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
22,048Searchable applications
449Recorded as pending
81%Approval rate · 20,433 approved or refused records
3,911Refused applications

16,522 approved · 3,911 refused · 874 withdrawn. Received dates in our records: 2 Nov 2020 to 5 Oct 2026. Most recent record check: 12 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 Counts reflect the last collected status; some records may be out of date.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. Approval24569/APP/2024/3064

    Erection of a part single storey, part two storey side and rear extension, a front porch, installation of 1 x side facing roof light.

    LINDEN COTTAGE HIGH ROAD EASTCOTE

    Received 19 Nov 2024
  2. Approval55030/APP/2022/2089

    Erection of a part single storey rear infill extension, conversion of garage to habitable use and erection of a single storey front extension

    45 FERNDOWN NORTHWOOD

    Received 30 Jun 2022
  3. Refusal20026/APP/2024/1737

    Erection of a single storey extension to rear. Conversion of the single dwellinghouse to two flats. Amendments to fenestration.

    10 RICKMANSWORTH ROAD NORTHWOOD

    Received 1 Jul 2024
  4. Approval48976/TRE/2021/173

    To carry out tree surgery including to reduce back to boundary line the branches overhanging 1 Salcombe Way and remove epicormic to crown break to One Oak within Woodland 2 on TPO 24

    1 SALCOMBE WAY HAYES

    Received 29 Jun 2021
  5. Undecided17967/APP/2026/2208

    Conversion of roof space to habitable use to include a rear dormer, 3 front roof lights and conversion of roof from hip to gable end (Application for a Certificate of Lawful Development for a Proposed Development).

    13 WIDMORE ROAD UXBRIGDE

    Received 14 Sept 2026
  6. Approval16674/APP/2022/1734

    Conversion of roof space to habitable use to include a rear dormer with Juliet balcony, 3 front roof lights and conversion of roof from hip to gable end (Application for a Certificate of Lawful Development for a Proposed Development)

    130 SHENLEY AVENUE RUISLIP

    Received 27 May 2022
  7. Approval1331/APP/2021/3109

    Details pursuant to the partial discharge of Condition 37 (Carbon Reduction Measures - Block F3/F4 only) as attached to planning permission ref. 1331/APP/2019/2314 dated 28-06-21 (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 F3/F4 FORMER NESTLE FACTORY NESTLES AVENUE HAYES UB3 4QR

    Received 11 Aug 2021
  8. Approval76325/APP/2021/1361

    Conversion of roof space to habitable use to include a rear dormer, 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)

    7 DERWENT AVENUE ICKENHAM UB10 8HJ

    Received 6 Apr 2021
  9. Approval55184/APP/2026/1203

    Erection of a first-floor rear extension

    9 MONMOUTH ROAD HAYES

    Received 14 May 2026
  10. Approval888/APP/2021/221

    Part first floor, part single storey rear extension

    89 BERKELEY ROAD HILLINGDON

    Received 20 Jan 2021
  11. Approval63065/APP/2022/3048

    Erection of first floor side and rear extensions

    24 FLORISTON AVENUE HILLINGDON

    Received 5 Oct 2022
  12. Refusal76347/APP/2021/2921

    Two storey side and rear extension to create 1 x 1 bed, dwelling with associated parking, amenity space and boundary treatments following demolition of existing single storey extension

    89 WARWICK CRESCENT HAYES MIDDLESEX UB4 8RQ

    Received 27 Jul 2021
  13. Approval74938/APP/2021/4570

    Removal and replacement of the existing 12 metre monopole with a replacement 18 metre monopole and wrap around base cabinet, the removal and replacement of 1 no. Pogona cabinet with 1 no. Bowler cabinet and 1 no. 6130 cabinet, the installation of 1 no. GPS unit affixed to the proposed monopole, the relocation of 1 no. dish onto the monopole and ancillary development thereto.

    TELECOMMUNICATIONS SITE NESTLES STATION ROAD HAYES

    Received 16 Dec 2021
  14. Approval34151/APP/2022/59

    Retention of on-site office for use by the management company of the building.

    51 BELMONT ROAD UXBRIDGE

    Received 11 Jan 2022
  15. Undecided44625/APP/2026/2244

    Proposed 6m Single-Storey rear extension following demolition of existing garage and erection of outbuilding to rear garden.

    11 ANGLE CLOSE UXBRIDGE

    Received 18 Sept 2026
  16. Approval73388/APP/2026/207

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

    78 VICTORIA AVENUE HILLINGDON Middlesex UB10 9AJ

    Received 26 Jan 2026
  17. Refusal30269/APP/2022/2159

    Erection of a double storey side extension, front extension and loft conversion with raised roof height and rear dormer

    2 POOLE CLOSE RUISLIP

    Received 6 Jul 2022
  18. Approval56509/APP/2022/1517

    Erection of a part single, part two storey rear and side extension

    73 THORNHILL ROAD ICKENHAM

    Received 9 May 2022
  19. Approval47579/APP/2024/1823

    Erection of a first floor rear extension and conversion of garage to habitable accommodation including raising of the flat roof.

    10 NAPTON CLOSE HAYES

    Received 8 Jul 2024
  20. Approval75249/APP/2024/1935

    Alterations to shopfront to include new windows, entrance door, installation of 1no. internally illuminated fascia sign and 1no. internally illuminated hanging sign. Installation of new ventilation and extraction system to the rear.

    3 BYRON PARADE UXBRIDGE ROAD HILLINGDON UB10 OLZ

    Received 16 Jul 2024
  21. Approval11429/APP/2023/1153

    Changes to extension roof and addition of a lantern roof light.

    133 LONG LANE HILLINGDON

    Received 19 Apr 2023
  22. Approval80055/APP/2026/1118

    Conversion of garage to habitable use and single-storey side/rear extension to provide an assisted bathroom facility, following the installation of ramp (amended description)

    6 IRWIN CLOSE ICKENHAM UB10 8HA

    Received 6 May 2026
  23. Refusal42998/APP/2021/3923

    Erection of a ground floor side extension infill.

    30 TOWNFIELD ROAD HAYES

    Received 21 Oct 2021
  24. Approval20377/APP/2026/448

    This application seeks permission for the variation of Conditions 2 (Approved Plans) and 3 (Materials) of planning permission ref. 20377/APP/2025/2963, dated 03-02-2026 (Erection of a part single part two storey side and rear wraparound extension, a front porch, a single storey front extension, alteration to front elevation of existing first floor extension, conversion of the garage to habitable space, and amendments to fenestrations, following demolition of the existing porch and other extensions. Conversion of roof space to habitable use with 2x rear dormer windows, rooflights to front and side, and the extension of the roof to the side.) to amend then number of roof lights, the roof titles, and the roof form and materials of the porch and front extension.

    68 SWAKELEYS DRIVE ICKENHAM

    Received 23 Feb 2026

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.

Check collection coverage