Guildford Borough Council has clarified that a recent assessment identifying some areas as 'grey belt' or 'provisionally grey belt' is not a planning approval and does not automatically allow development. The 'grey belt' label was added to the National Planning Policy Framework in 2024 and can be applied to lower-quality green belt land where housing targets are unmet. Any future proposals would still face strict planning tests and public scrutiny. Local campaigners warn the change could increase development pressure in Surrey.
Guildford Assesses 'Grey Belt' Areas — Council Says No Decision to Build on Green Belt
Some green belt around Guildford could be considered "grey belt", according to an assessment [Getty Images]
Guildford Borough Council has moved to reassure residents after a local review found that some parcels of land meet the government's definition of 'grey belt' or 'provisionally grey belt'. The council stressed that the assessment is an evidence exercise and does not amount to planning permission or an automatic decision to permit development.
What the council said
'However, we are clear that this does not automatically mean development will happen,' the council said. 'It is not a planning decision.' Counsellor Fiona White added: 'Any proposals would still need to meet strict planning requirements. We will continue to carefully consider what is right for Guildford and its communities.'
Why this matters
The 'grey belt' concept was introduced into the National Planning Policy Framework in 2024 as part of a wider planning reform linked to a national housing target. The government set out that where councils cannot meet housing targets, some lower-quality green belt land could be redesignated as 'grey belt' to allow for potential development.
What 'grey belt' means
The government describes 'grey belt' as land on the margins of settlements that does not strongly contribute to green belt purposes — for example, untidy edges of towns, redundant petrol stations, surface car parks and other low-quality plots. Importantly, redesignation is not a shortcut: building on green belt or grey belt remains subject to strict planning tests and justification.
Local response and next steps
Campaigners in Surrey have warned that reclassification could open the door to large-scale development, dubbing the prospect a possible 'development tsunami'. The council says any future proposals would still need to follow the usual planning process, including meeting national policy tests and going through statutory local scrutiny and consultation before any permission could be granted.
What residents can do
Residents concerned about the assessment are advised to follow updates from Guildford Borough Council, participate in any public consultations, and contact their local councillors to raise issues or seek clarification on specific sites.
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