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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
27,066Searchable applications
441Recorded as pending
79%Approval rate · 25,227 approved or refused records
5,311Refused applications

19,916 approved · 5,311 refused · 1,020 withdrawn. Received dates in our records: 26 Aug 2019 to 5 Oct 2026. Most recent record check: 15 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 Counts reflect the last collected status; some records may be out of date.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. Refusal35060/APP/2025/203

    Erection of a 2-bedroom dwelling and associated car parking and amenity space to the side of the existing dwelling involving a part single storey, part double storey extension to the front, side and rear of the dwelling and conversion of roof space to habitable use to include conversion from hip to gable end, 3 front and 3 rear facing roof lights.

    75 SHAKESPEARE AVENUE HAYES

    Received 28 Jan 2025
  2. Approval73142/APP/2024/1735

    Erection of a first floor rear extension

    42 RAYNTON DRIVE HAYES MIDDLESEX UB4 8BE

    Received 1 Jul 2024
  3. Approval78349/APP/2023/2997

    Erection of a single storey rear and side extension, following demolition of existing conservatory

    22 THE UPLANDS RUISLIP HA4 8QN

    Received 16 Oct 2023
  4. Approval77211/APP/2023/2800

    Retrospective application for the erection of a single storey rear extension following demolition of existing outbuilding

    24 OAKWOOD ROAD PINNER HA5 3UE

    Received 22 Sept 2023
  5. Approval41528/APP/2022/2046

    Conversion of roof space to habitable use to include a rear dormer with Juliet balcony, 2 front roof lights and conversion of roof from hip to gable end (Application for a Certificate of Lawful Development for a Proposed Development)

    19 SUSSEX ROAD ICKENHAM

    Received 28 Jun 2022
  6. Approval70724/APP/2022/3152

    Erection of a part single storey, part double storey side extension and first floor rear extension, including demolition of existing side garage

    9 MANOR WAY RUISLIP HA4 9HE

    Received 14 Oct 2022
  7. Approval7051/APP/2024/656

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

    16 WARNER CLOSE HARLINGTON

    Received 12 Mar 2024
  8. Approval13662/APP/2022/1159

    Retrospective application for an outbuilding.

    4 CHILTERN ROAD EASTCOTE

    Received 7 Apr 2022
  9. Withdrawn (P)35695/APP/2021/800

    First floor side and first floor rear extension

    10 TOWNFIELD ROAD HAYES

    Received 1 Mar 2021
  10. Approval70337/APP/2019/3097

    Part two storey, part single storey side/rear extension

    52 BRIAR WAY WEST DRAYTON MIDDLESEX UB7 9AS

    Received 18 Sept 2019
  11. Withdrawn (P)17802/APP/2026/248

    Change of Use from a House in Multiple Occupation (C4 Use) to a Childrens Care Home (C2 Use).

    61 WOODCROFT CRESCENT HILLINGDON

    Received 28 Jan 2026
  12. Approval75552/APP/2021/431

    Erection of a detached two storey 3 bedroom dwellinghouse with associated amenity space and car parking

    LAND ADJACENT TO 25A NORFOLK ROAD UXBRIDGE UB8 1BL

    Received 2 Feb 2021
  13. Approval12458/APP/2023/3079

    Erection of a two storey rear extension, including roof alterations and insertion of rooflights, front porch canopy, alterations to front elevation openings, installation of electric car charging point and photovoltaic panels to roof and associated works.

    77 ELM AVENUE EASTCOTE

    Received 24 Oct 2023
  14. Approval29159/APP/2021/696

    Single storey rear extension and single storey outbuilding to rear for use as a gym

    92 TUDOR ROAD HAYES

    Received 22 Feb 2021
  15. Refusal78323/APP/2025/1386

    Non-material amendment to remove and replace Condition 8 (Habitat Management Plan) of planning permission ref. 78323/APP/2024/968, dated 11-11-2024 (Erection of 2no. semi-detached dwellings including habitable accommodation within the roof space and one basement with associated parking and amenity space, following the demolition of existing bungalow.)

    140 LINDEN AVENUE RUISLIP HA4 8UB

    Received 19 May 2025
  16. Approval9787/APP/2020/3567

    Part two storey, part single storey rear extension, installation of habitable basement, conversion of garage to habitable use and extension to existing habitable roof space to include a rear dormer and 5 rooflights

    42 DENE ROAD NORTHWOOD

    Received 3 Nov 2020
  17. Approval1331/APP/2026/1019

    Details pursuant to the partial discharge of Condition 16 Part i (Contamination) (Block H only) of planning permission ref. 1331/APP/2022/2553 dated 05-07-2023 (Partial demolition and redevelopment of the former canteen building to provide a new healthcare facility (Class E(e)), nursery (Class E(f)) and reconfigured residential building (Block H) (Class C3) with a commercial unit at ground floor (Class E), including associated landscaping, access, car parking and other engineering works).

    CANTEEN BUILDING FORMER NESTLE FACTORY NESTLES AVENUE HAYES

    Received 23 Apr 2026
  18. Refusal66812/APP/2025/943

    Erection of single storey extensions to the front and side/rear and conversion of garage and shed to habitable rooms. Amendments to fenestration including demolition of existing chimney and change of front facing materials from brick to render.

    11 HILLSIDE CRESCENT NORTHWOOD

    Received 31 Mar 2025
  19. Approval75351/APP/2021/617

    Conversion of roofspace to habitable use to include 2 x side dormers, 1 x rooflight and conversion of roof from hip to gable end (Application for a Certificate of Lawful Development for a Proposed Development).

    30 HILLSIDE GARDENS NORTHWOOD HA6 1RL

    Received 16 Feb 2021
  20. Approval31697/APP/2022/2361

    Variation of Conditions 2 (approved plans) and 11 (written scheme of investigation) of planning permission ref. 31697/APP/2021/4340 dated 04/04/2022 'Demolition of existing garage and side extension, erection of a single storey front and rear extension; part two, part single storey rear extension and construction of attached new house to the side of the existing house'. To enlarge first floor rear extension to 4m and remove condition 11.

    50 HUDSON ROAD HARLINGTON

    Received 22 Jul 2022
  21. Refusal (Appealed)15841/APP/2022/912

    Upgrading of the existing gas supply via the installation of external gas pipe apparatus.

    COWLEY HOUSE 181 COWLEY ROAD UXBRIDGE

    Received 18 Mar 2022
  22. Approval22084/APP/2023/1225

    Erection of outbuilding to rear garden

    28 DAYMER GARDENS EASTCOTE PINNER

    Received 26 Apr 2023
  23. Approval2971/APP/2019/4084

    Conversion of roof space to habitable use to include a rear dormer with Juliette balconies, 5 front roof lights and conversion of roof from hip to gable end (Application for a Certificate of Lawful Development for a Proposed Development)

    103 BIRCHWAY HAYES

    Received 20 Dec 2019
  24. Prior Approval N/Req76399/APP/2021/2403

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

    84 STAFFORD ROAD RUISLIP HA4 6PF

    Received 16 Jun 2021

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 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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