A coach house appeal in rural Surrey has succeeded despite an Inspector finding that its future residents would depend on cars and could not realistically walk to everyday services. The decision on 12 November 2026 allows an existing building at Haxted, near Lingfield, to become a one-bedroom home.
Inspector C Walker overturned Tandridge District Council’s refusal of application TA/2024/1247 for The Coach House on Haxted Road. The Inspector accepted concerns about the lack of pavements and convenient public transport, but found the existing vehicle access could safely accommodate the additional dwelling and that the benefits of conversion outweighed the limited accessibility harm.
The coach house appeal matters because it draws a careful distinction between unsafe walking conditions, an unsafe vehicle access and the wider planning balance for converting an existing rural building in the Green Belt. The Inspector did not dismiss the council’s sustainability concerns, but assessed their actual weight against national support for reusing buildings and the area’s housing shortage.
Why the coach house appeal succeeded
The proposal was to convert the existing coach house into a dwelling with its own garden and parking. It was not an application for a new house on an empty countryside plot. The appeal site forms part of a small cluster of homes on Haxted Road, around a kilometre from Lingfield, rather than being wholly isolated in open countryside.
The principal questions were whether residents could reasonably reach services, whether road users would be safe and whether the limited harm identified was outweighed by the advantages of bringing the existing building into residential use. The case also concerned the operation of the August 2026 National Planning Policy Framework, particularly the policies on sustainable transport, housing supply and reuse of buildings.
The Inspector found that buses were not realistically accessible on foot and that the 40 mph rural road had no dedicated footways or suitable verges near the site. The appellant suggested bus stops roughly 565 and 585 metres away, but the distances alone did not establish a safe or practical journey. Walking in darkness or bad weather would be especially difficult.
That part of the coach house appeal was a qualified victory for the council: the Inspector concluded that the site was not a suitable location for housing when judged solely against access to local services. The Inspector nevertheless found only limited conflict with Local Plan Policy DP5 and the Framework, because a modest one-bedroom conversion would generate relatively few journeys, and gave that development-plan conflict limited weight because Policy DP5 relates chiefly to highway safety.
Road safety concerns did not establish refusal
The coach house already had access onto Haxted Road through a shared driveway serving several dwellings. The Inspector recorded visibility splays of 2.4 metres by 16 metres in one direction and 2.4 metres by 20 metres in the other. Those figures look tight on paper, but the Inspector emphasised the need to examine real traffic speeds and the particular evidence at the site.
A seven-day speed survey recorded 85th percentile speeds of 26 mph southbound and 27 mph northbound, below the signed 40 mph limit. The driveway was straight and wide enough for two vehicles to pass. No personal injury collisions had been recorded near the access over the preceding five years, although the Inspector acknowledged that a collision-free record cannot guarantee future safety.
The applicant also submitted a TRICS assessment comparing vehicle trips from the existing use with the proposed home. It had limitations: the comparison relied on commercial warehouse sites at the edge of towns rather than a genuinely rural building, and the established use of the coach house had not been adequately evidenced. The Inspector therefore gave that modelling only limited weight.
In the coach house appeal, the critical point was not that every rural access meeting such dimensions would be acceptable. Rather, the council had not provided substantive evidence of the visibility standard required here or demonstrated why this existing, shared access could not safely serve one more modest dwelling. The Inspector found no unacceptable highway safety impact under national Policy TR6.
Green Belt and housing need affected the balance
The site is within the Green Belt, but the Inspector expressly treated the conversion as development that was not inappropriate there. That distinction is essential. The decision did not establish that a new dwelling anywhere on Green Belt land should be permitted; it concerned reuse of an existing structure and the particular national policy route available to the proposal.
Tandridge could demonstrate only around 2.49 years of housing land supply as at September 2026, according to the council’s evidence recorded in the decision. One converted home would make a modest contribution, but the Inspector gave housing provision substantial weight under Policy H07. For the wider context, see Planning Geek’s five-year housing land supply guidance.
The Inspector also cited national support for the reuse of buildings under Policies CC2 and H011. Although the site was not isolated, the rural conversion principles in H011 remained informative. Converting the building would retain an existing resource and its character, while the proposal was said to deliver a 70% improvement in its energy performance through an air source heat pump.
The coach house appeal therefore involved competing national objectives: reducing private-car dependence on the one hand, and making useful residential accommodation from a building already standing in the countryside on the other. The Inspector concluded that conversion benefits, including the proposed energy improvement, carried considerable weight and were not substantially outweighed by the limited travel disadvantage.
In the Inspector’s words, The totality of these benefits is therefore considerable.
That statement should be read alongside the specific findings on this site, not taken as a blanket endorsement of isolated or poorly connected rural housing. The decision applied the relevant Green Belt qualification within Policy S5(5) and the other national decision-making policies.
Planning conditions on the conversion
Permission came with six conditions. Development must follow the approved plans, and visibility areas at the access must be provided before occupation and kept free of obstructions above 0.6 metres. Drainage arrangements and ecological mitigation must also follow the approved documents.
Another condition requires an approved renewable-energy scheme demonstrating a 10% reduction in carbon emissions before the house is occupied. The Inspector made minor changes to the wording of conditions proposed by the council, including the access requirement, to ensure precision rather than simply adopting every draft restriction. Planning Geek’s planning appeals guidance explains the wider appeal process.
The coach house appeal illustrates the difference between a genuine evidence-based highways objection and a general concern about narrow rural roads. A lack of pavements was a real disadvantage, while measured vehicle speeds, shared-access operation and the limited number of additional journeys supported a different conclusion on safe vehicular access.
What other rural building owners can learn
Owners contemplating conversion should establish the existing building’s lawful use, obtain defensible evidence of vehicle movements, and distinguish accessibility to amenities from safety at the actual point of access. A generic trip-rate comparison may carry little weight if the selected sites and land uses do not resemble the property under consideration.
It is also important to establish the precise Green Belt exception, the extent to which the conversion retains an existing resource, and what benefits can be supported by evidence rather than assertion. The coach house appeal was allowed even though the Inspector found conflict with the development plan, because material considerations justified a different outcome.
Inspector C Walker allowed the appeal on 12 November 2026 under reference 6014559. The appeal decision is also available on AppealBase. The quoted passage is from the Inspector’s decision, published by the Planning Inspectorate under the Open Government Licence.
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