Planning Inspectorate Welcomes Pennycook’s Local Plan Letter

Key Points

• The Planning Inspectorate has welcomed a letter from Housing and Planning Minister Matthew Pennycook MP concerning local plan examinations.
• The letter, dated 15 July, builds on previous correspondence between the Minister and the Inspectorate.
• It asks inspectors to take a “pragmatic and proportionate approach” when assessing viability and deliverability evidence submitted with local plans.
• The letter has already been circulated to all Planning Inspectorate examiners.
• Many local planning authorities are expected to submit plans under the legacy system in the coming months, ahead of the December 2026 submission deadline.
• The Minister has asked inspectors to assess viability and deliverability across the whole plan period rather than treating short-term economic conditions as grounds to reject otherwise sound plans.
• The Planning Inspectorate says it shares the Government’s ambition for every community in England to have an up-to-date local plan.
• Chief Executive Graham Stallwood confirmed the organisation has recruited more than 30 local plans inspectors.
• The Inspectorate has also invested in transforming its digital services and strengthening support for local planning authorities.
• Officials say they remain committed to working with councils and sector partners to help more local plans reach adoption.

Bristol (Britain Today News) July 21, 2026 – The Planning Inspectorate has confirmed it has welcomed a letter from Housing and Planning Minister Matthew Pennycook MP, sent on 15 July, which sets out how inspectors should approach viability and deliverability evidence when examining local plans ahead of the December 2026 submission deadline. The correspondence, which builds on earlier communication between the Minister and the Inspectorate, has already been shared with the organisation’s examining inspectors, according to a statement issued by the Inspectorate.

What Does the Minister’s Letter Say About Local Plan Examinations?

The letter from Matthew Pennycook, dated 15 July, sets out the Government’s expectations for how the examination of local plans should be conducted in the months ahead. According to the Planning Inspectorate, the letter requests that inspectors adopt a pragmatic and proportionate approach when assessing viability and deliverability evidence submitted as part of local plan examinations. The correspondence does not stand alone; it builds on previous letters exchanged between the Minister and the Inspectorate on the same subject, indicating a continuing dialogue between central government and the arm’s-length body responsible for examining local plans.

The Planning Inspectorate has stated that the letter has been shared with all of its inspectors, ensuring that those responsible for examining plans are aware of the Minister’s expectations before undertaking further examinations in the run-up to the deadline.

Why Has the Letter Been Sent Ahead of the December 2026 Deadline?

The timing of the letter is closely tied to the December 2026 submission deadline, by which many local planning authorities across England are required to submit their local plans under the legacy planning system. The Planning Inspectorate has confirmed that a significant number of authorities are expected to submit plans in the coming months as that deadline approaches.

Against this backdrop, the Minister’s letter asks inspectors to assess viability and deliverability across the full plan period, rather than treating prevailing economic conditions as a barrier to plans being found sound. This reflects a concern that short-term market volatility, rising build costs, or fluctuating land values could otherwise be used as grounds to delay or derail plans that are viable and deliverable when assessed over their entire lifespan.

How Will Inspectors Assess Viability and Deliverability Evidence?

Under the approach requested in the Minister’s letter, inspectors are being asked to look at viability and deliverability evidence in a way that takes account of the full duration of a local plan, rather than focusing narrowly on current conditions at the point of examination. The Planning Inspectorate says this pragmatic and proportionate approach is intended to prevent otherwise sound plans from stalling because of temporary economic pressures.

Local plans typically cover periods of fifteen years or more, setting out where housing, employment and infrastructure development should take place across a local authority area. Viability assessments, which examine whether proposed levels of development and associated planning obligations remain financially deliverable, have long been a central and often contentious part of the examination process. The Minister’s letter appears designed to give inspectors clearer direction on how to weigh such evidence at a time when many authorities are working against a fixed statutory deadline.

What Has the Planning Inspectorate Said in Response?

The Planning Inspectorate has formally welcomed the Minister’s letter, describing it as clear and timely. The organisation says the correspondence has already been circulated internally to ensure inspectors are working from a consistent understanding of the Government’s expectations as they carry out examinations in the coming months.

Graham Stallwood, Chief Executive of the Planning Inspectorate, said:

“We welcome this clear and timely letter from the Minister. We have invested significantly in our capacity and capability to support local plan reform, including recruiting more than 30 local plans inspectors, transforming our digital services, and strengthening engagement and support for local planning authorities.”

Mr Stallwood added:

“We are committed to playing our full part in delivering the Government’s planning ambitions. We will continue to work constructively with local authorities and partners across the planning sector to support the adoption of sound local plans.”

What Investment Has the Planning Inspectorate Made in Local Plans Capacity?

According to the Inspectorate’s own statement, the organisation has taken several steps in recent months to strengthen its ability to handle an anticipated increase in local plan examinations. Chief among these is the recruitment of more than 30 additional local plans inspectors, a move intended to increase the number of examinations that can be conducted in parallel as authorities rush to meet the December 2026 deadline.

Alongside recruitment, the Inspectorate says it has transformed its digital services, though it has not detailed the specific systems involved in the statement. It has also said it has strengthened engagement and support for local planning authorities, suggesting closer working relationships between the Inspectorate and the councils whose plans it examines.

What Is the Legacy System and Why Does It Matter for Councils?

The reference to the “legacy system” relates to the transitional arrangements under which local planning authorities that began preparing their local plans under the previous planning framework are permitted to submit those plans for examination up to a fixed cut-off date, after which plans would need to be prepared under newer statutory requirements. The Planning Inspectorate has confirmed that many authorities are expected to submit their plans under this legacy system in the coming months, ahead of the December 2026 deadline.

For councils, meeting this deadline is significant. Missing it could mean having to restart plan preparation under a different set of rules, at considerable additional cost and delay. This context helps explain why the Minister’s letter, and its call for a pragmatic and proportionate approach to viability evidence, has been welcomed so directly by the Inspectorate, given the pressure many authorities are under to have their plans examined and adopted before time runs out.

Why Are So Many Local Planning Authorities Rushing to Submit Plans Now?

The Planning Inspectorate’s statement makes clear that a considerable number of local planning authorities are preparing to submit plans in the period leading up to December 2026. This clustering of submissions is a direct consequence of the legacy system deadline, which creates a fixed point by which authorities must have submitted their plans in order to be examined under existing arrangements.

This concentration of submissions is likely to place considerable demand on the Inspectorate’s examination capacity, which is one of the reasons cited for its recent recruitment drive. It also increases the importance of consistency in how viability and deliverability evidence is treated across different examinations, since inspectors will be assessing a larger volume of plans within a compressed timeframe.

What Does This Mean for Communities Waiting for Up-to-Date Local Plans?

The Planning Inspectorate has stated that it shares the Government’s ambition for every community to have an up-to-date local plan, and says it remains committed to achieving this goal. Local plans are the principal mechanism through which communities have a say in where new housing, employment land and infrastructure are located, and an up-to-date plan is generally regarded as providing greater certainty for residents, developers and local authorities alike.

Where local plans are outdated or absent, decisions on planning applications can instead be made against national policy alone, which campaigners and local authorities have often argued gives communities less influence over the pattern of development in their area. The Inspectorate’s stated commitment to supporting sound plans reaching adoption is presented, in its statement, as part of a broader effort to reduce the number of authorities operating without an up-to-date plan.
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How Does This Letter Build on Previous Correspondence From the Minister?

The Planning Inspectorate has specifically noted that the 15 July letter builds on previous correspondence from Matthew Pennycook. While the Inspectorate’s statement does not detail the full contents of that earlier communication, its reference indicates an ongoing and evolving dialogue between the Ministry and the Inspectorate over how local plan examinations should be conducted during this transitional period.

This pattern of sequential correspondence suggests that the Government has been monitoring the pace and outcomes of local plan examinations closely, and has been prepared to issue further guidance to inspectors as the December 2026 deadline approaches and circumstances evolve.

What Happens Next for the Planning Inspectorate and Local Authorities?

With the Minister’s letter now shared across the Inspectorate’s inspectorate teams, attention turns to how the pragmatic and proportionate approach to viability and deliverability evidence is applied in practice as examinations continue in the coming months. The Planning Inspectorate has indicated that it will continue to work with local authorities and other partners across the planning sector, with the stated aim of supporting more sound local plans through to adoption before, and after, the December 2026 deadline.

For local planning authorities still preparing to submit plans under the legacy system, the letter is likely to be seen as an important signal regarding how their evidence base will be treated at examination. For the wider planning sector, the correspondence adds to a developing picture of how the transition away from the legacy system is being managed, at a point when the volume of plans moving through examination is expected to increase significantly.

The Planning Inspectorate has confirmed it will continue to update its guidance and support for local planning authorities as this period progresses, in line with the commitments set out in its statement.