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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
23,098Searchable applications
447Recorded as pending
80%Approval rate · 21,439 approved or refused records
4,229Refused applications

17,210 approved · 4,229 refused · 901 withdrawn. Received dates in our records: 14 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 Counts reflect the last collected status; some records may be out of date.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
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. Approval76052/APP/2020/3920

    Conversion of roof space to habitable use to include 2 side dormers, 1 front roof light and conversion of rear of roof from hip to gable end with gable end window (Application for a Certificate of Lawful Development for a Proposed Development)

    29 MARLBOROUGH AVENUE RUISLIP HA4 7NS

    Received 26 Nov 2020
  2. Approval23300/APP/2023/1532

    Erection of a first floor rear extension and single storey rear outbuilding to be used as gym

    9 PRINCES PARK PARADE HAYES

    Received 25 May 2023
  3. Refusal77688/APP/2022/3909

    Erection of a single storey rear extension

    52 ALANDALE DRIVE PINNER HA5 3UY

    Received 28 Dec 2022
  4. Approval1078/APP/2020/2743

    Internal works to expand kitchen facilities (Application for a Certificate of Lawful Development for a Proposed Development)

    THE ADAM & EVE P.H. 830 UXBRIDGE ROAD HAYES

    Received 31 Aug 2020
  5. Refusal76907/APP/2021/4414

    Erection of a single storey rear, plus additional first floor side extension, conversion of existing loft including rear dormer and internal alterations.

    555 BATH ROAD LONGFORD UB7 0EL

    Received 1 Dec 2021
  6. No Further Action(P)71371/APP/2020/3827

    Insertion of mezzanine floor

    UNIT 7B HAYES BRIDGE RETAIL PARK UXBRIDGE ROAD HAYES MIDDLESEX UB4 ORH

    Received 20 Nov 2020
  7. Approval17133/APP/2020/4297

    Single storey side extension and conversion of roofspace to habitable use to include 2 x side dormers (Application for a Certificate of Lawful Development for a Proposed Development).

    86 COPTHALL ROAD WEST ICKENHAM

    Received 24 Dec 2020
  8. Prior Approval N/Req14814/APP/2025/1060

    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 2.95 metres, and for which the height of the eaves would be 2.85 metres

    59 SAUNTON AVENUE HARLINGTON

    Received 11 Apr 2025
  9. Approval79902/APP/2026/293

    Erection of single storey rear extension (Application for a Certificate of Lawful Development for a Proposed Development)

    24 WHITBY ROAD RUISLIP HA4 9DP

    Received 3 Feb 2026
  10. Approval20652/APP/2023/2930

    Reroofing of rear single storey study area, removal of 'false' timber boarding addition of conservation rooflight.

    THE OLD SHOOTING BOX HIGH ROAD EASTCOTE

    Received 6 Oct 2023
  11. Approval16894/ADV/2022/1

    Installation of internally illuminated fascia signs, projecting signs and menu board.

    1-4 HIGH STREET UXBRIDGE UB8 1BP

    Received 6 Jan 2022
  12. Refusal50552/APP/2021/4147

    Two-storey rear extension; first floor side extension above existing side extension including new catslide roof with front dormer and new rooflights with the extensions.

    117 BELMONT ROAD UXBRIDGE

    Received 9 Nov 2021
  13. Approval77926/APP/2023/820

    Erection of single storey rear and side extensions.

    30 ASPEN GROVE EASTCOTE HA5 2NL

    Received 20 Mar 2023
  14. Non Determination (Appealed)79259/APP/2025/181

    Change of use from Use Class C4 (House in Multiple Occupation) to Use Class C2 (Residential institution).

    49A CHILTERN VIEW ROAD UXBRIDGE

    Received 27 Jan 2025
  15. Approval24601/APP/2024/2742

    Details pursuant to the discharge of Condition 6 (Tree Protection) of planning permission ref. 24601/APP/2024/660, dated 10-05-2024 (Part two storey, part single storey rear extension, part two storey, part single storey front extension, conversion of garage to habitable use and raising of roof to allow for the conversion of roof space to habitable use to include roof lights and a rear dormer and a first floor side extension)

    2 PARKWAY HILLINGDON

    Received 14 Oct 2024
  16. Approval79463/APP/2025/1355

    Retention of existing extension to the rear (Part retrospective application)

    15 LYCH GATE WALK HAYES UB3 2NN

    Received 14 May 2025
  17. Approval77630/APP/2025/579

    Erection of a single storey wrap around extension to the side and rear, erection of front porch with patio area.

    28 CRANMER CLOSE RUISLIP HA4 9QF

    Received 3 Mar 2025
  18. Approval55292/APP/2022/2420

    Erection of single storey extension to the side and rear

    17 WINDERMERE AVENUE RUISLIP MIDDLESEX HA4 9RG

    Received 1 Aug 2022
  19. Approval77593/APP/2026/1442

    Erection of a double storey side extension with internal alterations

    87 WOODCROFT CRESCENT HILLINGDON UB10 9JD

    Received 10 Jun 2026
  20. Approval11532/APP/2024/2056

    Conversion of garage into habitable room to include replacement of garage door with window.

    40 BRIDGWATER ROAD RUISLIP

    Received 31 Jul 2024
  21. Approval35883/APP/2022/2133

    Conversion of garage space to habitable use and replacement of timber post between the two adjoining properties with a brick pier

    26 IVY HOUSE ROAD ICKENHAM

    Received 4 Jul 2022
  22. Approval8727/APP/2025/366

    Conversion of roofspace to habitable use, construction of rear dormer and hip to gable end extension, two front roof lights and upper floor side facing window (Certificate of Lawful Development)

    31 FERNCROFT AVENUE RUISLIP

    Received 13 Feb 2025
  23. Refusal41662/APP/2021/779

    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)

    140 PINE GARDENS RUISLIP

    Received 26 Feb 2021
  24. Approval6396/TRE/2021/192

    To carry out tree surgery including to prune back by up to 5m (back into rest of canopy) One Branch over car park to One Oak T21 on TPO 4

    ICKENHAM UNITED REFORMED CHURCH SWAKELEYS ROAD ICKENHAM MIDDLESEX

    Received 26 Jul 2021

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

All planning guides

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    Planning application documents: what to read first

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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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