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 dates21,917Searchable applications
449Recorded as pending
81%Approval rate · 20,308 approved or refused records
3,873Refused applications
16,435 approved · 3,873 refused · 869 withdrawn. Received dates in our records: 12 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 Counts reflect the last collected status; some records may be out of date.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 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
- Refusal79616/APP/2025/2081
Proposed dropped kerb.
97 VIOLET AVENUE HILLINGDON UB8 3PT
Received 1 Aug 2025 - Approval18453/APP/2025/264
Erection of a single storey rear extension following the demolition of the existing conservatory.
36 WOODSTOCK DRIVE ICKENHAM
Received 4 Feb 2025 - Refusal53976/APP/2025/1143
Part single storey, part double storey extension to the rear involving the creation of a crown roof, and amendments to fenestration including rendering, changes to doors, windows and garage door.
14 HIGHFIELD DRIVE ICKENHAM
Received 23 Apr 2025 - Prior Approval N/Req75996/APP/2026/917
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 3.20 metres, and for which the height of the eaves would be 2.80 metres.
122 WEST END LANE HARLINGTON UB3 5LY
Received 13 Apr 2026 - Undecided75984/APP/2026/1831
External and internal maintenance and repair works, including the erection of a replacement garden shed, following the demolition of 2 existing garden sheds (listed Building Consent)
FRIENDS MEETING HOUSE YORK ROAD UXBRIDGE UB8 1QW
Received 23 Jul 2026 - Prior Approval N/Req76601/APP/2021/2793
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 metres, and for which the height of the eaves would be 2.95 metres
2 GLEDWOOD GARDENS HAYES UB4 0AS
Received 15 Jul 2021 - Approval77211/APP/2024/2373
Erection of a single storey side extension and front porch.
24 OAKWOOD ROAD PINNER HA5 3UE
Received 2 Sept 2024 - Refusal (Appealed)2900/APP/2021/1574
Retention of single storey rear extension and rear dormer window
17 OAKLEIGH ROAD HILLINGDON
Received 21 Apr 2021 - Approval55168/APP/2021/2438
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)
59 YORK ROAD NORTHWOOD MIDDLESEX
Received 17 Jun 2021 - Approval50534/APP/2026/2037
Erection of a part single part two storey rear extension.
82 HYDE WAY HAYES
Received 17 Aug 2026 - Approval77876/APP/2023/518
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 3.80 metres, and for which the height of the eaves would be 2.75 metres
79 COPTHALL ROAD WEST ICKENHAM UB10 8HS
Received 21 Feb 2023 - Approval32217/APP/2024/2588
Erection of outbuilding to rear garden, following demolition of existing garden shed (Application for a Certificate of Lawful Development for a Proposed Development)
34 HILLSIDE GARDENS NORTHWOOD
Received 27 Sept 2024 - Approval15934/APP/2022/3381
Replacement fascia signage to front of shop; New painted signage to side of shop; New awning; and New vinyl window graphics.
7 HIGH STREET RUISLIP
Received 7 Nov 2022 - Approval23542/APP/2024/864
Erection of an outbuilding consisting of one bedroom, kitchen, living room and bathroom
328 LANSBURY DRIVE HAYES
Received 3 Apr 2024 - Approval69790/APP/2022/2926
Details pursuant to the discharge of Conditions 6 (Site Boundary Treatment), 11 (Landscape Scheme), 19 (Sound Mitigation) and 21(b) and (c) (Contamination) of planning permission ref. 69790/APP/2022/684, dated 16-08-2022 (Variation of Conditions 2 (Approved Plans) and 4 (External timber windows) of planning permission ref. 69790/APP/2021/2451, dated 17/12/2021 (Erection of a two storey, detached dwelling house with habitable basement space with associated parking and landscaping) to include fenestration changes including the replacement of timber windows with aluminium windows, re-positioning and installation of new external stairs, re-positioning of proposed gazebo, erection of a wall adjacent to western boundary and re-positioning of external western basement wall.)
OLD ORCHARD LODGE PARK LANE HAREFIELD UB9 6HJ
Received 22 Sept 2022 - Approval1080/APP/2026/1038
Erection of a two storey front extension, a part single storey, part two storey rear extension, conversion of roof space to habitable use including raising of the ridge line, alterations to the pitch, 2no. rear dormers, and roof lights to the front and sides, following the demolition of the existing conservatory and front porch.
29 THORNHILL ROAD ICKENHAM
Received 27 Apr 2026 - Approval32959/APP/2021/3212
Erection of first floor side and rear extension
58 WENTWORTH CRESCENT HAYES
Received 20 Aug 2021 - Approval40752/APP/2021/10
Single storey side extension and single storey rear extension
90 EASTCOTE ROAD RUISLIP
Received 2 Jan 2021 - Approval4947/APP/2025/1433
Erection of a hipped roof over existing first floor flat roof.
115 EXMOUTH ROAD RUISLIP
Received 21 May 2025 - Prior Approval N/Req75169/APP/2026/138
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 is 3.00 metres, and the height of the eaves would be 2.65 metres.
20 HANOVER CIRCLE HAYES UB3 2TH
Received 16 Jan 2026 - Approval50761/APP/2024/1267
Details pursuant to Partially discharge of Condition 3 (written scheme of investigation) of planning permission ref. 50761/APP/2023/2681, dated 27-02-24 (Erection of a single storey extension to garage (Application for Listed Building Consent for associated Planning Permission ref: 50761/APP/2023/2677))
CHURCH GARDENS CHURCH HILL HAREFIELD
Received 13 May 2024 - Approval74604/APP/2023/3083
Erection of 2 x two-storey, 2-bed semi-detached dwellings
Land at Sidmouth Drive SIDMOUTH DRIVE RUISLIP HA4 6LE
Received 23 Oct 2023 - Refusal34912/TRE/2023/215
To fell One Cedar within Group 9 on TPO 45.
47 COURT DRIVE HILLINGDON
Received 14 Sept 2023 - Approval3070/APP/2023/871
Erection of a single storey extension to the rear
16 MILDRED AVENUE HAYES
Received 23 Mar 2023
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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