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.
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 dates27,226Searchable applications
441Recorded as pending
79%Approval rate · 25,377 approved or refused records
5,350Refused applications
20,027 approved · 5,350 refused · 1,025 withdrawn. Received dates in our records: 12 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 Counts reflect the last collected status; some records may be out of date.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 2026Planning 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
- Refusal47172/TRE/2019/207
To fell one Oak within Area 1 (T1 on application), on TPO 396
29 NICHOLAS WAY NORTHWOOD
Received 23 Sept 2019 - Approval77858/APP/2023/402
Erection of 3m single storey extension to rear (Application for a Certificate of Lawful Development for a Proposed Development)
119 WHITETHORN AVENUE YIEWSLEY UB7 8LB
Received 13 Feb 2023 - Approval29178/APP/2021/2860
Extension and alteration of existing single storey side and rear extension following demolition of existing conservatory
34 BARNHILL ROAD HAYES
Received 22 Jul 2021 - Approval38556/APP/2024/1870
Erection of a single storey rear infill extension and conversion of integral garage to habitable accommodation including amendments to roof and fenestration.
59 WHITBY ROAD RUISLIP
Received 10 Jul 2024 - Undecided6889/APP/2026/2203
ERECTION OF A SINGLE STOREY OUTBUILDING
335 STATION ROAD HAYES
Received 14 Sept 2026 - Approval76053/APP/2020/3929
Temporary change of use from staff car park to a drive-through Covid test facility, comprising on-site modular structures and associated lane barriers and signage (Retrospective Application)
N4 CAR PARK NORTHERN PERIMETER ROAD HEATHROW AIRPORT TW6 2QE
Received 27 Nov 2020 - Approval76550/APP/2025/789
Details pursuant to the discharge of Condition 35 (Evidence of Carbon Reduction for Phase 1) of planning permission 76550/APP/2023/2931 dated 26-03-24 for 'Section 73 application to vary Condition 3 of application reference 76550/APP/2021/4499 dated 28-09-22 (Hybrid planning application seeking OUTLINE permission (with all matters reserved) for residential floorspace (Class C3) including demolition of all existing buildings and structures; erection of new buildings; provision of a community centre (up to 140sq.m of Use Class F2(b) floorspace); new pedestrian and vehicular access; associated amenity space, open space, landscaping; car and cycle parking spaces; plant, refuse storage, servicing area and other works incidental to the proposed development; and FULL planning permission for Blocks A and B comprising 80 residential units (Class C3); new pedestrian and vehicular access; associated amenity space and landscaping; car and cycle parking; refuse storage, servicing area, and other associated infrastructure to include temporary highways and landscaping works) to increase the parapet height by 50cm in the Detailed First Phase'.
LAND AT AUSTIN ROAD HAYES
Received 20 Mar 2025 - Approval78287/APP/2023/2811
Retrospective planning application for the siting of the existing chiller unit to the front.
UNIT 3 CHARTRIDGE DEVELOPMENT ESKDALE ROAD UXBRIDGE UB8 2RT
Received 25 Sept 2023 - Approval15675/APP/2022/1795
Erection of a first floor rear extension
47 GRESHAM ROAD HILLINGDON
Received 1 Jun 2022 - Refusal61423/APP/2022/198
Erection of single storey rear and side extensions.
31 GREENACRES AVENUE ICKENHAM MIDDLESEX
Received 21 Jan 2022 - Approval16101/APP/2020/916
Conversion of roofspace to habitable use to include 2 front and 2 rear rooflights and conversion of roof from hip to gable end (Application for a Certificate of Lawful Development for a Proposed Development)
10 KENT GARDENS RUISLIP
Received 17 Mar 2020 - Approval29237/APP/2024/2726
Erection of a single storey extension to the rear following the demolition of existing conservatory
61 SHENLEY AVENUE RUISLIP
Received 12 Oct 2024 - Approval78628/APP/2024/598
Erection of a single storey extension to the rear. (Application for a Certificate of Lawful Development for a Proposed Development)
34 NORFOLK ROAD UXBRIDGE UB8 1BL
Received 6 Mar 2024 - Approval77345/APP/2022/2985
Erection of a single storey rear extension
46 CAMDEN AVENUE HAYES UB4 0PW
Received 28 Sept 2022 - Refusal67197/APP/2021/2030
Single storey front/side extension
47 ACACIA AVENUE RUISLIP
Received 20 May 2021 - Approval44160/APP/2021/508
Details pursuant to discharge conditions Nos. 5 (Levels) and Nos. 11(Step free access) of planning permission Ref: 44160/APP/2019/3737 dated 25/03/2020 (Erection of a two and a half storey building to contain 4 x 3-bed and 5 x 2-bed self contained flats with associated parking, landscaping and amenity space involving the demolition of the existing dwelling house)
253 PARK ROAD UXBRIDGE
Received 9 Feb 2021 - Refusal13556/TRE/2024/84
To fell to ground level One Douglas Fir at T14 within TPO 5
6 PEPYS CLOSE ICKENHAM
Received 27 Apr 2024 - Undecided79352/APP/2026/1496
Minor expansion to the immigration removal centre car park to include 93 additional car parking spaces with associated permeable paving and alterations to the existing layout to suit operational needs. (AMENDED DESCRIPTION)
Colnbrook Immigration Removal centre COLNBROOK BY-PASS LONGFORD UB7 0FX
Received 17 Jun 2026 - Approval2553/APP/2022/2472
Conversion of roof space to habitable use to include a rear dormer with 2 front roof lights and installation of solar panels on roof of proposed dormer (Application for a Certificate of Lawful Development for a Proposed Development)
84 WEST END ROAD RUISLIP
Received 5 Aug 2022 - Refusal (Appealed)63054/APP/2020/212
Single storey front/side extension
15 HILLSIDE CRESCENT NORTHWOOD
Received 22 Jan 2020 - Approval60865/APP/2020/2644
Single storey rear extension
59 LANGDALE DRIVE HAYES MIDDLESEX UB4 8SS
Received 23 Aug 2020 - Prior Approval N/Req78992/APP/2024/2249
Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 4.00 metres, for which the maximum height would be 3.40 metres, and for which the height of the eaves would be 3.00 metres.
112 BURY STREET RUISLIP
Received 19 Aug 2024 - Approval77878/APP/2023/1886
Erection of a two storey extension to rear and single storey extension to side (Application for a Certificate of Lawful Development for a Proposed Development)
77 CHAPEL LANE HILLINGDON UB8 3DR
Received 28 Jun 2023 - Approval4058/APP/2021/3691
Section 73 application to vary Condition 2 (Approved Plans) of application reference 4058/APP/2020/1003 (Construction of a new 90-bed three-storey ward building (Ward Building South); an additional two storeys to be constructed on the site of the ground-floor 28-bed Decant Ward Building (Ward Building North) and the provision of 117 replacement car parking spaces, involving the demolition of the existing Paediatric building and relocation of the existing waste compound and its associated parking) to amend the elevations of Ward Building South.
HILLINGDON HOSPITAL PIELD HEATH ROAD HILLINGDON UB8 3NN
Received 30 Sept 2021
Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.
View all applicationsResearching 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.
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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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