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
32,934Searchable applications
509Recorded as pending
78%Approval rate · 30,777 approved or refused records
6,886Refused applications

23,891 approved · 6,886 refused · 1,158 withdrawn. Received dates in our records: 11 Jun 2012 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 Counts reflect the last collected status; some records may be out of date.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. Approval69176/APP/2022/1335

    Erection of a rear dormer extension and single storey rear extension

    44 OTTERFIELD ROAD YIEWSLEY MIDDLESEX UB7 8PE

    Received 25 Apr 2022
  2. Refusal (Appealed)38634/APP/2018/2041

    Single storey front extension, first floor rear extension and conversion of roof space to habitable use to include a rear dormer and 6 front roof lights

    62 THE DRIVE ICKENHAM

    Received 1 Jun 2018
  3. Refusal53242/APP/2022/3077

    Erection of a single storey extension to the side

    35 WINDERMERE AVENUE RUISLIP

    Received 7 Oct 2022
  4. Approval8901/APP/2019/3490

    Single storey outbuilding to be used as gym/storage (Application for a Certificate of Lawful Development for a Proposed Development)

    1 CROFT CLOSE HILLINGDON

    Received 23 Oct 2019
  5. Approval76897/TRE/2021/324

    To carry out tree surgery including to repollard One Ash (T7608 on application) within Group 4 on TPO 511

    PETER LYELL COURT FLEMMING AVENUE RUISLIP HA4 9BL

    Received 29 Nov 2021
  6. Approval61202/APP/2020/2798

    Details pursuant to Condition 13 (Fire Strategy) of planning ref: 61202/APP/2019/3510 for the demolition of three existing buildings (Use Classes B1(a) and B1(c)) and erection of a four storey residential hostel building (Sui Generis) containing 28 units, comprising 13 x 1-bedroom, 8 x 2-bedroom and 7 x 3-bedroom dwellings with associated car parking, landscaping and children's play area.

    T C M HOUSE NEWPORT ROAD HAYES

    Received 3 Sept 2020
  7. Refusal61386/TRE/2021/263

    To carry out tree surgery including a crown reduction by 2-3.5m and reduce on branch by 5m as photographed to One Oak T3 on TPO 307

    1 DEBORAH CRESCENT RUISLIP

    Received 1 Oct 2021
  8. Refusal54243/TRE/2024/75

    To carry out tree surgery - to reduce height by 3m & lateral spread by 2.5m to One Ash (T1 on map), and cut back overhanging branches to One Ash (T2 on map) both in W1 within TPO 555.

    27 BURLINGTON CLOSE PINNER

    Received 9 Apr 2024
  9. Approval56270/APP/2019/494

    Conversion of garage to habitable use to include alterations to elevations (Application for a Certificate of Lawful Development for a Proposed Development)

    30 DUNEDIN WAY HAYES MIDDLESEX

    Received 10 Feb 2019
  10. Approval43343/APP/2020/136

    Conversion of roof space to habitable use to include conversion of rear of roof from hip to gable end, with new gable end window and 2 side dormers (Application for a Certificate of Lawful Development for a Proposed Development)

    17 WESTHOLME GARDENS RUISLIP

    Received 15 Jan 2020
  11. Prior Approval N/Req4456/APP/2021/2041

    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 3.39 metres, and for which the height of the eaves would be 2.83 metres

    61 HUDSON ROAD HARLINGTON

    Received 21 May 2021
  12. Approval21620/APP/2021/904

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

    71 GROSVENOR CRESCENT HILLINGDON

    Received 9 Mar 2021
  13. Approval34588/APP/2020/1498

    Part two storey, part first floor side extension and porch to front

    1 SOUTH ROAD WEST DRAYTON

    Received 12 May 2020
  14. Refusal (Appealed)44185/APP/2019/866

    Two storey rear extension

    LANZ FARM 33 HARMONDSWORTH LANE HARMONDSWORTH

    Received 12 Mar 2019
  15. Refusal29513/APP/2019/2806

    Two storey rear extension and internal alterations

    28 GREENACRES AVENUE ICKENHAM

    Received 22 Aug 2019
  16. Approval12748/APP/2022/3472

    Erection of a single storey side and rear extension following demolition of existing detached garage (amended)

    13 HAYES END CLOSE HAYES

    Received 14 Nov 2022
  17. Approval13950/APP/2023/1835

    Partially retrospective application for the retention of a front porch, roof extension with conversion of roofspace to habitable use including a rear dormer, and rooflights. Amendments to fenestration including installation of porthole window and reinstatement of existing materials (revised description and plans)

    12 SOUTH DRIVE RUISLIP HA4 8EX

    Received 22 Jun 2023
  18. Refusal (Appealed)72026/APP/2018/2672

    Change of use of 3-bed dwelling to 5-bed HMO (Use Class C4) (Part Retrospective)

    31 MORELLO AVENUE HILLINGDON UB8 3ES

    Received 19 Jul 2018
  19. No Further Action(P)1489/APP/2020/47

    Change of use of property from dwelling house (Use Class C3) into 6 bedroom House in Multiple Occupation (Use Class Sui Generis), window to front and associated internal alterations

    GRANGE HOUSE 9 GRANGE ROAD HAYES UB3 2RP

    Received 7 Jan 2020
  20. Approval23094/APP/2019/1625

    Single storey rear extension

    41 GOSHAWK GARDENS HAYES

    Received 15 May 2019
  21. Approval64599/APP/2022/1739

    Demolition of existing garage. Erection of single storey side and rear extensions.

    15 CHELWOOD CLOSE NORTHWOOD

    Received 27 May 2022
  22. Approval8649/APP/2026/1824

    Erection of outbuilding to rear garden (Application for a Certificate of Lawful Development for a Proposed Development)

    42 GROSVENOR CRESCENT UXBRIDGE

    Received 23 Jul 2026
  23. Refusal75322/APP/2020/1248

    Single storey rear extension, porch to front, single storey outbuilding to rear for use as a summerhouse and conversion of roof space to habitable use to include a rear dormer and conversion of roof from hip to gable end

    88 PAVILION WAY RUISLIP HA4 9JW

    Received 20 Apr 2020
  24. Refusal35896/APP/2024/454

    Variation of Condition 2 (Approved Drawings) and Condition 6 (Means of Enclosure) of planning permission ref. 35896/APP/2022/2262, dated 15-11-2022 (Conversion of integral garage to habitable accommodation, erection of single storey extensions to the front and rear with a raised patio) to amend patio, including steps and boundary treatment.

    82 HIGHLAND ROAD NORTHWOOD

    Received 22 Feb 2024

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