24 GROSVENOR CRESCENT HILLINGDON UB10 9ER

1. 7 May 2026

   Received by Hillingdon

2. 9 Jun 2026

   Decision issued: Permitted

3. 12 Aug 2026

   Added to PlanIndex

Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.

Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.

A full application seeks permission for a complete, detailed proposal in one go: siting, design, access and landscaping are all fixed at this stage. It is the standard route for new buildings, conversions and changes of use. The statutory target is eight weeks for smaller schemes and thirteen weeks for major development, though complex cases often take longer by agreement.

More on full applications applications in our guide

• 79 VICTORIA AVENUE HILLINGDON UB10 9AJ

  76455/APP/2021/2020 Submitted 19 May 2021 115m away

  Conversion of roof space to habitable use to include a rear dormer, 3 front roof lights and conversion of roof from hip to gable end with new gable end window (Application for a Certificate of Lawful Development for a Proposed Development)

  Granted Full applications Loft or dormer Windows or glazing 7 docs

• 78 VICTORIA AVENUE HILLINGDON Middlesex UB10 9AJ

  73388/APP/2026/207 Submitted 26 Jan 2026 115m away

  Conversion of roof space to habitable use to include a rear dormer and 3 front roof lights (Application for a Certificate of Lawful Development for a Proposed Development)

  Granted Full applications Loft or dormer 8 docs

• 94 VICTORIA AVENUE HILLINGDON UB10 9AJ

  79778/APP/2025/2885 Submitted 17 Nov 2025 115m away

  Conversion of roof space to habitable use to include rear dormer, and 3x front roof lights (Application for a Certificate of Lawful Development for a proposed Development)

  Granted Full applications Loft or dormer 6 docs

• 4 REGENT AVENUE HILLINGDON UB10 9AL

  79611/APP/2025/2247 Submitted 23 Aug 2025 118m away

  Erection of a single storey rear and side extension. Installation of external A/C units

  Granted Full applications Extension 10 docs
  Small domestic

• 269 LONG LANE HILLINGDON UB10 9JR

  75561/TRE/2026/36 Submitted 17 Feb 2026 206m away

  TPO 60 T13 to fell 1x Hawthorn down to stump and ground level.

  Granted Trees 7 docs

• 80 GROSVENOR CRESCENT HILLINGDON UB10 9ET

  79656/APP/2025/2370 Submitted 11 Sep 2025 211m away

  Erection of a two storey rear extension.

  Granted Full applications Extension 6 docs

• 80149/APP/2026/1572 Granted

  14 LADYGATE LANE RUISLIP HA4 7QU

  Erection of single storey side and rear wraparound extension, a front porch, amendments to fenestration and roof lights to the front, side and rear sloped roof, following the removal of the rear chimney and garden shed. (Description Amended)

  24 Jun 2026 Full applications
• 79879/APP/2026/1749 Granted

  21 NORTH AVENUE HAYES UB3 2JE

  Erection of part single storey, part double storey rear extension

  13 Jul 2026 Full applications
• 74889/APP/2026/1363 Granted

  32 MANOR ROAD HAYES UB3 2DG

  Erection of a first-floor rear extension.

  1 Jun 2026 Full applications
• 53073/APP/2026/1645 Granted

  50 MINET DRIVE HAYES UB3 3JW

  Erection of a part single storey, part two storey extension to the rear

  1 Jul 2026 Full applications
• 80172/APP/2026/1717 Refused

  6 SQUIRRELS TRADING ESTATE VIVEASH CLOSE HAYES UB3 4RZ

  Change of use from Class B8 to Class E retail

  8 Jul 2026 Full applications