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
34,407Searchable applications
510Recorded as pending
77%Approval rate · 32,193 approved or refused records
7,304Refused applications

24,889 approved · 7,304 refused · 1,191 withdrawn. Received dates in our records: 15 Oct 2008 to 9 Oct 2026. Most recent record check: 19 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 Counts reflect the last collected status; some records may be out of date.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. Approval21092/APP/2021/315

    Single storey rear infill including demolition of existing conservatory

    35 HOYLAKE CRESCENT ICKENHAM

    Received 25 Jan 2021
  2. Approval19039/APP/2018/2117

    Single storey side/rear extension involving demolition of existing attached garage and single storey rear element

    101 SWEETCROFT LANE HILLINGDON

    Received 8 Jun 2018
  3. Prior Approval N/Req67928/APP/2018/2625

    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 3.18 metres, and for which the height of the eaves would be 3 metres

    44 HOPPNER ROAD HAYES MIDDX UB4 8PZ

    Received 20 Jul 2018
  4. Approval46400/APP/2025/2368

    Variation of Condition 2 (approved plans) of planning permission ref. 46400/APP/2025/70, dated 06-03-2025 (Construction of a single-storey rear outbuilding) to install roof lantern rather than roof lights on the proposed outbuilding.

    15 GREEN LAWNS RUISLIP

    Received 10 Sept 2025
  5. Approval35214/APP/2022/2796

    Removal of entrance canopy and replacement of fascia

    THE PAVILIONS,UXBRIDGE SHOPPING CENTRE HIGH STREET UXBRIDGE

    Received 5 Sept 2022
  6. Refusal30786/APP/2019/1033

    Part two storey, part single storey rear extension, front extension and conversion of garage to habitable use

    15 STANDALE GROVE RUISLIP

    Received 26 Mar 2019
  7. Withdrawn (P)18105/APP/2021/2117

    Change of use from E (a) to E (b) - A1 (shop) to A3 (restaurant)

    658 UXBRIDGE ROAD HAYES

    Received 26 May 2021
  8. Approval30984/APP/2022/1789

    Conversion of roof space to habitable use to include a rear dormer roof extension with juliette balcony, 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)

    86 CROMWELL ROAD HAYES

    Received 8 Jun 2022
  9. Approval30675/APP/2018/2563

    Details pursuant to condition 3 of planning permission Ref: 30675/APP/2015/2995 dated 27/10/2015 (Removal of roof canopy and gates to the HSBC side yard, reduction in height to the boundary wall with neighbouring property and the erection of new timber gates in lieu of existing)

    CHARTER PLACE VINE STREET UXBRIDGE UB8 1JG

    Received 10 Jul 2018
  10. Approval66607/APP/2022/3453

    Erection of a single storey rear extension and installation of car port

    15 ELEANOR GROVE ICKENHAM MIDDLESEX UB10 8BH

    Received 11 Nov 2022
  11. Refusal (Appealed)29142/APP/2018/2765

    Single storey rear extension and first floor side extension to include a front dormer and 2 rear rooflights

    34 WATFORD ROAD NORTHWOOD

    Received 30 Jul 2018
  12. Refusal (Appealed)15585/APP/2018/3673

    Part two storey, part single storey rear extension and conversion of roofspace to habitable use to include 2 side dormers

    128 HOYLAKE CRESCENT ICKENHAM

    Received 16 Oct 2018
  13. Approval58420/APP/2025/351

    Erection of a part single storey, part two storey side extension, single storey rear extension, and conversion of garage space into habitable use.

    20 GREENACRES AVENUE ICKENHAM

    Received 12 Feb 2025
  14. Approval74890/APP/2023/1036

    Relocation of entrance and erection of a porch. Alteration to the first floor fenestration. Erection of a single storey side extension following the demolition of existing outbuilding

    77 WORCESTER ROAD COWLEY UB8 3TH

    Received 6 Apr 2023
  15. Approval77412/APP/2022/2215

    Erection of a single storey rear extension

    15 HOWLETTS LANE RUISLIP HA4 7RR

    Received 11 Jul 2022
  16. Approval10057/APP/2018/3458

    Change of use of the second, third and fourth floors from exhibition space (Use Class D2) to an office (Use Class B1a)

    STAYCITY APARTMENTS, HIGHPOINT VILLAGE STATION APPROACH HAYES UB3 4FD

    Received 27 Sept 2018
  17. Approval35893/APP/2021/4655

    Erection of a part two storey, part single storey side/rear extension, conversion of roofspace to habitable use to include 3 x rear dormers 1 x front dormer and 3 roof lights to side, porch to front and demolition of existing conservatory and garage.

    64 COPSE WOOD WAY NORTHWOOD

    Received 30 Dec 2021
  18. Approval77691/APP/2022/3573

    Demolition of existing extension and erection of single storey rear extension

    12 WINDSOR PARK ROAD HARLINGTON UB3 5HZ

    Received 23 Nov 2022
  19. Approval34273/APP/2020/1264

    Part two storey, part single storey side/rear extension

    112 COPTHALL ROAD WEST ICKENHAM

    Received 21 Apr 2020
  20. Approval62125/APP/2020/3303

    Details pursuant to condition 10 (Traffic Management Plan) of planning permission Ref: 62125/APP/2018/3118 dated 11/06/2019 (Single storey front extension, creation of first floor level and change of use from storage/distribution (Use Class B8) to day care facility (Use Class D1)

    COOKS GARAGE FORGE LANE NORTHWOOD HA6 1BA

    Received 14 Oct 2020
  21. Approval7413/APP/2021/239

    Single storey front infill extension and single storey rear extension

    52 RECTORY WAY ICKENHAM

    Received 21 Jan 2021
  22. Refusal6923/APP/2023/2905

    Demolition of existing garage. Erection of a single storey extension to side. Change of use from Class C3 (Dwellinghouse) to Sui Generis (House in Multiple Occupation).

    4 ROFANT ROAD NORTHWOOD

    Received 5 Oct 2023
  23. Approval80012/APP/2026/879

    Erection of a single storey outbuilding to the rear garden for use as an office. (Retrospective)

    43 PINEWOOD AVENUE HILLINGDON UB8 3LW

    Received 7 Apr 2026
  24. Approval77939/APP/2023/2448

    Demolition of four existing garages and erection of two terraced dwellings (1x 2 bed and 1 x 3 bed) over two storeys with associated car parking spaces and private gardens.

    GARAGES TO REAR OF 15 ASH GROVE HAYES

    Received 15 Aug 2023

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

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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