If you’ve had planning permission refused by Wiltshire Council — or any other local authority — due to parking standards, highway safety concerns, or sustainable transport policies, this planning appeal case study shows how those refusals can be successfully overturned when there is a lack of evidence to support the council’s objections.
This case relates to a householder planning appeal in Chippenham, Wiltshire, involving the conversion of an existing garage into a habitable room. The original planning application was refused by Wiltshire Council on 23rd July, despite the proposal being a modest and straightforward form of development commonly found in residential areas.
Wiltshire Council issued two refusal reasons, both focused on transport-related policies. The first refusal reason claimed that converting the garage would result in insufficient on-site parking, leading to an unacceptable impact on highway safety. The council argued that the proposal failed to meet the minimum parking standards set out in the Local Transport Plan and conflicted with both local Core Policies and national planning policy relating to highway safety.
The second refusal reason alleged that the proposal would result in the loss of cycle storage provision, with no replacement facility proposed, which the council considered contrary to sustainable transport objectives for a four-bedroom dwelling.
Following the refusal, the homeowner booked a free, no-obligation consultation with one of HEAL Planning Appeals’ specialist Planning Appeal Assessment Officers. During this consultation, the refusal reasons were reviewed in detail and assessed against local and national planning policy, with particular focus on whether the council’s concerns were supported by substantive evidence.
It was confirmed that the refusal could be robustly challenged at appeal. HEAL Planning then prepared a full written appeal proposal, allowing the client to make a fully informed decision before proceeding.
The appeal was submitted under Section 78 of the Town and Country Planning Act 1990 and registered with the Planning Inspectorate. A site visit was carried out by the Planning Inspector on 11th November, with the decision issued shortly afterwards on 18th November.
The Inspector identified two key issues: the effect of the proposal on highway safety, and whether sufficient secure cycle storage would be provided.
When assessing parking and highway safety, the Inspector acknowledged Wiltshire’s parking standards and accepted that a four-bedroom property would normally be expected to provide three on-site parking spaces. However, the Inspector’s central finding was that there was no evidence to demonstrate that the proposal would cause actual harm.
During the site visit, it was observed that the garage was already being used for domestic storage rather than vehicle parking, and that the driveway could still accommodate two vehicles in tandem. Crucially, there was no evidence of overspill parking or highway safety issues either before or after the proposal.
The Inspector noted that the council’s refusal relied on assumptions that displaced parking “may” occur, but no parking surveys, traffic data, or supporting evidence had been provided to justify refusing the application on highway grounds. While the proposal reduced on-site parking from three spaces to two, the Inspector concluded that this conflict with parking standards was minor and that local policy should be applied flexibly, having regard to site-specific circumstances.
Additional weight was given to the site’s sustainable location, with good accessibility to local services, public transport, and pedestrian and cycle routes.
The Inspector also dismissed the council’s concerns regarding cycle storage. There was no evidence that the garage had ever been used for cycle storage, and its size and access arrangement made it impractical for that purpose. Even so, the Inspector confirmed that suitable cycle storage could be secured by condition. The appellant agreed to provide secure, covered cycle storage within the rear garden, and an appropriate location had already been identified.
As a result, the appeal was allowed and planning permission was granted, subject to conditions including the provision of three secure, covered cycle parking spaces prior to occupation.
This case is a clear reminder that councils cannot refuse planning applications based on assumptions alone. Where there is no demonstrable harm, and where concerns can be addressed through evidence or planning conditions, refusals relating to parking and highway safety can be successfully overturned at appeal.
If you’ve had planning permission refused and want to know whether an appeal is worth pursuing, HEAL Planning are one of the UK’s leading planning appeal specialists, producing and managing bespoke planning appeals tailored to the specific refusal reasons, local policy context, and national planning guidance.
Planning appeal garage conversion refusal overturned
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