123 HILLIARD ROAD NORTHWOOD HA6 1SL

1. 9 Feb 2023

   Received by Hillingdon

2. 27 Feb 2023

   Validated

   Checked as complete and ready for consideration.

3. 24 Apr 2023

   Decision issued: Refused

4. 3 Sep 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

• 4 TOWNSEND WAY NORTHWOOD MIDDLESEX HA6 1TF

  62198/APP/2025/2812 Submitted 6 Nov 2025 182m away

  Conversion of 2x self-contained flats into a single dwellinghouse (Class C3), erection of a first floor extension to the rear

  Granted Full applications New dwelling Extension 7 docs
  Domestic

• 32 ADDISON WAY NORTHWOOD MIDDLESEX HA6 1SY

  74796/APP/2024/2613 Submitted 30 Sep 2024 218m away

  Erection of a part single part two storey rear extension, and a front porch.

  Granted Full applications Extension 17 docs
  Small domestic

• 26a-28a HIGH STREET NORTHWOOD HA6 1BN

  79229/APP/2026/1803 Submitted 21 Jul 2026 227m away

  87% historically approved · decision due ~15 Sep

  Use of two self-contained flats as two small Houses in Multiple Occupation (Use Class C4).

  Decided Full applications New dwelling 4 docs

• 26a-28a HIGH STREET NORTHWOOD HA6 1BN

  79229/APP/2025/2240 Submitted 21 Aug 2025 228m away

  86% historically approved · decision due ~16 Oct

  Enlargement of the existing three flats involving the erection of a single storey infill extension and double storey rear extension to the outrigger to No.26; first floor rear extension with the insertion of rooflights to the outrigger of No.28; alterations to the fenestration to facilitate 1x 2 bed unit, 1 x 3 bed unit and 1 x 5 bed unit (revised description 02.10.25)

  Decided New dwelling Extension +2
  Several homes

• 5 REGINALD ROAD NORTHWOOD HA6 1EG

  79896/APP/2026/267 Submitted 2 Feb 2026 261m away

  Erection of a single storey extension to the rear following the demolition of existing lean-to (Application for a Certificate of Lawful Development for a Proposed Development)

  Granted Full applications Extension Demolition 8 docs
  Small domestic

• 48 NORTHWOOD WAY NORTHWOOD HA6 1AT

  79112/APP/2024/2772 Submitted 16 Oct 2024 265m away

  Erection of a single storey side and rear extension with raised rear patio.

  Granted Full applications Extension 7 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