How to Appeal a Planning Decision

You can appeal a planning refusal to the Planning Inspectorate (PINS) within 6 months of the decision date (12 weeks for householder appeals), and the appeal is free to submit. Around 30% of appeals succeed nationally, with householder appeals having a slightly higher success rate. An independent planning inspector will reconsider your application from scratch, and you can submit new evidence. This guide explains who can appeal, the deadlines, the three appeal methods, and how to maximise your chances of success.

Who Can Appeal?

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Key Planning Appeal Statistics (England, 2024)

• ~30% of appeals allowed nationally (Planning Inspectorate Annual Report)
• Average appeal decision time: 27 weeks
• Written representations: 4-8 months | Hearing: 6-10 months | Inquiry: 12+ months
• Appeal deadline: 6 months (standard) or 12 weeks (householder)
• Submitting an appeal: free of charge
• Cost awards against councils: uncommon but available for unreasonable behaviour

What is the Planning Inspectorate (PINS)? The Planning Inspectorate is an independent government body that handles planning appeals in England. When a local council refuses planning permission, the applicant can appeal to PINS, where an independent inspector will reconsider the application from scratch. PINS also handles enforcement appeals, called-in applications, and nationally significant infrastructure projects.

This is the first thing that surprises people: only the applicant (or someone acting on their behalf) can appeal a planning decision. If you objected to your neighbour's extension and the council approved it, you have no right of appeal.

This can feel deeply unfair, but the logic is straightforward. The applicant has been refused something and is seeking a review. An objector who "lost" because the council approved the scheme was never the decision-maker — they were a consultee. Their views were heard, but the decision rests with the planning authority.

What Can You Appeal?

Under Section 78 of the Town and Country Planning Act 1990, you can appeal against:

• Refusal of planning permission — the council said no
• Conditions attached to a permission — the council said yes, but with conditions you consider unreasonable
• Non-determination — the council failed to decide within the statutory period (8 weeks for minor/householder, 13 weeks for major) and you haven't agreed an extension of time

You can also appeal certain other decisions, including refusal of listed building consent (Section 20 of the Planning (Listed Buildings and Conservation Areas) Act 1990), refusal of advertisement consent, and enforcement notices (Section 174 of the TCPA 1990) — though enforcement appeals have their own distinct procedures and timescales.

The Planning Inspectorate (PINS)

Appeals are decided by the Planning Inspectorate (PINS), an executive agency sponsored by the Ministry of Housing, Communities and Local Government. PINS is independent of the local council — the inspector who decides your appeal has no connection to the council that refused your application.

The inspector will consider the application afresh, applying the same legal framework (the development plan, material considerations, national policy) but reaching their own independent conclusion. They are not simply reviewing whether the council made a reasonable decision — they are making their own decision on the planning merits.

How PINS Works

Once you submit your appeal:

1. PINS validates it (checks it's complete and within time)
2. PINS notifies the council (the local planning authority, or LPA)
3. The council prepares a statement of case explaining their reasons for refusal
4. Interested parties (including neighbours who commented on the original application) are notified and can submit representations
5. The inspector considers all the evidence and issues a decision letter

The decision letter is a detailed, reasoned document explaining the inspector's conclusions on each main issue. It's a public document and becomes part of the planning history for the site.

Three Types of Appeal

PINS offers three appeal procedures, in ascending order of formality and cost:

1. Written Representations (Most Common)

This is the default procedure for straightforward appeals — householder applications, minor developments, and cases where the issues are clear-cut.

How it works:

• Both parties (you and the council) submit written statements setting out your case
• Interested parties can submit written comments
• The inspector considers all the documents and visits the site (usually unaccompanied)
• No hearing or oral evidence — everything is on paper

Advantages: Fastest, cheapest, least stressful. Typically decided within 4-6 months from submission.

When it's used: Most householder appeals and many minor application appeals. If the issues are factual and the evidence speaks for itself, written representations are ideal.

2. Hearing

A step up from written representations, involving an informal, round-table discussion led by the inspector.

How it works:

• Written statements are submitted in advance (as with written representations)
• The inspector then holds a hearing — typically a half-day or full-day session
• It's a structured discussion, not adversarial. The inspector asks questions, and both parties respond
• Third parties (e.g., objectors) can attend and may be invited to speak
• No formal cross-examination

Advantages: Allows the inspector to explore issues in depth and test the evidence through discussion. More personal than written representations.

When it's used: Cases where the issues are complex enough to benefit from discussion but don't require formal evidence testing. Examples: disputes about design quality, the weight to give to heritage impact, or the adequacy of highway evidence.

Timescale: Typically 6-9 months from submission to decision.

3. Public Inquiry

The most formal procedure, conducted like a court hearing.

How it works:

• Opening statements from both parties (often through barristers or solicitors)
• Witnesses give evidence under oath and are cross-examined
• The inspector manages the proceedings and asks their own questions
• Third parties can appear, sometimes with their own legal representation
• The inquiry may last several days or, for major schemes, several weeks

Advantages: The most thorough procedure. Allows full testing of evidence, including expert witnesses. The inspector hears directly from all parties and can assess credibility.

When it's used: Major developments, cases raising complex legal or policy issues, significant public interest cases, and cases where conditions or Section 106 obligations are disputed. Also used where the council or a third party requests it and PINS agrees the case warrants it.

Timescale: 9-18 months or longer. Inquiries are resource-intensive for everyone involved.

Cost: Inquiries are expensive. Professional representation (barrister, planning consultant, expert witnesses) can easily cost £10,000-£50,000+ for the appellant. Councils bear their own costs too.

Time Limits for Appeals

Missing the appeal deadline means losing your right to appeal. There are no extensions.

The householder 12-week deadline is the one that catches people most often. It's much shorter than the standard 6-month window and reflects the government's desire to fast-track householder appeals.

How to Submit Your Appeal

Appeals are submitted through the Planning Inspectorate's Appeals Casework Portal (acp.planninginspectorate.gov.uk). You'll need:

• The planning application reference number
• The decision notice (or evidence of non-determination)
• The original application form and plans
• Your statement of case — a written argument explaining why the council's decision was wrong and the development should be approved
• Any supporting documents (additional evidence, expert reports, etc.)

For householder appeals using the written representations procedure, the process is streamlined — you fill in an online form and upload your documents. It's designed to be accessible without professional help, though many applicants still use planning consultants.

Costs Awards

This is the aspect of appeals that creates the most anxiety — and rightly so. The inspector can award costs against either party if they have behaved unreasonably and caused the other party to incur unnecessary or wasted expense.

When Costs Are Awarded Against the Council

The inspector may award costs against the council (meaning the council pays the appellant's appeal costs) if:

• The council refused the application without clear, precise, and substantiated reasons
• The reasons for refusal are not supported by evidence
• The council failed to produce evidence to support its case at appeal
• The council acted contrary to its own officer's recommendation without adequate planning reasons
• The council imposed unreasonable conditions that it couldn't defend at appeal

When Costs Are Awarded Against the Appellant

The inspector may award costs against you if:

• You appealed a decision that was clearly in line with the development plan and you provided no material considerations to justify departure
• You failed to substantiate your case with evidence
• You caused unnecessary delay or procedural waste

Partial Costs

Costs awards can be full or partial, reflecting only a portion of the other party's costs. In practice, successful costs applications most commonly arise where the council refused against officer advice and couldn't justify the decision at appeal.

Costs awards are not automatic — they must be applied for, usually at the start of the appeal or hearing/inquiry. If you think the council behaved unreasonably, apply for costs. If you're worried the council might seek costs against you, make sure your appeal is well-evidenced and your case is credible.

Section 78 Appeals vs Enforcement Appeals

It's important to distinguish between Section 78 appeals (against a planning decision) and Section 174 appeals (against an enforcement notice).

Section 78 — Against a Decision

You applied for permission, the council refused (or imposed unreasonable conditions, or didn't decide in time), and you're asking the inspector to overturn that decision.

Section 174 — Against Enforcement

The council has issued an enforcement notice alleging a breach of planning control (e.g., you built without permission, or in breach of conditions). You're challenging the notice.

Section 174 appeals have their own grounds, set out in the Act. You can argue:

• (a) Planning permission should be granted for what's been done
• (b) The matters alleged haven't occurred
• (c) The matters don't constitute a breach of planning control
• (d) It's too late to enforce (the 4-year or 10-year time limit has passed)
• (e) The notice wasn't properly served
• (f) The steps required are excessive
• (g) The compliance period is too short

Enforcement appeals are more complex and carry higher stakes — failure to comply with an enforcement notice is a criminal offence.

Appeal Success Rates

Nationally, roughly 30-35% of planning appeals are allowed (i.e., the inspector overturns the council's decision). This varies by:

• Appeal type: Householder appeals tend to have a slightly higher success rate than major development appeals
• Local authority: Some councils have significantly higher overturn rates, suggesting patterns of unreasonable decision-making
• Procedure: Written representations and hearings have broadly similar success rates; inquiries vary more because of the complexity of the cases involved

A 30-35% success rate means most appeals fail. This isn't because the system is stacked against appellants — it's because most council refusals are based on sound planning reasons. The appeals that succeed tend to be ones where the council made a marginal or poorly-evidenced decision.

PlanWatch tracks appeal decisions alongside planning applications, helping you understand patterns and outcomes in your area — useful context when deciding whether to appeal.

Is It Worth Appealing?

Consider:

• How strong are the reasons for refusal? If they're based on clear policy conflicts and supported by evidence, your appeal is an uphill battle.
• Was the officer's recommendation overturned by committee? If the officer recommended approval and the committee refused, this significantly strengthens your appeal — and may support a costs application.
• Can you address the concerns? Sometimes a revised scheme (submitted as a new application) is faster and cheaper than an appeal.
• Can you afford the time and cost? Even a written representations appeal takes months. A hearing or inquiry adds cost and complexity.

What Happens After the Appeal Decision

If the Appeal Is Allowed

The inspector grants planning permission (or listed building consent, etc.). The permission may include conditions — the inspector can impose their own conditions, which may differ from those the council proposed.

The council must comply with the inspector's decision. It becomes part of the planning history for the site and has the same legal status as if the council had granted permission.

If the Appeal Is Dismissed

The refusal stands. You can:

• Submit a new application addressing the inspector's concerns (there's no limit on how many times you can apply)
• Accept the decision and move on
• In very limited circumstances, challenge the decision through judicial review (see below)

Judicial Review: The Last Resort

If you believe the inspector's decision was legally flawed — not that they got the planning judgement wrong, but that they made an error of law — you can apply for judicial review in the High Court.

This is also the only route available to third parties (such as objectors) who disagree with either the council's original decision or the inspector's appeal decision.

Grounds for Judicial Review

• The decision-maker failed to take a material consideration into account
• The decision-maker took an immaterial consideration into account
• The decision was irrational (no reasonable decision-maker could have reached it — a very high bar known as "Wednesbury unreasonableness")
• There was a procedural unfairness (e.g., the inspector didn't give a party a fair opportunity to be heard)
• The decision-maker misinterpreted the law

Practicalities

• You must apply within 6 weeks of the decision (for planning decisions; the standard judicial review period is 3 months, but planning has a shortened timescale under Section 288 of the TCPA 1990)
• You need the court's permission to proceed (a "permission stage" where a judge decides if your case is arguable)
• Legal costs are significant — typically £10,000-£50,000+ even for a straightforward case
• If you lose, you'll normally pay the other side's costs too
• Judicial review can quash the decision and send it back for reconsideration, but the court won't substitute its own planning judgement

Judicial review is not a second appeal. It's a check on legality, not planning merits. Very few cases succeed, and the financial risk is substantial. Take professional legal advice before pursuing this route.

Frequently Asked Questions

Can my neighbour appeal if the council refuses their application and I'm glad about it?

Your neighbour (the applicant) can appeal, and you'll be notified and given the opportunity to submit representations to the inspector. Your original objection will also be considered. If the inspector allows the appeal, the scheme is approved — there's nothing further you can do through the planning system (though judicial review remains a theoretical option on legal grounds only).

Can I appeal against conditions rather than the whole refusal?

Yes. If the council granted permission but attached conditions you consider unreasonable, you can appeal specifically against those conditions under Section 78. However, be aware that the inspector can reconsider the entire application — there's a small risk they could refuse it altogether, though this is rare and inspectors will usually warn you.

How long does the whole process take?

Written representations: typically 4-6 months from submission. Hearings: 6-9 months. Inquiries: 9-18 months or more. These are averages — complex cases or periods of high demand at PINS can cause delays.

Do I need a planning consultant or solicitor?

Not legally, but practically it depends on the complexity. For a straightforward householder written representations appeal, a competent applicant can handle it themselves. For hearings and inquiries, professional representation is strongly advised. Planning consultants can help with the statement of case, and solicitors or barristers may be needed for inquiries and costs applications.

What's the difference between an appeal and a new application?

An appeal asks an inspector to overturn the council's decision. A new application starts the process again with the council, potentially with a revised scheme. A new application is often faster (8 weeks vs several months for an appeal) and allows you to address the reasons for refusal directly. Many planning consultants advise submitting a revised application at the same time as lodging an appeal — if the new application is approved, you can withdraw the appeal.

Summary

The planning appeal system exists to ensure fairness — giving applicants a right of independent review when their council refuses permission or imposes unreasonable conditions. It's a well-established process with clear rules, and around a third of appeals succeed.

The key things to remember: only applicants can appeal, time limits are strict and non-negotiable, choose the right procedure for your case, and be realistic about your chances. A well-evidenced appeal against a poorly-reasoned refusal has a strong chance of success. An appeal against a well-justified refusal based on clear policy conflicts is likely to fail — and could result in a costs award against you.

If in doubt, take professional advice before committing to an appeal. And whatever you decide, act quickly — those deadlines wait for no one.

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Further Reading

Related Guides

• planning enforcement when rules are broken
• The Planning Permission Process: A Complete Guide
• What Are Material Planning Considerations?
• New Housing Development Proposed Near Me — What Can I Do?
• Planning Application for a Phone Mast Near My Home

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The appeals process differs across the UK. England and Wales use the Planning Inspectorate (PINS), while Scotland has its own system through the DPEA.

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