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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
25,731Searchable applications
441Recorded as pending
79%Approval rate · 23,948 approved or refused records
4,939Refused applications

19,009 approved · 4,939 refused · 986 withdrawn. Received dates in our records: 20 Dec 2019 to 5 Oct 2026. Most recent record check: 14 Oct 2026. Counts reflect the last collected status; some records may be out of date.

Local planning information

Council sources checked 14 Sept 2026
Planning information Planning and building controlLocal plan Planning policyPre-application advice Pre-application process and feesArticle 4 directions Article 4 Directions

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. Refusal5104/APP/2024/2558

    Retention of partially complete single storey rear conservatory (Retrospective application)

    5 MAYLANDS DRIVE UXBRIDGE

    Received 24 Sept 2024
  2. Approval75643/APP/2023/91

    Erection of a single storey rear extension and installation of new side door and window

    7 BRANDVILLE ROAD WEST DRAYTON UB7 9DA

    Received 11 Jan 2023
  3. Approval78287/APP/2023/2816

    Erection of an external cycle store.

    UNIT 3 CHARTRIDGE DEVELOPMENT ESKDALE ROAD UXBRIDGE UB8 2RT

    Received 25 Sept 2023
  4. Approval24254/APP/2021/1154

    Two storey rear extension, porch to side, addition of a single storey lean to (shed), external render to lower facade and addition of a raised patio with underneath storage

    34 HALLAND WAY NORTHWOOD

    Received 23 Mar 2021
  5. Approval898/TRE/2020/285

    To remove One Hawthorn T121 on TPO 13

    3 MOOR PARK ROAD NORTHWOOD HA6 2DL

    Received 6 Oct 2020
  6. Approval74264/APP/2020/3261

    Part single, part two storey side/rear extension

    17 NINE ELMS CLOSE COWLEY MIDDLESEX

    Received 11 Oct 2020
  7. Prior Approval N/Req76996/APP/2022/150

    Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 4.0 metres, for which the maximum height would be 3.0 metres, and for which the height of the eaves would be 3.0 metres

    95 GROSVENOR CRESCENT HILLINGDON

    Received 19 Jan 2022
  8. Approval66841/APP/2021/4215

    Erection of two storey side and rear extension, and single storey rear extension and conversion from dwelling house to 2 no. flats. (1 x 2-bedroom and 1 x 1-bedroom).

    70 HAIG ROAD HILLINGDON

    Received 15 Nov 2021
  9. Refusal19472/APP/2026/1247

    Erection of double storey side and rear extensions, amendments to fenestration, following the demolition of an existing rear conservatory and side garage.

    31 CEDARS DRIVE UXBRIDGE

    Received 20 May 2026
  10. Approval41186/APP/2022/3491

    Construction of additional floor on top of Units 1-4 Peter James Business Centre.

    UNITS 1-4 PETER JAMES BUSINESS CENTRE PUMP LANE HAYES

    Received 15 Nov 2022
  11. Approval16692/APP/2020/2346

    Details pursuant to conditions 3 (Materials), 5 (Waste Storage), 6 (Boundary Treatment) and 7 (Sound Proofing) of Secretary of State's Appeal Decision Ref: APP/R5510/W/19/3243641 dated 08/06/2020 (LBH Ref: 16692/APP/2019/3270 dated 06/12/2019) First floor rear extension to allow for conversion of existing two storey dwelling into 1 x 1-bed and 1 x 2-bed self contained flats, with associated parking and amenity space

    115 LABURNUM ROAD HAYES

    Received 28 Jul 2020
  12. Refusal73808/APP/2022/3684

    Erection of a single storey side extension

    71 MILDRED AVENUE HAYES MIDDLESEX UB3 1TP

    Received 6 Dec 2022
  13. Approval73080/APP/2020/4077

    Non-material amendment to Planning Permission Ref: 73080/APP/2018/2707 to remove 4 rooflights, 4 windows on front facade, 4 windows on ground floor and 4 windows on first floor

    GARAGES SITE BETWEEN 15B AND 17/17A NORTHDOWN CLOSE RUISLIP HA4 6JZ

    Received 8 Dec 2020
  14. Approval50855/APP/2022/2011

    Erection of a single storey side/rear extension with internal alterations and all associated works

    20 ADDISON WAY NORTHWOOD

    Received 23 Jun 2022
  15. Approval79759/APP/2025/2730

    Erection of single storey front, side and rear extensions, conversion of roof space to habitable use including raising the ridge, crown roof formation, rear dormer, roof lights and amendments to fenestration and materials.

    36 HOWLETTS LANE RUISLIP HA4 7RS

    Received 23 Oct 2025
  16. Approval28037/APP/2024/2502

    Conversion of a single family dwelling (Class C3) into a 6-person HMO (Class C4)

    6 WENTWORTH DRIVE EASTCOTE PINNER

    Received 17 Sept 2024
  17. Approval2297/APP/2022/58

    Details pursuant to conditions 3 (Arboricultural Method Statement) and 10 (Landscaping) of planning permission reference: 2297/APP/2021/3875, dated 16-12-2021, for the construction of a single-storey block of modular classrooms for a temporary period of 36 months.

    MINET JUNIOR SCHOOL AVONDALE DRIVE HAYES

    Received 11 Jan 2022
  18. Approval40381/APP/2021/1365

    Single storey side/rear extension and extension to porch

    46 MIDDLETON DRIVE PINNER

    Received 6 Apr 2021
  19. Approval532/APP/2020/1083

    Details pursuant to condition 23 (Bird Hazard Management Plan) of planning consent ref 532/APP/2018/3375 dated 19.02.19 (Erection of a new 7 storey 7,685m2 learning and teaching centre (Use Class D1) with associated landscaping and access works, involving the demolition of the existing John Crank building)

    JOHN CRANK BUILDING, BRUNEL UNI KINGSTON LANE HILLINGDON UB8 3PH

    Received 3 Apr 2020
  20. Refusal27186/APP/2023/3171

    Erection of outbuilding to rear garden (Application for a Certificate of Lawful Development for a Proposed Development)

    24 PINKWELL AVENUE HAYES

    Received 2 Nov 2023
  21. Approval76289/APP/2021/1136

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

    56 SWAN ROAD WEST DRAYTON UB7 7JZ

    Received 22 Mar 2021
  22. Approval74926/APP/2021/3575

    Proposed construction of 4 x 2 storey terrace houses with all associated parking and external works.

    FORMER GARAGES SITE R/O 27-45 PETWORTH GARDENS HILLINGDON UB10 9HQ

    Received 20 Sept 2021
  23. Approval1556/APP/2022/315

    Erection of outbuilding to rear garden for games room with pitch roof and roof windows.

    26 CHAUCER AVENUE HAYES

    Received 3 Feb 2022
  24. Undecided12851/APP/2026/1842

    Erection of boundary wall and covered entrance ways (Retrospective)

    2 COURT ROAD ICKENHAM

    Received 24 Jul 2026

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

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

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    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.

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  • 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.

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  • 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.

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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.

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