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
23,684Searchable applications
447Recorded as pending
80%Approval rate · 21,998 approved or refused records
4,392Refused applications

17,606 approved · 4,392 refused · 917 withdrawn. Received dates in our records: 29 Jun 2020 to 5 Oct 2026. Most recent record check: 13 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 Counts reflect the last collected status; some records may be out of date.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. Approval60490/APP/2025/2859

    Erection of single storey rear extension following the demolition of existing conservatory.

    55 GROSVENOR CRESCENT HILLINGDON MIDDLESEX

    Received 13 Nov 2025
  2. Prior Approval N/Req42897/APP/2020/2482

    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 2.8 metres

    9 SHOWERS WAY HAYES

    Received 11 Aug 2020
  3. Approval76493/APP/2021/3166

    Single storey rear extension; new side window and removal of rear chimney.

    334 LANSBURY DRIVE HAYES UB4 8SW

    Received 17 Aug 2021
  4. Refusal45474/APP/2022/3693

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

    20 CAVENDISH AVENUE RUISLIP

    Received 6 Dec 2022
  5. Approval7772/APP/2022/2396

    Details Pursuant to Condition 11.2.d (car parking) of planning permission ref. 7772/APP/2021/4495 dated 19/06/2022 for the Refurbishment of existing Hotel including two storey side extension, two storey purpose built accommodation units, basement, outdoor amenity space, refuse areas, access alterations with new gate, plant room, cafe and associated parking and external alterations

    FOUNTAIN HOUSE HOTEL, 116-118 CHURCH ROAD HAYES

    Received 27 Jul 2022
  6. Refusal1331/APP/2024/173

    Details pursuant to the partial discharge of Condition 7 (Floor Levels - Block B Only) as attached to planning permission reference 1331/APP/2019/2314 dated 28-06-2021 (Development of 4 no. new buildings comprising residential units (in addition to those approved under planning permission ref: 1331/APP/2017/1883), a basement extension to Block B, flexible commercial uses (Class E) and associated landscaping, access, car parking and other engineering works).

    Block B, Former Nestle Factory NESTLES AVENUE HAYES

    Received 23 Jan 2024
  7. Approval76661/APP/2022/1186

    Details Pursuant to Condition 5 (manufacturer information of conservation rooflights) of planning permission ref. 76661/APP/2021/3059 dated 12/01/2022 for a Single Storey Rear Extension.

    8 ST MARTINS ROAD WEST DRAYTON UB7 7EP

    Received 11 Apr 2022
  8. Approval7222/APP/2021/1550

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

    26 DULVERTON ROAD RUISLIP

    Received 19 Apr 2021
  9. Approval77335/APP/2022/2629

    Erection of a single storey rear extension with a roof lantern

    72 LYNMOUTH DRIVE RUISLIP MIDDLESEX HA4 9B2

    Received 22 Aug 2022
  10. Approval76552/APP/2021/2592

    Conversion of roof space to habitable use to include a rear dormer (Application for a Certificate of Lawful Development for a Proposed Development)

    211 THIRLMERE GARDENS NORTHWOOD HA6 2GA

    Received 30 Jun 2021
  11. Approval14861/APP/2020/3890

    Raising of roof ridge to create additional habitable floorspace to include an enlarged side dormer and partial gable end

    11 MAHLON AVENUE RUISLIP

    Received 24 Nov 2020
  12. Approval27251/APP/2023/1776

    Erection of single storey side/rear extension and front porch. Partial demolition and extension of garage.

    37 ROWAN ROAD WEST DRAYTON

    Received 19 Jun 2023
  13. Withdrawn (P)77125/APP/2022/778

    Conversion of garage to habitable room and alteration to existing conservatory roof to pitched roof together with associated alterations at ground floor level to the front and side elevations of the dwellinghouse (Application for a Certificate of Lawful Development for a Proposed Development).

    16 HYACINTH DRIVE UXBRIDGE UB10 9QW

    Received 8 Mar 2022
  14. Approval46022/APP/2021/2840

    Single storey rear and part two storey rear extension and alterations to fenestration

    74 HAYES END DRIVE HAYES

    Received 21 Jul 2021
  15. Approval22110/APP/2021/2647

    Conversion of roofspace to habitable use to include a rear dormer and 3 front rooflights (Application for a Certificate of Lawful Development for a Proposed Development)

    50 HATHERLEIGH ROAD RUISLIP

    Received 5 Jul 2021
  16. Approval21512/APP/2023/2480

    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)

    46 PINKWELL AVENUE HAYES

    Received 18 Aug 2023
  17. Approval48522/APP/2021/4010

    Single storey rear extension, single storey front extension, demolition of garage and erection of single storey side extension and alteration of roof from gabled to hipped roof to include 1 front and 1 rear dormer and 4 x rooflights.

    36 HILLSIDE ROAD NORTHWOOD

    Received 28 Oct 2021
  18. Refusal44230/APP/2020/3738

    Part two storey, part single storey side/rear extension and extension to existing crossover.

    74 HARVEY ROAD HILLINGDON

    Received 16 Nov 2020
  19. Approval371/APP/2024/2839

    Variation of Condition 2 (Permissible Hours) of planning permission ref. 371/AA/85/905, dated 16-08-1985 (Change of use of shop to a restaurant and hot food take away with ancillary office, storage, staff and rest room facilities at 22/24 Station Road, Hayes)

    MCDONALDS, 22-24 STATION ROAD HAYES

    Received 25 Oct 2024
  20. Refusal3638/APP/2025/2108

    Change of use of existing nightclub (Sui Generis) to a banqueting suite (Sui Generis) and development of a hotel (Use Class C1) including the change of use of existing gymnasium (Use Class E) and associated landscaping, car and cycle spaces (Part retrospective).

    FORMER REGAL CINEMA 233 HIGH STREET UXBRIDGE UB8 1LD

    Received 6 Aug 2025
  21. Approval43100/APP/2025/1424

    Erection of a first-floor extension over existing building to create a two storey dwelling

    31 GREAT CENTRAL AVENUE RUISLIP

    Received 21 May 2025
  22. Undecided42228/APP/2025/1401

    Change of use from Use Class E(g)(i) (Office) to Use Class E(g)(i) (Office) and Use Class C3 (Residential) to include the creation of 34 self-contained residential units (22 one-bedroom and 12 two-bedroom) and associated fenestration amendments, landscape, and other works.

    Salamander Quay PARK LANE HAREFIELD UB9 6NZ

    Received 19 May 2025
  23. Approval36120/APP/2022/2815

    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)

    51 LONG LANE HILLINGDON

    Received 13 Sept 2022
  24. Approval12868/APP/2022/3879

    Conversion of garage to habitable space, single storey rear extension, replacement front and rear windows to match existing, replacement roof tiles to match existing, new steps to front elevation, new patio to rear with steps

    45 ST LAWRENCE DRIVE EASTCOTE PINNER

    Received 22 Dec 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