The Harefield HGV appeal has ended with retrospective planning permission for a commercial vehicle yard in the Green Belt, despite Hillingdon Council’s attempt to stop the use. Inspector Grahame J Kean allowed the enforcement appeal on 20 October 2026 and quashed the notice served on land at St Leonards Farm, New Years Green Lane.
The permission covers parking, storage and repair of commercial vehicles, together with hardstanding, a workshop and a vehicle inspection pit. It is a significant outcome because the inspector considered the August 2026 National Planning Policy Framework and its national decision-making policies when assessing whether the development was acceptable.
What makes the Harefield HGV appeal interesting is that this is not a straightforward roadside industrial estate. It is a rural Green Belt site with limited public transport, narrow local roads and neighbouring commercial uses. For anyone advising on operating yards or retrospective applications, the interaction between grey belt, transport and enforcement deserves close attention.
What was decided in the Harefield HGV appeal?
The London Borough of Hillingdon issued its enforcement notice on 19 March 2026. It alleged an unauthorised material change of use to the parking, storage and repair of commercial vehicles, with associated surfacing and structures. The notice required the commercial use to cease and demanded removal of the hardstanding, workshop, inspection pit, structures, storage containers and other materials connected with the operation.
In appeal reference 3378454, the operator, D Hughes Ltd, challenged the notice under grounds (a), (f) and (g) of section 174 of the Town and Country Planning Act 1990. Ground (a) meant that a deemed planning application was also before the inspector.
The inspector allowed the enforcement appeal, quashed the notice and granted planning permission for the development already carried out, subject to a schedule of conditions. This was not a finding that the unauthorised use had always been lawful. It was a fresh grant of permission on the planning merits. The conditions will therefore be important for how the business can operate.
Why the 2026 Green Belt policy matters
The 0.46-hectare site lies inside the Green Belt, alongside a haulage and skip-hire business and an aggregate operation. The inspector recorded that the parties agreed the land met the new Framework definition of grey belt. That was an important starting point, but not an automatic route to permission.
The government’s Green Belt policies GB6 and GB7 distinguish inappropriate development, normally requiring very special circumstances, from development within specified exceptions. Policy GB7(1)(g) addresses the use of grey belt land, but requires consideration of the purposes of the remaining Green Belt, demonstrable unmet need and a sustainable location.
Hillingdon disputed whether the further requirements were satisfied, particularly the asserted need for the operation and whether its location was sustainable. The inspector therefore had to examine more than whether the land could be described as grey belt. It would be misleading to turn the Harefield HGV appeal into a general claim that vehicle yards can now be established anywhere in the Green Belt.
The revised Framework was issued on 17 August 2026. Its national decision-making policies took effect as material considerations immediately. Annex A explains how older development plan policies that materially conflict with those policies should be treated. That transition was directly relevant to this appeal.
What about the narrow road and HGV movements?
New Years Green Lane is an unclassified rural road with no street lighting, no footways and stretches too narrow for two vehicles to pass. The inspector identified usable passing places and drove the route himself. The nearest residential property was approximately 25 metres from the appeal site, and residential amenity was not a disputed issue in the decision’s account.
Up to 25 heavy goods vehicles were involved in the related planning proposal. The inspector described drivers arriving by car, taking vehicles out for work and returning them to the yard before leaving in their own cars. The site’s public transport accessibility level was zero.
Hillingdon maintained that the location encouraged private-car journeys and raised issues for freight routing. But transport policy requires consideration of the type of development and the circumstances of the area. The Harefield HGV appeal is consequently useful when examining how the needs of logistics operations are assessed against general sustainability objectives.
It is not a licence to disregard safety. A yard operator should be ready with clear evidence of HGV numbers, routing, junction movements, driver trips, passing opportunities and any mitigation proposed. Equally, objections to a commercial yard should identify actual transport consequences rather than rely on general descriptions of a countryside location.
Why did the linked planning appeal go no further?
There was also a linked section 78 appeal, reference 6008193, over the formation of hardstanding to park up to 25 HGVs. The scheme in that application overlapped with, but covered less than, the development considered under the enforcement notice and deemed application.
After granting permission through the enforcement appeal, the inspector took no further action on the separate planning appeal. His stated concern was that two overlapping decisions with potentially inconsistent sets of conditions would cause unnecessary confusion. It would therefore be wrong to report two separate grants of permission.
That procedural point matters for advisers dealing with simultaneous retrospective applications and enforcement appeals. The description of development, existing operations, overlap between applications and potential conditions should be mapped carefully before choosing the route to consent.
What the Harefield HGV appeal means for other sites
The Harefield HGV appeal is an inspector’s decision, not a binding judgment of the courts. It is nevertheless a practical example of the 2026 Framework being considered against an existing Green Belt commercial operation. Every application still turns on its own history, need, Green Belt contribution, access, neighbouring uses and local evidence.
In enforcement cases, the sequence is crucial. This operator used ground (a) to obtain retrospective permission after the notice had been issued. Another appellant relying on different grounds, evidence or planning conditions could face a very different outcome.
The decision dated 20 October 2026 can be inspected under APP/R5510/C/26/3378454 and is also available via AppealBase. Read the formal decision and its conditions before applying the reasoning to another commercial site.
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