14 FLORISTON AVENUE HILLINGDON UB10 9DZ

1. 21 Feb 2023

   Received by Hillingdon

2. 18 Apr 2023

   Decision issued: Refused

3. 23 Aug 2026

   Added to PlanIndex

The council refused this application for the reasons set out on the decision notice, which the council portal holds in full. Only the applicant can appeal a refusal; the time limit runs from the decision date and is shorter for householder schemes.

Refusal does not prevent a fresh attempt. Applicants often address the reasons for refusal and resubmit, so a refused scheme is not necessarily the end of proposals for the site.

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

• 18 OAKLEIGH ROAD HILLINGDON MIDDLESEX UB10 9EL

  73632/APP/2025/3095 Submitted 9 Dec 2025 131m away

  Erection of single storey infill rear extension

  Granted Full applications Extension 7 docs
  Small domestic

• 169A RYEFIELD AVENUE HILLINGDON UB10 9DA

  80078/APP/2026/1221 Submitted 15 May 2026 152m away

  86% historically approved · decision due ~10 Jul

  Conversion of roof space into habitable use including a rear dormer and removal of chimney stacks.

  Awaiting decision Loft or dormer

• 44 WINDSOR AVENUE HILLINGDON MIDDLESEX UB10 9AU

  63415/APP/2025/2451 Submitted 22 Sep 2025 187m away

  Erection of single storey rear extension

  Granted Full applications Extension 9 docs
  Small domestic

• 69 WINDSOR AVENUE UXBRIDGE UB10 9AU

  79832/APP/2026/903 Submitted 10 Apr 2026 187m away

  Erection of a single storey rear extension (Application for a Certificate of Lawful Development for a Proposed Development)

  Granted Full applications Extension 7 docs
  Small domestic

• 58 MERTON AVENUE HILLINGDON MIDDX UB10 9DL

  62748/APP/2021/2617 Submitted 1 Jul 2021 219m away

  Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 4 metres, for which the maximum height would be 3.4 metres, and for which the height of the eaves would be 3 metres

  Granted Full applications Extension 6 docs
  Small domestic

• 58 MERTON AVENUE HILLINGDON MIDDX UB10 9DL

  62748/APP/2021/2620 Submitted 1 Jul 2021 219m away

  Conversion of roof space to habitable use to include a rear dormer, 2 front and 1 side rooflights and conversion of roof from hip to gable end with new gable end window, insertion of window to front gable, front porch and removal of existing chimney stacks (Application for a Certificate of Lawful Development for a Proposed Development)

  Granted Full applications Extension Loft or dormer +1 6 docs
  Small domestic

• 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