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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
24,710Searchable applications
442Recorded as pending
80%Approval rate · 22,974 approved or refused records
4,645Refused applications

18,329 approved · 4,645 refused · 954 withdrawn. Received dates in our records: 18 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 Counts reflect the last collected status; some records may be out of date.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
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. Approval57048/APP/2024/3110

    Erection of a first floor extension to the rear

    9 LANNOCK ROAD HAYES MIDDLESEX UB3 2NG

    Received 26 Nov 2024
  2. Refusal38747/APP/2020/3758

    Two storey side/rear extension, porch to front and conversion of roofspace to habitable use to include 2 side dormers, 1 rear dormer and 10 rooflights

    9 CORWELL LANE HILLINGDON

    Received 16 Nov 2020
  3. Refusal36036/APP/2024/1934

    Demolition of the existing outbuilding. Erection of an outbuilding to the rear (Application for a Certificate of Lawful Development for a Proposed Development).

    39 NORMANDY DRIVE HAYES

    Received 16 Jul 2024
  4. Prior Approval N/Req56876/APP/2021/3746

    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 2.40 metres

    65 MAXWELL ROAD WEST DRAYTON MIDDLESEX UB7 9HW

    Received 7 Oct 2021
  5. Approval64888/APP/2021/598

    Installation of 2 outbuildings to rear for use as a games room and home gym/garden room (Application for a Certificate of Lawful Development for a Proposed Development)

    27 CEDARS DRIVE HILLINGDON MIDDLESEX UB10 0JU

    Received 15 Feb 2021
  6. Approval39207/APP/2022/1703

    Non-Material Amendment Application submitted under Section 96A of the Town and Country Planning Act 1990 (as amended), to application reference 39207/APP/2020/2188, dated 24-06-2021, for the redevelopment of the site to provide two industrial units providing industrial floorspace (Use Class B1c/B2/B8) and ancillary offices together with associated parking, access arrangements, landscaping and infrastructure, to amend Conditions 2 (Drawing Numbers) and 3 (Approved Documents). These amendments alter the layout of the external car park, which includes areas for the storage of bins, bicycles and supporting infrastructure, introduce additional doors and change rooflight locations.

    GSK, STOCKLEY PARK IRON BRIDGE ROAD WEST DRAYTON

    Received 25 May 2022
  7. Refusal (Appealed)33924/APP/2023/2780

    Erection of a part single, part double storey rear extension (amended description)

    48 POLE HILL ROAD HILLINGDON

    Received 21 Sept 2023
  8. Prior Approval N/Req76511/APP/2021/2393

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

    351 KINGSHILL AVENUE HAYES UB4 8BT

    Received 15 Jun 2021
  9. Withdrawn (P)76508/APP/2021/2353

    Refurbishment of a children's play area (retrospective).

    LAND OPPOSITE 17 HEACHAM AVENUE ICKENHAM UB10 8TR

    Received 10 Jun 2021
  10. Approval21437/APP/2025/3203

    Conversion of roof space to habitable use to include hip to gable extension, rear dormer, 3x front roof lights, Juliette balcony, and removal of chimney. (Application for a Certificate of Lawful Development for a Proposed Development)

    97 PARK LANE HAYES

    Received 18 Dec 2025
  11. Undecided924/APP/2026/1879

    Details pursuant to the discharge of Conditions 9 (Bat Mitigation Plan) and 13 (Contamination Verification Report) of planning permission ref. 924/APP/2022/3603, dated 24-11-2023 (Demolition of no. 48 and no. 60 Ducks Hill Road, garage and wooden storage unit and the erection of three new buildings comprising of 12 assisted-living units (Class C2), proposed ancillary communal space, including cafe and restaurant, external connecting link building, landscaping and external works).

    DENVILLE HALL DUCKS HILL ROAD NORTHWOOD

    Received 29 Jul 2026
  12. Approval77197/APP/2022/1129

    Change of use from car workshop/tyre centre to MOT centre (Sui Generis)

    3-5 STATION APPROACH SOUTH RUISLIP HA4 6RU

    Received 4 Apr 2022
  13. Approval53556/APP/2022/1860

    Erection of two storey extension to the side and rear.

    79 FAIRHOLME CRESCENT HAYES

    Received 9 Jun 2022
  14. Refusal36748/APP/2023/2176

    Demolition of existing 2-bedroom detached bungalow and erection of a two storey purpose built flat development comprising of 2 x 1-bed self-contained flats and 2 x 2-bed self-contained flats with associated parking, cycle storage, refuse storage and private amenity.

    10 OAKWOOD ROAD PINNER

    Received 21 Jul 2023
  15. Approval77231/APP/2022/1344

    Demolition of existing outbuilding and erection of an outbuilding at rear garden for use as a gym/store/play room

    65 MOUNT PARK ROAD EASTCOTE HA5 2JS

    Received 26 Apr 2022
  16. Approval76367/APP/2021/1576

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

    39 ST MARTINS APPROACH RUISLIP

    Received 21 Apr 2021
  17. Approval9889/APP/2023/1086

    Conversion of roof space to habitable use to include a rear dormer with 2 front roof lights (Application for a Certificate of Lawful Development for a Proposed Development)

    135 ROYAL CRESCENT RUISLIP

    Received 13 Apr 2023
  18. Approval78495/APP/2025/1453

    Conversion of roof space to habitable use to include a rear dormer, 2 x front roof lights with new gable end window

    18 BRAND AVENUE UXBRIDGE UB10 0FU

    Received 23 May 2025
  19. Approval75547/APP/2021/2733

    Conversion of single dwelling house into 2 x 2 bed self contained flats

    20 CONWAY DRIVE HAYES UB3 1QD

    Received 11 Jul 2021
  20. Refusal60539/APP/2020/1481

    Part two storey, part single storey side/rear extension

    15 KINGSWAY HAYES

    Received 11 May 2020
  21. Refusal (Appealed)69148/APP/2023/2680

    The sub-division of No.126A Green Lane into 7 self-contained flats (Application for a Lawful Development Certificate for an Existing Use)

    126A GREEN LANE NORTHWOOD HA6 1AN

    Received 12 Sept 2023
  22. Approval5564/APP/2022/2355

    Change of use of undercroft to provide a wheelchair accessible self-contained residential unit with associated external alterations/works including disabled parking bay.

    53-55 THE BROADWAY JOEL STREET NORTHWOOD HA6 1NZ

    Received 21 Jul 2022
  23. Refusal2279/APP/2023/951

    Relocation of car wash canopy and erection of car repair shed.

    325-331 LONG LANE HILLINGDON UB10 9JU

    Received 30 Mar 2023
  24. Refusal72803/APP/2022/377

    Hip to gable roof extension and rear dormer roof extension (including conversion of roofspace into habitable space); front porch extension (following demolition of existing addition); single storey rear outbuilding (following demolition of existing building); hard and soft landscaping and boundary treatment.

    45 PARKFIELD CRESCENT RUISLIP HA4 0RD

    Received 9 Feb 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

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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