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
26,456Searchable applications
441Recorded as pending
79%Approval rate · 24,641 approved or refused records
5,145Refused applications

19,496 approved · 5,145 refused · 1,005 withdrawn. Received dates in our records: 17 Oct 2019 to 5 Oct 2026. Most recent record check: 15 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 Counts reflect the last collected status; some records may be out of date.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. Refusal55611/APP/2020/4318

    Installation of vehicular crossover to front

    290 JOEL STREET EASTCOTE MIDDLESEX HA5 2PY

    Received 30 Dec 2020
  2. Approval17424/APP/2025/3146

    Retention of habitable roof space including a rear dormer, 2 front roof lights and hip to gable end with a new gable end window (Application for a Certificate of Lawful Development for a Existing Development).

    138 QUEENS WALK RUISLIP

    Received 15 Dec 2025
  3. Approval3661/APP/2021/2526

    Replacement SFMC266 electrical meter cabinet (Application under Part 16 of Schedule 2 to the Town and Country Planning (General Permitted Development) Order 2015 (as amended) for determination as to whether prior approval is required for siting and appearance)

    ST JOHN THE BAPTIST CHURCH ROYAL LANE HILLINGDON UB8 3QP

    Received 24 Jun 2021
  4. Approval30718/APP/2020/1373

    Single storey outbuilding to rear for use as a sauna/office/chill out area/storage (Application for a Certificate of Lawful Development for a Proposed Development)

    80 SWAKELEYS ROAD ICKENHAM

    Received 29 Apr 2020
  5. Approval8661/APP/2023/566

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

    58 SEDGWICK AVENUE HILLINGDON

    Received 27 Feb 2023
  6. Approval38965/TRE/2022/211

    Possible root pruning to trees protected within woodland 1 on TPO 33 to enable the installation of a root barrier along the frontage of 10 The Close

    10 THE CLOSE HILLINGDON

    Received 11 Oct 2022
  7. Approval79901/APP/2026/288

    Erection of a single storey extension to the rear, conversion of roof space to habitable use to include a rear dormer and 2 x front roof lights

    5 MAXWELL CLOSE HAYES UB3 3DX

    Received 3 Feb 2026
  8. Approval32986/APP/2020/2824

    Part two storey, part single storey rear extension

    100 WARWICK CRESCENT HAYES UB4 8RQ

    Received 4 Sept 2020
  9. Approval5215/APP/2022/2368

    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 (Application for a Certificate of Lawful Development for a Proposed Development)

    9 HERLWYN AVENUE RUISLIP

    Received 24 Jul 2022
  10. Approval78494/APP/2026/874

    Erection of a single storey extension to the side/rear, conversion of integral garage to habitable accommodation

    6 WILLOUGHBY AVENUE UXBRIDGE UB10 0FX

    Received 7 Apr 2026
  11. Withdrawn (P)25740/APP/2023/601

    Erection of a part single storey, part two storey side extension (following demolition of detached garage); front porch extension; first floor rear window and removal of ground floor rear windows with door (amendments to previous application ref. 25740/APP/2022/1772)

    179 BERWICK AVENUE HAYES

    Received 1 Mar 2023
  12. No Further Action(P)39704/APP/2023/3050

    Out of Borough Consultation for the redevelopment of the former Southall Gasworks Site ("Outline planning permission for the demolition of existing buildings and structures on the site, comprehensive phased redevelopment to provide new buildings to accommodate new homes (Use Class C3) flexible commercial uses (Use Classes E and F1 and Sui Generis drinking establishment),education uses (Use Class F1(a), new sports hall (Class E), basement, energy centre, associated cycle and vehicle parking, landscaping, public realm open space and childrens play space and site preparation works. All matters reserved.")

    EALING COUNCIL OUTBOROUGH MIDDLESEX

    Received 20 Oct 2023
  13. Refusal14016/APP/2019/3909

    Erection of a single storey detached garage to front

    193A LONG LANE HILLINGDON

    Received 4 Dec 2019
  14. Approval54672/APP/2023/1091

    Erection of a single storey and part first floor rear extension following demolition of existing conservatory. Addition of one roof light to existing rear extension and new side facing first floor window

    19 FREDORA AVENUE HAYES MIDDLESEX UB4 8RB

    Received 14 Apr 2023
  15. Prior Approval N/Req20201/APP/2022/779

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

    5 OAKDENE ROAD HILLINGDON

    Received 14 Mar 2022
  16. Approval28223/APP/2022/2189

    Conversion of roofspace to habitable use to include a rear dormer roof extension, 2 x front facing rooflights, conversion of roof from hip to gable end with new gable end window, the removal of existing chimney stack together with the erection of a single storey rear outbuilding for use as a garage/workshop (Application for a Certificate of Lawful Development for a Proposed Development).

    178 GROSVENOR AVENUE HAYES

    Received 7 Jul 2022
  17. Approval67847/APP/2025/1042

    Erection of a first floor extension to the rear

    220 WEST END ROAD RUISLIP HA4 6DU

    Received 10 Apr 2025
  18. Approval79141/APP/2024/2928

    Conversion of integral garage to habitable accommodation and amendments to fenestration (Retrospective Application)

    11 AIRDRIE CLOSE HAYES UB4 9SR

    Received 5 Nov 2024
  19. Approval75563/APP/2020/2300

    Single storey side/rear extension, part single, part two storey rear extension, rear and side dormers and conversion of single dwelling into 1 x 3 bed and 1 x 2 bed self contained flats with associated amenities

    69 KEITH ROAD HAYES UB3 4HP

    Received 23 Jul 2020
  20. Approval78025/APP/2023/1389

    Conversion of garage to habitable use

    85 VARCOE GARDENS HAYES UB3 2FJ

    Received 12 May 2023
  21. Approval78423/APP/2025/891

    Details pursuant to the discharge of Condition 6 (Details of Ground Levels) of planning permission ref 78423/APP/2023/3486, Appeal reference APP/R5510/W/24/3351583 dated 31 January 2025 (Erection of a 4no. bedroom dwellinghouse).

    LAND ADJACENT TO 218 NESTLES AVENUE HAYES UB3 4QG

    Received 27 Mar 2025
  22. Approval76261/ADV/2024/20

    Installation of 1 no. internally illuminated fascia sign and 1 no. internally illuminated projecting sign

    29 STATION ROAD HAYES UB3 4DX

    Received 20 Mar 2024
  23. Prior Approval N/Req31386/APP/2021/2431

    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 maximum height of the eaves would be 2.95 metres

    27 POND GREEN RUISLIP

    Received 17 Jun 2021
  24. Approval12149/APP/2022/345

    Erection of a single storey infill extension to the rear and alteration to fenestration on rear including roof lights to the side/rear.

    15 PINN WAY RUISLIP

    Received 7 Feb 2022

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