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
22,480Searchable applications
449Recorded as pending
81%Approval rate · 20,849 approved or refused records
4,051Refused applications

16,798 approved · 4,051 refused · 884 withdrawn. Received dates in our records: 2 Oct 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 Counts reflect the last collected status; some records may be out of date.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. Refusal49690/TRE/2024/42

    To fell One Ash at T4 within TPO 433A

    9 WILLOW END NORTHWOOD

    Received 18 Feb 2024
  2. Approval39193/TRE/2023/243

    To section dismantle to ground level One Hornbeam in rear garden (T1 on map) in area A1 within TPO 400

    20 COPSE WOOD WAY NORTHWOOD

    Received 11 Oct 2023
  3. Prior Approval N/Req43589/APP/2022/3501

    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 3.00 metres, and for which the height of the eaves would be 3.00 metres

    681 FIELD END ROAD RUISLIP

    Received 16 Nov 2022
  4. Approval30997/APP/2023/3283

    Erection of boundary fence (Application for a Certificate of Lawful Development for a Proposed Development)

    10 WOODGATE CRESCENT NORTHWOOD

    Received 13 Nov 2023
  5. Approval15814/APP/2025/964

    Erection of a single storey extension to the rear, erection of front porch, conversion of integral garage to habitable accommodation, amendments to fenestration.

    14 NORTH WAY UXBRIDGE

    Received 2 Apr 2025
  6. Approval14141/APP/2024/863

    Erection of an outbuilding to rear garden following the demolition of the existing shed. (Application for a Certificate of Lawful Development for a Proposed Development)

    7 HURSTFIELD CRESCENT HAYES

    Received 3 Apr 2024
  7. Approval35026/APP/2025/624

    Erection of a first floor rear extension.

    196 LANSBURY DRIVE HAYES

    Received 7 Mar 2025
  8. Refusal8366/APP/2024/1038

    Erection of single storey extension to rear, following the demolition of the existing extension and conservatory (Application for a Certificate of Lawful Development for a Proposed Development)

    15 MAYBANK GARDENS RUISLIP

    Received 22 Apr 2024
  9. Approval38696/APP/2022/3348

    Erection of a first floor rear extension

    9 VERNON DRIVE HAREFIELD

    Received 2 Nov 2022
  10. Approval18760/APP/2025/650

    Erection of single-storey rear extension and conversion of the premises from retail shop to a restaurant, including the erection of a chimney/flue and alterations to external stairs.

    11 THE BROADWAY JOEL STREET NORTHWOOD

    Received 7 Mar 2025
  11. Approval73946/APP/2023/645

    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)

    14 SUNNINGDALE AVENUE RUISLIP MIDDLESEX HA4 9SR

    Received 6 Mar 2023
  12. Approval27921/APP/2023/3333

    Retention of existing outbuilding (Application for a Certificate of Lawful Development for a Proposed Development)

    6 LAWRENCE DRIVE ICKENHAM

    Received 18 Nov 2023
  13. Prior Approval N/Req25772/APP/2020/4313

    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 2.6 metres, and for which the height of the eaves would be 2.6 metres

    70 BOTWELL LANE HAYES

    Received 23 Dec 2020
  14. Withdrawn (P)76353/APP/2021/4621

    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 height of the eaves would be 3 metres

    1 RODNEY GARDENS EASTCOTE HA5 2RS

    Received 23 Dec 2021
  15. Refusal78419/APP/2023/3434

    Erection of external pillar balcony to rear.

    4 & 6 ISLAND APARTMENTS 32 ROYAL QUAY HAREFIELD UB9 6FG

    Received 28 Nov 2023
  16. Approval36712/APP/2025/2868

    Erection of side dormer (Application for a Certificate of Lawful Development for a Proposed Development)

    31 HILLSIDE ROAD NORTHWOOD

    Received 13 Nov 2025
  17. Approval2247/APP/2022/1239

    Non-material amendment to planning permission ref. 2247/APP/2021/3481, dated 19/11/2021 (Erection of single storey side extension) to amend the design of the side extension roof.

    33 THE DRIVE NORTHWOOD

    Received 14 Apr 2022
  18. Approval3704/APP/2022/724

    Erection of a part single, part double storey rear extension

    9 TOWNFIELD SQUARE HAYES

    Received 4 Mar 2022
  19. Approval71916/APP/2020/4036

    Single storey side extension with pitched roof

    3 SHELLEY LANE HAREFIELD UB9 6HP

    Received 4 Dec 2020
  20. Approval46318/APP/2023/2955

    Conversion of garage into habitable room with amendments to fenestrations. Internal ground floor alterations including enclosure of recessed front porch.

    26 REGENTS CLOSE HAYES

    Received 11 Oct 2023
  21. Withdrawn (P)35927/APP/2023/183

    Erection of a double storey side extension and single storey rear extension

    28 GROSVENOR VALE RUISLIP

    Received 20 Jan 2023
  22. Approval76189/TRE/2022/178

    To carry out tree surgery including to remove epicormic and suckers from One Lime (T1098 on application) T1, To reduce lateral growth to provide 1.5m clearance from property to One Sycamore (T658 on application) Within Area 1, To repollard One Acacia (T1 on application) Within Group 1 all on TPO 199. To repollard Four Sorbus (T2644, T1089, T1090, T2645 on application), To crown reduce by 2m One Sycamore (T2649 on application) and To reduce lateral growth to provide 1.5m clearance from property to One Hawthorn (T1105 on application) all protected due to their location within Hillingdon Village Conservation Area

    STREET RECORD CONEY GROVE UXBRIDGE

    Received 5 Sept 2022
  23. Approval72115/APP/2022/1323

    Details pursuant to the discharge of Condition 9, Part A (Asbestos Remediation Strategy) of planning permission ref. 72115/APP/2020/2688, dated 24/02/2021 (Creation of first floor level and change of use of existing offices to create 2 x 2-bed and 3 x 1-bed self contained flats, parking and cycle storage involving alterations to elevations and associated works.)

    17-23 HIGH STREET RUISLIP HA4 7AU

    Received 22 Apr 2022
  24. Approval18267/APP/2021/4348

    Erection of a single storey rear extension

    35 SHALDON DRIVE RUISLIP

    Received 29 Nov 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

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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