Planning Appeal Process: Written Representations, Hearing and Inquiry Procedures, Timescales and Success Rates

Summary

A planning appeal is the formal mechanism for challenging a planning refusal (or failure to determine an application within the statutory period). For builders and tradespeople, appeals most often arise when a client's extension or development has been refused planning permission and they want to challenge the decision.

The appeal system is intended to be accessible without professional representation, but in practice, complex or high-value appeals benefit from using a planning consultant or solicitor. For straightforward householder appeals (refused extensions, refusals based on size), a well-structured Written Representations appeal drafted by the client or contractor can succeed.

Understanding the process helps tradespeople advise clients on realistic timelines and chances of success — a key piece of intelligence when deciding whether to appeal, modify the scheme and reapply, or accept the refusal.

Key Facts

• Deadline — Householder appeals (domestic): 12 weeks from refusal. Full planning appeals: 6 months. Enforcement notice appeals: specific notice deadline.
• Free to submit — Planning appeals are free to submit. Professional fees for representation are separate.
• Who decides — A Planning Inspector appointed by the Planning Inspectorate (an executive agency of the Ministry of Housing). Inspectors are independent of the LPA.
• Success rates — England overall: approximately 35% of appeals allowed. Householder appeals: slightly higher (~40%). Major development appeals: lower (30–35%).
• Costs awards — If either party behaves unreasonably (LPA refuses without good reason; appellant submits spurious appeal), costs can be awarded against the unreasonable party. This is a deterrent on both sides.
• Time limits for appeals — After a planning refusal: 12 weeks (householder), 6 months (full planning application). The submission must be made before the deadline — appeals submitted late are invalid.
• LPA's reasons for refusal — The Inspectorate assesses the appeal against the reasons given by the LPA. If the LPA's reasons were wrong or inadequately evidenced, the Inspector can allow the appeal.
• Unilateral Undertakings (s.106) — On larger appeals, the appellant may offer a planning obligation (Section 106 agreement or Unilateral Undertaking) to address LPA concerns. Not applicable to most householder appeals.

Quick Reference Table

Detailed Guidance

Is an Appeal Worth It?

Before submitting, assess whether the appeal is likely to succeed:

Factors favouring appeal:

• LPA refused on grounds that conflict with their own Local Plan policies
• The officer's report recommended approval but the committee overruled it
• Comparable developments nearby were approved without similar conditions
• The LPA's reasons are vague ("out of character", "excessive bulk") without specific policy references

Factors against appeal:

• The development genuinely conflicts with a Local Plan policy the Inspector will uphold
• The LPA raised multiple clear policy reasons and all are well-founded
• Neighbouring properties have objected strongly (Inspectors are not bound by this but note it)
• Design is genuinely out of character with a well-characterised area

Pre-appeal option: Before appealing, consider submitting a revised application (free for most householder applications within 12 months of refusal) addressing the LPA's reasons. This is faster (8–10 weeks) than an appeal (9–12 months) and avoids the uncertainty of the appeal result.

Procedure 1: Written Representations

Used for: most householder appeals, minor commercial applications, cases where the Inspector can assess the development primarily from documentation.

Process:

1. Submit appeal online via the Planning Inspectorate portal (appeals.planninginspectorate.gov.uk)
2. Submit questionnaire and any supporting documents
3. LPA submits questionnaire and their reasoning
4. Both parties submit final statements (typically 6 weeks after appeal validation)
5. Inspector conducts a site visit (unaccompanied or accompanied)
6. Inspector issues decision (typically 20–26 weeks from validation)

Documents to prepare:

• Statement of case: factual description of the proposal; reasons why the refusal was wrong; policy references
• Supporting photographs: site context, neighbouring properties, existing conditions
• Plans: approved drawings plus any amendments you offered to make
• Technical reports: if needed (daylight/sunlight, ecology, heritage)

For straightforward householder appeals: the statement of case can be drafted by the homeowner or contractor. It should be focused on the specific reasons for refusal and methodically rebut each with reference to LPA policies and planning appeal decisions (which are public and searchable).

Procedure 2: Hearing

Used for: cases where oral discussion of key issues would help; more complex policy questions; cases where the Inspector wants to explore specific points with both parties.

Process:

1. Submit appeal (as above)
2. PINS confirms hearing procedure
3. Hearing date set; both parties submit statements of case in advance (deadlines set by PINS)
4. Inspector conducts hearing: informal round-table discussion. Not cross-examination (that is an Inquiry). Inspector leads the discussion around the main issues.
5. Site visit (usually on same day or following day)
6. Decision issued (typically 8–12 weeks after hearing)

Cost: Professional representation at a hearing is usually worth the investment. Hearings are more effective when the appellant can engage directly with the Inspector's questions about policy interpretation, daylight calculations, heritage significance, etc.

Procedure 3: Inquiry

Used for: major planning applications, high-value projects, cases involving significant public interest or legal complexity.

Not typically used for: householder/domestic appeals (these are almost always Written Representations or, occasionally, Hearing).

Inquiries involve formal evidence presentation, witnesses in chief, cross-examination of expert witnesses, and legal argument. Legal representation is standard.

Grounds for Appeal

The Inspector assesses the appeal against the development plan policies. Common grounds for allowing householder appeals:

1. Design acceptability — LPA claimed harm to character; appellant shows development matches the scale and material palette of the street
2. Proportionality — LPA refused an extension that is consistent with similar extensions approved in the locality
3. Policy compliance — LPA relied on a policy that does not apply to this situation
4. Insufficient harm — LPA stated harm but couldn't demonstrate it with reference to specific policy
5. Procedural unfairness — LPA failed to consider material considerations; committee overruled officer recommendation without adequate reason

After the Decision

If allowed:

• Planning permission is granted by the Inspector's decision letter
• The permission is subject to conditions (often similar to those the LPA would have applied)
• The permission must be implemented within the standard time period (typically 3 years)

If dismissed:

• No further appeal to the Inspectorate is possible on the same decision
• A new application can be submitted, addressing the Inspector's concerns
• Challenge by way of judicial review is available but only on legal grounds (not disagreement with the Inspector's judgment), and must be within 6 weeks of the decision

Frequently Asked Questions

How do I write a successful Written Representations appeal statement?

Structure it around the LPA's reasons for refusal — address each one in turn. For each reason: (1) state what the reason says, (2) identify the policy it relies on, (3) explain why the development actually complies with that policy. Use the NPPF (National Planning Policy Framework) and the LPA's Local Plan as your reference framework. Cite comparable recent appeal decisions (search PINS's appeal database) where similar schemes were allowed.

Can a contractor submit an appeal on behalf of the client?

Yes — anyone can submit an appeal on behalf of the applicant. The appellant is the person who made the planning application (the client). The agent (which can be the builder, designer, or consultant) can submit and manage the appeal. The authority to act on behalf of the appellant should be confirmed in writing.

Does an appeal prevent enforcement action by the LPA?

If an enforcement notice has been served, an appeal against the enforcement notice suspends the enforcement notice while the appeal is pending. A planning appeal (against a refusal) does not itself prevent enforcement — if the development has been built in breach, enforcement action can still proceed during the appeal. However, LPAs typically do not take enforcement action while a planning appeal is being determined.

Regulations & Standards

• Town and Country Planning Act 1990 ss.78–79 — Statutory basis for planning appeals

• Town and Country Planning (Appeals) (Written Representations Procedure) (England) Regulations 2009

• Town and Country Planning (Hearings Procedure) (England) Rules 2000

• Town and Country Planning (Inquiries Procedure) (England) Rules 2000

• NPPF (National Planning Policy Framework) — Policy framework that Inspectors apply

• Planning Inspectorate — Appeal a planning decision

• PINS — Appeal statistics

• PINS — Appeals casework portal

• planning permission — Permitted development and planning permission

• permitted development householder — Permitted development rights overview

• listed buildings — Listed building consent and appeals

• conservation areas — Conservation area restrictions