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
25,892Searchable applications
441Recorded as pending
79%Approval rate · 24,104 approved or refused records
4,989Refused applications

19,115 approved · 4,989 refused · 989 withdrawn. Received dates in our records: 6 Dec 2019 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 Counts reflect the last collected status; some records may be out of date.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. Approval4559/APP/2021/434

    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 3.78 metres and for which the height of the eaves would be 2.86 metres

    30 ROY ROAD NORTHWOOD

    Received 3 Feb 2021
  2. Approval4482/APP/2026/794

    Details pursuant to the discharge of Condition 11 (Piling) of planning permission ref. 4482/APP/2022/213, dated 10/10/2024 (Erection of three storey mixed use retail and 9 residential apartments with ancillary parking, amendments to dropped kerbs, refuse and bicycle storage, following the demolition of existing buildings.)

    152-154 UXBRIDGE ROAD HAYES UB4 0JH

    Received 26 Mar 2026
  3. Approval72815/APP/2020/206

    Use of dwelling as a 6-bed, 6 person House in Multiple Occupation (Application for a Certificate of Lawful Development for a Existing Development)

    10 GREATFIELDS DRIVE HILLINGDON UB8 3QN

    Received 22 Jan 2020
  4. Refusal77108/APP/2022/691

    Retrospective Application for the use of the ground floor as a banqueting suite, with associated ancillary facilities at basement level for private civil ceremonies, weddings and parties (Sui Generis)

    Hillingdon House, Banqueting Suite WREN AVENUE UXBRIDGE UB10 0FD

    Received 1 Mar 2022
  5. Approval78544/APP/2024/249

    Erection of a single storey extension to the rear, erection of outbuilding to side, amendments to fenestration, demolition of existing car port, and the proposal to add white render finish to all new and existing external walls, and new natural stone paving slabs to side and rear patio.

    4 MEADOW WAY EASTCOTE HA4 8TE

    Received 31 Jan 2024
  6. Approval23179/APP/2026/395

    Erection of a single storey extension to the side/rear, increased width of the decking/patio space and the demolition of existing garage.

    18 WEST HATCH MANOR RUISLIP

    Received 15 Feb 2026
  7. Approval40278/APP/2026/67

    Variation of Conditions 2 (Approved Plans) of planning permission ref. 40278/APP/2024/90, dated 28-03-2024 (Erection of a single storey extension to the rear, following the demolition of existing outbuilding.) to install a roof lantern.

    64 HARTLAND DRIVE RUISLIP

    Received 9 Jan 2026
  8. Approval37403/APP/2020/1687

    Details pursuant to Conditions 7 (Noise Levels) and 8 (Noise Mitigation) of planning permission ref: 37403/APP/2018/4475 dated 15/03/2019 (Refurbishment and extension of B1 office building including two-storey extension (net increase of 1,120sqm GEA floorspace), recladding of the retained structure and rooftop plant enclosures, and reconfiguration of hard and soft landscaping and vehicular and cycle parking).

    6 ROUNDWOOD AVENUE STOCKLEY PARK

    Received 2 Jun 2020
  9. Approval46609/TRE/2022/140

    To carry out tree surgery including a crown reduction by 1.5m to Two Oaks T31 &T33 and Three Hornbeams T35, T36 & T37 all on TPO 212

    11 FRINGEWOOD CLOSE NORTHWOOD

    Received 26 Jul 2022
  10. Prior Approval N/Req78029/APP/2023/1399

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

    26 DOGHURST AVENUE HARLINGTON UB3 5BJ

    Received 15 May 2023
  11. Approval703/APP/2024/1803

    Retention of Existing First Floor Extension (Application for a Certificate of Lawful Development for a Existing Development)

    10 COLBROOK AVENUE HAYES

    Received 8 Jul 2024
  12. Approval76071/APP/2020/4037

    Single storey extension to existing outbuilding

    40 WHITEHEATH AVENUE RUISLIP

    Received 4 Dec 2020
  13. Approval44843/APP/2026/1904

    Extension of roof to include a rear dormer with Juliet balcony, hip to gable on the each side of the roof, 2 front roof lights, and amendments to existing front dormer window (Application for a Certificate of Lawful Development for a Proposed Development)

    1 GREEN LANE UXBRIDGE

    Received 31 Jul 2026
  14. Refusal (Appealed)43797/APP/2022/1764

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

    BRIDGE HOUSE, 1A BRIDGE WAY ICKENHAM

    Received 30 May 2022
  15. Approval79111/APP/2024/2762

    Erection of a single storey rear extension.

    45 CAVENDISH AVENUE RUISLIP HA4 6QJ

    Received 17 Oct 2024
  16. Approval20752/APP/2024/3293

    Conversion of roof space to habitable use to include a rear dormer, 3 front roof lights. Replacement of front facing window with door (Application for a Certificate of Lawful Development for a Proposed Development)

    26 SULLIVAN CRESCENT HAREFIELD

    Received 18 Dec 2024
  17. Approval68974/APP/2020/2138

    Details pursuant to the discharge of Condition 22 (Energy) of planning application reference 68974/APP/2018/2146 (Application for demolition of all buildings on site to enable redevelopment to provide 118 new residential units and commercial floor space with a new vehicle access, associated vehicle and cycle parking, communal amenity space, child play space and associated landscaping and plant).

    30/32 BLYTH ROAD HAYES UB3 1BY

    Received 10 Jul 2020
  18. Approval56397/APP/2022/3478

    Erection of a single storey rear extension

    124 WOODLANDS AVENUE RUISLIP

    Received 14 Nov 2022
  19. Prior Approval N/Req77990/APP/2023/1196

    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 3.5 metres, and for which the height of the eaves would be 2.5 metres

    13 VICTORIA LANE HARLINGTON UB3 5EW

    Received 24 Apr 2023
  20. Approval50469/APP/2025/897

    Erection of a single storey extension to the rear, erection of a single storey extension to the side

    41 NEWCROFT CLOSE HILLINGDON

    Received 31 Mar 2025
  21. Approval41657/APP/2025/3011

    Erection of first floor part side part rear extension

    58 BLACKTHORN AVENUE WEST DRAYTON

    Received 1 Dec 2025
  22. Refusal75328/APP/2020/3570

    Change of use of 2 dwellings (Use Class C3) to a building for the provision of education (Use Class F1a)

    26-28 DOWDING ROAD HILLINGDON UB10 0RH

    Received 22 Oct 2020
  23. Refusal (Appealed)23160/APP/2020/2106

    Conversion of roof space to habitable use to include a rear dormer and 1 front rooflight

    15 SHARPS LANE RUISLIP

    Received 8 Jul 2020
  24. Refusal62697/APP/2020/2921

    Two storey side extension, part two storey, part single storey rear extension, porch to front and addition of 2 rooflights

    159 WINDSOR AVENUE HILLINGDON MIDDX UB10 9BA

    Received 14 Sept 2020

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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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.

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