Planning Permission Loft Conversion (UK)
September 14, 2025
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• Do you need planning permission for a loft conversion? Most houses can convert under Permitted Development if they stay within 40/50m³, avoid front dormers and keep ridge height. Learn the exceptions (conservation areas, Article 4, flats), costs, timelines and local council quirks for Bucks, Milton Keynes and Guildford, plus practical steps to secure approval.
