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
24,868Searchable applications
442Recorded as pending
80%Approval rate · 23,120 approved or refused records
4,693Refused applications

18,427 approved · 4,693 refused · 962 withdrawn. Received dates in our records: 5 Mar 2020 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 Counts reflect the last collected status; some records may be out of date.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

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. Approval71945/APP/2023/855

    Erection of a part double storey and part single storey extension to the side and rear of the dwelling with side roof light. Erection of front porch with new front door and amendments to fenestration. Erection of outbuilding to rear garden.

    28 WEST WALK HAYES UB3 3JH

    Received 21 Mar 2023
  2. Approval33740/APP/2020/3560

    Single storey rear extension

    6 THE PADDOCK ICKENHAM

    Received 2 Nov 2020
  3. Approval44625/APP/2026/2200

    Erection of front porch and single storey side extension (Application for a Certificate of Lawful Development for a Proposed Development).

    11 ANGLE CLOSE UXBRIDGE

    Received 11 Sept 2026
  4. Approval15327/APP/2021/135

    Conversion of roofspace to habitable use to include a rear dormer, 1 front rooflight and conversion of roof from hip to gable end

    101 GLEDWOOD DRIVE HAYES

    Received 13 Jan 2021
  5. Approval55684/APP/2021/4117

    Erection of a single storey rear extension

    53 RUSSELL GARDENS SIPSON

    Received 7 Nov 2021
  6. Approval76648/APP/2026/849

    Conversion of roof space to habitable use to include rear dormer, 3x front roof lights, and juliette balcony to the rear (Application for a Certificate of Lawful Development for a proposed development)

    168 FORE STREET EASTCOTE HA5 2NE

    Received 1 Apr 2026
  7. Approval78789/APP/2025/3196

    Existing use of the dwelling as service accommodation ancillary to Vyners School use (Use Class F1) (Application for a Certificate of Lawful Development for an Existing Use)

    38 WARREN ROAD ICKENHAM UB10 8AD

    Received 17 Dec 2025
  8. Approval39284/APP/2023/986

    Conversion of garage to habitable space

    2 BROOKSIDE UXBRIDGE

    Received 3 Apr 2023
  9. Refusal (Appealed)73915/APP/2021/3221

    Erection of a two storey side extension involving the demolition of an existing single storey garage.

    21 TIVERTON ROAD RUISLIP HA4 0BW

    Received 23 Aug 2021
  10. Approval39606/APP/2021/1349

    Erection of single storey rear extension and single storey side extension to existing bungalow, with associated alterations and works (Application for a Certificate of Lawful Development for a Proposed Development)

    WATERDELL FARM SPRINGWELL LANE HAREFIELD

    Received 6 Apr 2021
  11. Approval2699/ADV/2021/3

    Installation of 1 externally illuminated fascia sign and 1 externally illuminated hanging sign

    103 HILLINGDON HILL HILLINGDON

    Received 28 Jan 2021
  12. Approval77063/APP/2022/804

    Conversion of ground floor garage to habitable space. Erection of a single storey extension to the rear.

    152 WEST END ROAD RUISLIP HA4 6DT

    Received 9 Mar 2022
  13. Refusal (Appealed)30255/APP/2020/4275

    Erection of a two storey building with habitable roofspace to consist of 6 x 2-bed and 1 x 3-bed self-contained flats with parking and amenity space, involving demolition of existing dwelling.

    279 SWAKELEYS ROAD ICKENHAM

    Received 22 Dec 2020
  14. Approval54231/APP/2022/27

    Erection of a single storey side extension including demolition of existing side extension and car port

    3 CROSIER ROAD ICKENHAM

    Received 6 Jan 2022
  15. Approval79195/APP/2025/403

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

    4 MILDRED AVENUE HAYES

    Received 18 Feb 2025
  16. Refusal51655/APP/2022/695

    Erection of a single storey rear extension.

    5 CLOVELLY AVENUE ICKENHAM

    Received 1 Mar 2022
  17. Approval74418/APP/2021/1172

    The removal and replacement of the existing 11.7m monopole with a 20m monopole, the removal and replacement of 1 x BTS3900A cabinet with 1 x Wrap around cabinet, 1 x RBS6130 cabinet and 1 x Wiltshire cabinet, the installation of 1 GPS node affixed to the proposed monopole and ancillary development thereto

    LOMBARDY RETAIL PARK UXBRIDGE ROAD HAYES

    Received 23 Mar 2021
  18. Approval24399/APP/2025/1066

    Change of use from Class E to Fast Food Takeaway (Sui Generis), installation of an extractor fan and flue on rear, changes to the front shopfront. Rebuilding existing rear extension under the stairs.

    37 VICTORIA ROAD RUISLIP

    Received 11 Apr 2025
  19. Prior Approval N/Req79938/APP/2026/485

    Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 3.60 metres, for which the maximum height would be 3.06 metres, and for which the height of the eaves would be 3.00 metres.

    139 YEADING LANE HAYES UB4 0ER

    Received 24 Feb 2026
  20. Approval21877/APP/2025/2590

    Erection of a First Floor Side Extensions and Conversion of roof space to habitable use, including 2. no rear dormers and increasing the ridge height.

    ENDYMION FARM ROAD NORTHWOOD

    Received 7 Oct 2025
  21. Approval63671/APP/2025/2018

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

    4A REPTON AVENUE HAYES UB3 4AF

    Received 28 Jul 2025
  22. Withdrawn (P)74764/APP/2020/3881

    Application for listed building consent to remove and dispose of existing windows to all storeys and stairwells to the Rear (Southern), Side (Eastern) and Side (Western) elevations and replace with Crittal Corporate W20 steel framed, double glazed window system to match existing fenestration patterns and colours.

    CENTRAL LECTURE BUILDING, BRUNEL UNIVERSITY KINGSTON LANE HILLINGDON UB8 3PH

    Received 25 Nov 2020
  23. Refusal20026/APP/2024/885

    Erection of a single storey rear extension and the conversion from a single dwellinghouse to two flats.

    10 RICKMANSWORTH ROAD NORTHWOOD

    Received 4 Apr 2024
  24. Undecided51086/APP/2026/1366

    Variation of Condition 2 of planning permission ref. 51086/APP/2023/2379, dated 02-11-2023 (Front infill extension and addition of a first-floor habitable roof accommodation. (Description change)) to erect a larger front extension altering the front elevation and roof profile.

    30 THE DRIVE ICKENHAM

    Received 1 Jun 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

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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