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
23,136Searchable applications
447Recorded as pending
80%Approval rate · 21,471 approved or refused records
4,238Refused applications

17,233 approved · 4,238 refused · 903 withdrawn. Received dates in our records: 11 Aug 2020 to 5 Oct 2026. Most recent record check: 12 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 Counts reflect the last collected status; some records may be out of date.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. Approval2832/APP/2023/344

    Single storey extension to create a covered outdoor seating area to rear

    7 WEST MEAD RUISLIP

    Received 6 Feb 2023
  2. Refusal18253/ADV/2023/7

    Installation of 1 no. non-illuminated projecting sign and 1 no. non-illuminated digitally printed aluminium composite sign

    SECOND FLOOR 20 WINDSOR STREET UXBRIDGE UB8 1AB

    Received 8 Feb 2023
  3. Approval69454/APP/2024/3324

    Construction of a single-storey side extension

    69 ST ANSELMS ROAD HAYES

    Received 19 Dec 2024
  4. Approval17175/APP/2024/1045

    Installation of two side dormers to existing habitable roof space (Application for a Certificate of Lawful Development for a Proposed Development)

    139 BELMONT ROAD UXBRIDGE

    Received 22 Apr 2024
  5. Approval14289/APP/2024/2843

    Erection of a first floor extension to the rear.

    31 BLACKLANDS DRIVE HAYES

    Received 28 Oct 2024
  6. Refusal (Appealed)77105/APP/2022/2498

    Demolition of garage, erection of single storey side extension and alterations to existing rear ground floor fenestration

    15 MYRTLE AVENUE RUISLIP HA4 8SA

    Received 9 Aug 2022
  7. Approval33968/APP/2021/4346

    Demolition of existing rear extension and conservatory and erection of a single storey rear extension.

    94 PARK AVENUE RUISLIP

    Received 26 Nov 2021
  8. Prior Approval N/Req73647/APP/2023/3109

    Change of use from Use Class E(g)(iii) to 4 x self-contained flats residential use (Use Class C3)

    75A BRIDGE ROAD UXBRIDGE

    Received 25 Oct 2023
  9. Approval39601/APP/2022/650

    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 with new gable end window following removal of side chimney (Application for a Certificate of Lawful Development for a Proposed Development)

    55 HALLOWELL ROAD NORTHWOOD

    Received 24 Feb 2022
  10. Withdrawn (P)24199/APP/2023/3095

    Erection of a single storey side extension and part double, part single storey rear extensions including amendment to fenestration, roof extension and demolition of existing side garage (revised description)

    50 CHENEY STREET EASTCOTE

    Received 25 Oct 2023
  11. Refusal21931/APP/2021/3330

    Erection of a single storey extension to the side and rear and erection of a porch to front

    57 NORTH VIEW EASTCOTE PINNER

    Received 1 Sept 2021
  12. Approval78617/APP/2024/506

    Erection of a single storey extension to rear and amendments to fenestration.

    79 BIRCHWAY HAYES UB3 3PB

    Received 28 Feb 2024
  13. Approval79692/APP/2025/2449

    Conversion of roof space to habitable use to include a rear dormer with Juliette balcony, 3 x front roof lights, conversion of roof from hip to gable end, erection of a front porch, and erection of outbuilding to rear garden following demolition of existing outbuildings (Application for a Certificate of Lawful Development for a Proposed Development)

    31 DICKENS AVENUE HILLINGDON UB8 3DL

    Received 22 Sept 2025
  14. Approval19968/APP/2025/3098

    Conversion of roof space to habitable use to include Rear dormer, juliette balcony, 3x front rooflights, and erection of outbuilding to rear garden, following the demolition of the existing garage (Application for a Certificate of Lawful Development for a Proposed Development)

    43 CRAIG DRIVE HILLINGDON

    Received 9 Dec 2025
  15. Approval42413/APP/2025/3241

    Part demolition, alterations and extension to the dwellinghouse and barn (Application for Listed Building Consent) (associated with Householder application ref. 42413/APP/2025/3240)

    OLD CLACK FARM TILE KILN LANE HAREFIELD

    Received 23 Dec 2025
  16. Approval35896/APP/2022/2262

    Conversion of integral garage to habitable accommodation, erection of single storey extensions to the front and rear with a raised patio.

    82 HIGHLAND ROAD NORTHWOOD

    Received 15 Jul 2022
  17. Approval4131/APP/2022/3914

    Insertion of windows and door into the rear elevation

    60 HIGH STREET RUISLIP

    Received 28 Dec 2022
  18. Approval79366/APP/2025/773

    Erection of a rear single-storey extension and installation of an accessibility handrail and ramp on the frontage.

    63 WOODLANDS AVENUE RUISLIP HA4 9RQ

    Received 19 Mar 2025
  19. Approval32279/APP/2025/1571

    Erection of outbuilding to rear garden.

    31 DENZILOE AVENUE HILLINGDON

    Received 5 Jun 2025
  20. Screen/Scope Issued74962/APP/2025/1832

    Request for a Screening Opinion under The Town and Country Planning (Environmental Impact Assessment) Regulations 2017 for proposed residential development and demolition of existing structures.

    GRAYS ROAD SITE (JACKSON RD, JACKSON CL & THOMPSON RD) GRAYS ROAD UXBRIDGE

    Received 4 Jul 2025
  21. Prior Approval N/Req76892/APP/2021/4335

    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 3.24 metres, and for which the height of the eaves would be 3 metres

    64 BIDEFORD ROAD RUISLIP HA4 0UD

    Received 25 Nov 2021
  22. Approval32474/APP/2021/994

    Conversion of roof space to habitable use to include a rear dormer, 3 front rooflights and conversion of roof from hip to gable end with gable end window (Application for a Certificate of Lawful Development for a Proposed Development)

    5 FORRIS AVENUE HAYES

    Received 14 Mar 2021
  23. Refusal10330/APP/2021/3766

    Replace existing garage and single storey rear extension with a two storey side and single storey rear extension.

    3 PAMELA GARDENS EASTCOTE PINNER

    Received 7 Oct 2021
  24. Refusal (Appealed)75963/APP/2024/1397

    Part single; part two-storey rear extension to the host dwelling (following demolition of rear extension); part single part two-storey side/rear extension to form an attached new dwelling (following demolition of side extension); raising of overall ridge height; removal of front gable to host dwelling; sub-division of site; hard and soft landscaping; boundary treatment; new vehicular crossover including alterations to the existing parking provision and refuse/cycle storage (amended description)

    26 WINDSOR AVENUE HILLINGDON UB10 9AT

    Received 24 May 2024

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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How to search planning applications

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