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
20,863Searchable applications
448Recorded as pending
81%Approval rate · 19,299 approved or refused records
3,611Refused applications

15,688 approved · 3,611 refused · 844 withdrawn. Received dates in our records: 4 Feb 2021 to 5 Oct 2026. Most recent record check: 11 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 Counts reflect the last collected status; some records may be out of date.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. Withdrawn (P)1331/APP/2024/66

    Details pursuant to the partial discharge of Condition 31 (Landscaping - Block F3/F4 Only) as attached to planning permission reference 1331/APP/2019/2314 dated 28-06-2021 (Development of 4 no. new buildings comprising residential units (in addition to those approved under planning permission ref: 1331/APP/2017/1883), a basement extension to Block B, flexible commercial uses (Class E) and associated landscaping, access, car parking and other engineering works).

    Block F3/F4, Former Nestle Factory NESTLES AVENUE HAYES

    Received 11 Jan 2024
  2. Approval17578/TRE/2024/89

    To fell One Norway Spruce at T93 within TPO (at 22 Tudor Way)

    20 TUDOR WAY HILLINGDON

    Received 2 May 2024
  3. Refusal (Appealed)67410/APP/2026/387

    Use of existing outbuildings within the residential curtilage of nos. 18-20 Wilmar Close as ancillary accommodation to the main dwellings.

    18-20 WILMAR CLOSE HAYES UB4 8ET

    Received 13 Feb 2026
  4. Approval76551/APP/2025/827

    Details pursuant to the partial discharge of Condition 38 (Be Seen Plan and Energy Performance Reporting) for Phase 1A of planning permission ref. 76551/APP/2021/4502 dated 28-09-2022. Hybrid planning application seeking OUTLINE permission (with all matters reserved) for residential floorspace (Class C3) including demolition of all existing buildings and structures; erection of new buildings; new pedestrian and vehicular accesses; associated amenity space, open space, landscaping; car and cycle parking spaces; plant, refuse storage, servicing area and other works incidental to the proposed development; and FULL planning permission for Block A comprising 30 residential units (Class C3); new pedestrian access; associated amenity space and landscaping; cycle parking, refuse storage, and other associated infrastructure.

    LAND AT AVONDALE DRIVE HAYES

    Received 25 Mar 2025
  5. Approval9261/APP/2022/3868

    Erection of a single storey and part double storey rear extension following demolition of existing outbuilding

    22 WEALD ROAD HILLINGDON

    Received 21 Dec 2022
  6. Approval58255/APP/2024/3235

    Erection of a single storey rear extension, infill of existing porch, conversion of roof space to habitable use to include installation of 2no. rear facing, 1no. side facing and 2no. front facing roof lights, and amendments to fenestration.

    3 HAMLIN CRESCENT EASTCOTE

    Received 10 Dec 2024
  7. Approval59585/APP/2025/2567

    Erection of a single storey rear extension, and conversion of roof space to habitable use comprising of a single dormer window on the rear roof slope with 1no. roof light to the rear and 2no. roof lights to the front roof slope with internal alterations

    2 HASTOE CLOSE HAYES

    Received 3 Oct 2025
  8. Refusal6498/TRE/2023/213

    To fell One Austrian Pine at T50 within TPO 156

    CALVER LODGE, 25 FRITHWOOD AVENUE NORTHWOOD

    Received 13 Sept 2023
  9. Approval79283/APP/2025/340

    Erection of a single storey rear extension adjoining existing rear extension with amendments to the fenestrations including windows and doors.

    3 NORTH COMMON ROAD UXBRIDGE UB8 1PD

    Received 11 Feb 2025
  10. Approval16034/APP/2025/1097

    Details pursuant to the discharge of Condition 13 (Field Removal and Restoration) of planning permission ref. 16034/APP/2023/2812, dated 10-01-2025 (Redevelopment of the Rosedale College site to provide improved teaching and sports facilities. Proposed works to include demolition and renovation of existing buildings, the erection of 2 new buildings, a plant room, social and dining canopies, multi-use games areas, sports fields and football pitches, new parking area and provision of associated infrastructure. Pupil number to remain unchanged).

    ROSEDALE COLLEGE WOOD END GREEN ROAD HAYES UB3 2SE

    Received 15 Apr 2025
  11. Approval8190/APP/2026/201

    Erection of a security fence to extend the existing compound to enclose the new generator.

    HARMONDSWORTH IMMIGRATION DETENTION CENTRE COLNBROOK BY-PASS LONGFORD

    Received 26 Jan 2026
  12. Approval61383/TRE/2024/176

    To carry out tree surgery, To reduce the limb overhanging the garden of 42 Copse Wood Way by 3m to One Oak (T3 on application) within Area 1 on TPO 399

    44 COPSE WOOD WAY NORTHWOOD

    Received 13 Sept 2024
  13. Refusal795/TRE/2026/39

    TPO 3 T18 1x Yew reduce crown by up to 1.5m (height & spread).

    ASHLEIGH THE GREEN HAREFIELD

    Received 23 Feb 2026
  14. Approval34348/APP/2023/2697

    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 3.40 metres, and for which the height of the eaves would be 3.00 metres

    1 LEYBOURNE ROAD HILLINGDON

    Received 13 Sept 2023
  15. Approval76787/APP/2021/3988

    Erection of a single storey rear extension

    29 HARTLAND DRIVE RUISLIP MIDDLESEX HA4 OTU

    Received 26 Oct 2021
  16. Approval53495/APP/2024/1070

    Erection of a part single storey, part two storey extension to the side and rear; conversion of dwelling to 2 x self-contained flats; and associated works.

    29 DEANE AVENUE RUISLIP

    Received 24 Apr 2024
  17. Approval79573/APP/2025/1828

    Erection of a single storey rear extension, installation of ground floor side window and amendments to fenestrations (amended description)

    10 RUFFLE CLOSE WEST DRAYTON UB7 9BP

    Received 4 Jul 2025
  18. Approval9950/APP/2021/3482

    Rebuilding of single storey side/rear extension with flat roof.

    163 LONG LANE HILLINGDON

    Received 14 Sept 2021
  19. Approval80019/APP/2026/923

    Erection of covered shed in storage yard, and removal of telecoms equipment in sublet section of yard (part-retrospective).

    UNIT H, BRAINTREE INDUSTRIAL ESTATE BRAINTREE ROAD RUISLIP HA4 0EJ

    Received 13 Apr 2026
  20. Approval78942/APP/2024/2032

    Erection of a single storey rear and side extension together with the construction of an Infill porch.

    66 LIME GROVE RUISLIP HA4 8RY

    Received 29 Jul 2024
  21. Withdrawn (P)34665/APP/2025/659

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

    7 DERWENT DRIVE HAYES

    Received 13 Mar 2025
  22. Approval61885/APP/2024/2589

    Erection of a single storey extension to the rear

    2 THREE OAKS CLOSE ICKENHAM

    Received 27 Sept 2024
  23. Approval10460/APP/2025/1653

    Erection of a single storey rear extension, following the demolition of existing rear extension.

    33 DERWENT DRIVE HAYES

    Received 16 Jun 2025
  24. Approval17310/APP/2021/3765

    Conversion of roofspace to habitable use including rear dormer roof extension, 2 x front rooflights, hip to gable roof enlargement and 1x side facing window (Application for a Certificate of Lawful Development for a Proposed Development).

    11 RUSHDENE ROAD EASTCOTE PINNER

    Received 7 Oct 2021

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

View all applications

Researching a proposal in London Borough of Hillingdon

Start with the address or application reference. Open a record to read the proposal, dates and available documents, then check the official register for the latest plans and consultation details. If nothing appears, check coverage before treating the result as a complete planning history.

How to search planning applications

Guides to planning records

All planning guides
  • 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