The NI planning appeals backlog came before Northern Ireland Assembly scrutiny on 8th October 2026 when the Public Accounts Committee scheduled a substantial evidence session with the Planning Appeals Commission. Members are examining how delays, staffing and governance affect planning decisions and major development across the region.
Scrutiny of the NI planning appeals backlog followed a critical Northern Ireland Audit Office review published in May, which identified problems extending beyond ordinary planning appeals to complex public inquiries and regional development cases. The committee’s agenda allotted a public evidence session from 2.10pm to 4.30pm on Thursday.
The committee has not yet issued findings arising from that session. What is confirmed is the formal inquiry, the evidence timetable and the underlying audit figures. Those provide a substantial test of whether recent improvements in ordinary appeals will carry through to the more complex and commercially significant work.
Why the NI planning appeals backlog matters
The Northern Ireland Audit Office report found that average timeframes for planning appeal decisions rose from 23 weeks in 2016-17 to 73 weeks in 2024-25. That is an increase of 50 weeks. The report stressed that comparisons with Great Britain and the Republic of Ireland are imperfect because the systems differ.
On a separate measure, the audit recorded improvement for appeals lodged in 2024, which took an average of 25 weeks to decide. The backlog of Hear and Decide cases held at year end fell from 281 in 2023-24 to 149 in 2024-25. Those figures are encouraging, but do not resolve the more difficult work examined separately by the auditors.
For those affected by the NI planning appeals backlog, predictable procedures matter as much as an eventual decision. Long waits tie up development land, construction programmes, costs and professional resources. They also create uncertainty about when the merits of a project will be tested, making planning risk harder to price accurately.
Complex inquiries remain a separate problem
The Commission’s responsibilities cover more than ordinary appeals. It also hears and reports on regionally significant and called-in applications, certain environmental issues and local development plan examinations. In Hear and Report work, another public body may remain responsible for taking the final decision after receiving the Commission’s recommendations.
The audit identified 20 live Hear and Report cases in August 2025, many already waiting years. It calculated an average of 107 weeks between Department for Infrastructure referral and the Commission’s reports on cases completed in an earlier cohort. The Commission suggested the operative interval was closer to 75 weeks when incomplete initial submissions were accounted for.
Those NI planning appeals backlog figures concern an earlier reporting period, not a verified live October 2026 position.
The Planning Appeals Commission disputes the characterisation of a continuing backlog: in its 22nd September 2026 action plan, it stated that the historical backlogs and long delays described by auditors no longer existed, with one longstanding appeal remaining for reasons it said were outside its control.
That is the Commission’s position, not an independent finding that every delay has ended. A central purpose of the new inquiry is to establish how the position has changed and whether outstanding cases can now progress.
The audit said no new Hear and Report case had been passed from the Department to the Commission since September 2024.
What the Assembly Public Accounts Committee is investigating
The committee’s published terms of reference focus on performance, value for money, staffing, leadership, governance and collaboration. They also address whether fees and public funding are matched appropriately to workloads, especially technically difficult cases involving major infrastructure and environmental evidence.
The inquiry into the NI planning appeals backlog explicitly recognises the Planning Appeals Commission’s statutory independence. The committee says it will not review the merits of individual decisions simply because a party disagrees with them. The subject is institutional performance and the responsible use of public resources, not the rehearing of any particular planning appeal.
The committee is also examining how the Commission works with the Department for Infrastructure, the Northern Ireland Courts and Tribunals Service and councils. That matters because an efficient hearing process depends partly on relevant documents, environmental assessments and specialist information arriving in a complete and timely form.
The evidence session and next witness timetable
The Assembly’s official meeting record scheduled the public session for Thursday 8th October from 2.10pm to 4.30pm at Parliament Buildings. The session was devoted to the review of the Planning Appeals Commission; it was followed by closed committee preparation business.
The published forward work programme schedules further evidence for 15th October from the Department for Infrastructure and the Department of Justice or Northern Ireland Courts and Tribunals Service. That should allow the committee to test issues of responsibility and resources from more than one institutional viewpoint.
The separate inquiry is open to written submissions, with a deadline of Friday 30th October 2026. Contributors should concentrate on identifiable system-wide performance evidence, rather than attempt to revisit the planning judgment in their own case.
Resources, fees and accountability questions
The Audit Office reported that eleven Commissioners had left since 2017-18, with seventeen appointments made since 2021. It noted that senior-level work could not instantly be transferred to newly recruited Commissioners without experience of complex, quasi-judicial proceedings.
The report also questioned the funding model. Ordinary planning appeals attracted a relatively modest fixed fee, while the Commission did not receive a direct fee for its Hear and Report work on major applications referred by the Department. The audit described delays and lack of certainty as potentially harmful to development and inward investment.
There is no simple trade-off between speed and independence. Decisions must remain impartial and properly reasoned, with suitable public participation. The practical challenge is whether the system can process cases more efficiently without undermining those protections.
What applicants and councils should watch next
For applicants with active appeal proceedings, the committee inquiry does not change statutory appeal rights, the terms of existing notices or the timetable communicated in a particular case. Neither the audit nor the hearing is an appeal decision and neither constitutes new planning legislation.
Major project promoters should watch for evidence on Hear and Report capacity, the appointment of additional independent inspectors and how environmental updates or missing information affect inquiry programming. Local development plan teams need to know whether independent examination resources are available when their own plans reach that stage.
The wider lesson from the NI planning appeals backlog is that faster handling of straightforward appeals will not by itself deliver a functioning system for the largest or most complex applications. The committee’s next evidence session on 15th October and its eventual conclusions will be important milestones.
Planning Geek’s planning appeals guidance covers the distinct procedures used in England, which should not be mistaken for the Northern Ireland Commission’s own system.
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