England · Local authority

London Borough of Hillingdon
Planning applications.

Explore collected planning applications and decisions for London Borough of Hillingdon. Search an address, application reference or proposal to find a record.

Collected application statistics

Collected records · All available dates
23,864Searchable applications
447Recorded as pending
80%Approval rate · 22,167 approved or refused records
4,447Refused applications

17,720 approved · 4,447 refused · 924 withdrawn. Received dates in our records: 12 Jun 2020 to 5 Oct 2026. Most recent record check: 13 Oct 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026

Conservation areas and Article 4 directions

Explore published planning boundaries and follow their source records for designation details. Coverage varies: an empty map does not mean there are no restrictions. Check the council’s current maps and documents before relying on a boundary.

Conservation areas39 mapped area records
Article 4 direction areas149 mapped area records1 identified HMO area records; remaining records unclassified

Interactive planning map loads with JavaScript. Dataset sources are linked below.

Download Article 4 coverage for all authorities (CSV)

Data downloaded 14 Sept 2026. Display boundaries are simplified and indicative. Map record counts are not a complete count of designations or directions.

Sources: Planning Data conservation areas and Article 4 direction areas. Contains public sector information licensed under the Open Government Licence v3.0.

More application records

  1. Undecided26564/APP/2026/370

    Erection of a single storey front and rear extension, a first-floor side extension and an enlarged rear terrace with patio area with amendments to the fenestration

    6 WOODGATE CRESCENT NORTHWOOD

    Received 11 Feb 2026
  2. Approval76354/APP/2021/4361

    Single storey outbuilding within the rear garden incidental to the main dwellinghouse (following removal of rear shed).

    11 COURT ROAD ICKENHAM UB10 8TF

    Received 29 Nov 2021
  3. Prior Approval N/Req71344/APP/2021/144

    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 3.46 metres and for which the height of the eaves would be 2.45 metres

    34 NORMANDY DRIVE HAYES UB3 2QW

    Received 13 Jan 2021
  4. Approval69270/APP/2021/2654

    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 metres, and for which the height of the eaves would be 2.92 metres

    4 SPRINGFIELD GARDENS RUISLIP MIDDLESEX HA4 9TQ

    Received 5 Jul 2021
  5. Approval62972/APP/2026/152

    Variation of Condition 2 (Approved Plans) of planning permission ref. 62972/APP/2024/1012, dated 25-06-2024 (Erection of extension to rear and side of existing commercial premises, following the demolition of existing rear extension.) to slightly increase the height to align with neighbours, erection of an extension to the west, and revised materials.

    546 STONEFIELD WAY RUISLIP

    Received 19 Jan 2026
  6. Approval4000/APP/2023/3545

    Erection of part single part two storey side and rear extensions, 2x Juliette balconies, conversion of roof space into habitable use to include 2x rear dormers and 6x front and side roof lights, conversion of garages into habitable rooms to include fenestrations.

    252 SWAKELEYS ROAD ICKENHAM

    Received 6 Dec 2023
  7. Approval34665/APP/2024/2093

    Conversion of roof space to habitable use to include a rear dormer with, 2 front roof lights and conversion of roof from hip to gable end (Application for a Certificate of Lawful Development for a Proposed Development)

    7 DERWENT DRIVE HAYES

    Received 5 Aug 2024
  8. Refusal77008/APP/2022/226

    Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 4.00 metres, for which the maximum height would be 3.64 metres, and for which the height of the eaves would be 2.6 metres

    29 BARNSTAPLE ROAD RUISLIP HA4 0UW

    Received 25 Jan 2022
  9. Refusal19685/APP/2021/257

    Replacement of existing UPVc windows to front elevation with UPVc conservation style windows and replacement of side and rear single glazed timber windows with new conservation style UPVc double glazed windows

    11 NORTHWOOD ROAD HAREFIELD

    Received 21 Jan 2021
  10. Refusal78250/APP/2025/690

    Conversion of existing dwelling into 2no. 2-bedroom flats.

    120 CHURCH ROAD HAYES UB3 2LW

    Received 12 Mar 2025
  11. Undecided60628/APP/2026/2109

    Proposed 2 storey side and part rear extensions.

    44 HALSWAY HAYES MIDDLESEX UB3 3JT

    Received 27 Aug 2026
  12. Refusal75611/APP/2020/4200

    Two x 3-bed semi-detached dwellings with associated parking and amenity space, single storey rear extension to No.27 and installation of vehicular crossover to front

    27 PRINCES PARK AVENUE HAYES

    Received 17 Dec 2020
  13. Approval54633/APP/2023/1863

    Erection of an outbuilding to rear garden (Retrospective application)

    9 THACKERAY CLOSE HILLINGDON

    Received 26 Jun 2023
  14. Approval68911/APP/2020/3218

    Addition of a single storey 2 classroom extension at the existing Lake Farm Academy building

    LAKE FARM PARK ACADEMY BOTWELL COMMON ROAD HAYES UB3 1JA

    Received 7 Oct 2020
  15. Approval25204/APP/2023/1703

    Erection of single storey extension to rear and side.

    17 LYNHURST CRESCENT HILLINGDON

    Received 12 Jun 2023
  16. Approval4450/APP/2020/3865

    Details pursuant to conditions 14 (Bird Hazard Management Plan) and 21 (CHP and Gas Boilers) of planning consent 4450/APP/2020/515 dated 13.11.20 (Construction of a new three-storey 4FE primary school (to replace the existing Nanaksar Primary School) with associated hard and soft landscaping, outdoor sports provision, car parking and new access arrangement)

    GURU NANAK MULTI ACADEMY TRUST SPRINGFIELD ROAD HAYES UB4 0LT

    Received 24 Nov 2020
  17. Approval75609/APP/2021/4057

    Replacement of front and side elevation windows with wooden sash windows painted white with double-glazing

    Flat 6 CLEVELAND LODGE 7 CLEVELAND ROAD UXBRIDGE MIDDLESEX UB8 2DW

    Received 1 Nov 2021
  18. Approval66632/APP/2022/2054

    Change of use from Class C3 (single dwelling house) to Class C4 (HMO between three and six unrelated individuals) (Application for a Lawful Development Certificate for a Proposed Use).

    35 NORTHFIELD PARK HAYES MIDDLESEX UB3 4NU

    Received 28 Jun 2022
  19. Refusal4140/APP/2021/2781

    Two storey side/rear extension, single storey rear extension and conversion of roof space to habitable use to include a rear dormer and conversion of roof from hip to gable end

    20 DORSET AVENUE HAYES

    Received 15 Jul 2021
  20. Approval33793/APP/2023/2259

    Conversion of roof space to habitable use to include a rear dormer with 2 juliette balconies, 1 front facing roof light and 1 side facing roof light (Application for a Certificate of Lawful Development for a Proposed Development)

    8 BARNACRE CLOSE COWLEY UXBRIDGE

    Received 31 Jul 2023
  21. Approval34125/APP/2023/2822

    Erection of a single storey rear extension.

    12 CROMWELL ROAD HAYES

    Received 26 Sept 2023
  22. Approval58356/APP/2024/3202

    Construction of an outbuilding in the rear garden.

    188 NESTLES AVENUE HAYES MIDDLESEX

    Received 5 Dec 2024
  23. Approval72919/APP/2023/2790

    Conversion of roof space to habitable use to include a rear dormer, 2 front roof lights and new gable end window.

    16 Fowler Way Uxbridge

    Received 21 Sept 2023
  24. Approval74833/APP/2023/1133

    Details pursuant to the discharge of Condition 5(c) iv (imported soils) of planning permission ref.74833/APP/2019/3572, dated 31-12-2019 (Prior Approval for the change of use from offices (Use class B1a) to 10 residential units (8 x 1 bedroom and 2 x 2 bedroom) (Use class C3))

    HOWARD HOUSE THE RUNWAY RUISLIP HA4 6SE

    Received 18 Apr 2023

Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.

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Researching a proposal in London Borough of Hillingdon

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Guides to planning records

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  • Understanding planning · 13 min read

    Planning application documents: what to read first

    Understand planning application documents, officer reports and decision notices. Use a reading checklist, document table and worked example to inspect a case.

  • Understanding planning · 13 min read

    Planning permission drawings: how to read plans

    Read planning drawings, floor plans, elevations and sections. Use labelled diagrams, a drawing comparison table and revision checks to understand a proposal.

  • Property research · 13 min read

    Planning approval rates: how to read council statistics

    Understand planning approval rates with an interactive calculator, worked examples and comparison table. Check sample sizes, outcomes and coverage before comparing.

What these statistics cover

These figures describe applications collected by PlanningTrack for London Borough of Hillingdon, across all dates currently available. They are a partial dataset, rather than an authority-wide performance measure. The date range does not establish continuous historical coverage.

The approval percentage is approved records divided by approved plus refused records. Pending, withdrawn and unknown outcomes are excluded. No percentage is shown until there is an approved or refused record.

Check collection coverage