 98% of hearings and inquiries. These are targets rather than guaranteed individual case deadlines.

Can a planning appeal decision be challenged?

A planning appeal decision can generally only be challenged through the High Court on legal grounds, rather than simply because a party disagrees with the planning judgment. Strict deadlines apply.

 

Conclusion

A planning appeal UK case requires more than simply disagreeing with a council’s decision. The applicant needs to understand the specific reason for refusal, identify the relevant planning policies, assess the evidence and comply with the applicable appeal procedure and deadline.

The rules have also evolved, particularly in England for applications submitted from 1 April 2026. The introduction of the Part 1 written representations procedure means applicants need to pay particular attention to the evidence and arguments submitted with the original planning application.

Before deciding whether to appeal, it is worth considering the refusal carefully and comparing the potential benefits of an appeal with alternatives such as a revised planning application.

Where the planning issues are complex, specialist advice can help identify the appropriate route, prepare the evidence and ensure that procedural deadlines are met.

 

Further Reading

For related planning issues, see:

 

Need Advice on a Planning Appeal?

If your planning application has been refused, granted subject to conditions, or has not been determined within the relevant period, Charrette Law can advise on the planning and legal issues involved.

Contact Charrette Law to discuss your planning appeal and the options available in your circumstances.

Speak with our expert team today and take the next step toward approval and completion.