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 dates27,118Searchable applications
441Recorded as pending
79%Approval rate · 25,276 approved or refused records
5,325Refused applications
19,951 approved · 5,325 refused · 1,022 withdrawn. Received dates in our records: 21 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 Counts reflect the last collected status; some records may be out of date.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
- Approval47363/APP/2024/1991
Details pursuant to the discharge of Conditions 5 (Bicycle Storage) of planning permission ref. 47363/APP/2023/1245, dated 22-06-2023 (Change of use from a Class C4 (HMO) to a Sui Generis 6-bed, 7 person HMO with the conversion of roof space to habitable use to include a rear dormer and one front roof light; including associated bin and bike storage).
18 REDMEAD ROAD HAYES
Received 23 Jul 2024 - Prior Approval N/Req76108/APP/2020/4270
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 3.45 metres and for which the height of the eaves would be 3 metres
71 ETON ROAD HAYES UB3 5HT
Received 22 Dec 2020 - Approval1331/APP/2021/3105
The construction and thereafter the use of Unit 1 and its associated external areas (As permitted by planning permission ref.1331/APP/2019/1666) as a filming studio (with ancillary support uses) principally for film production for theatrical exhibition or digital streaming services and for any other purpose within Class B1(c) (now Class E(g)(iii)) or B2 of the schedule to the Town and Country Planning (Use Classes) Order 1987 (as amended).
Unit 1, Former Nestle Factory NESTLES AVENUE HAYES UB3 4QR
Received 12 Aug 2021 - Approval5248/APP/2019/2832
First floor side/rear extension
26 OXFORD AVENUE HARLINGTON
Received 26 Aug 2019 - Undecided48338/APP/2026/1382
Construction of two additional storeys to existing two-storey office building, with erection of a three-storey front extension, associated external alterations to the existing building (including replacement of the existing metal cladding facade with new brickworks and glazed facade, installation of a front entrance canopy), and reconfiguration of the existing car park. (AMENDED DESCRIPTION)
BROOK HOUSE 54A COWLEY MILL ROAD UXBRIDGE UB8 2FX
Received 3 Jun 2026 - Refusal20195/APP/2025/524
Erection of a part single storey part two storey side extension, replacement of existing rear conservatory roof/doors and new porch.
8 WYTELEAF CLOSE RUISLIP
Received 26 Feb 2025 - Approval4011/APP/2022/870
Erection of an outbuilding to the rear garden, demolition of existing outbuilding.
66 THE DRIVE ICKENHAM
Received 15 Mar 2022 - Approval42966/APP/2019/3816
Change of use from retail (Use Class Class A1) to a beauty treatment clinic (sui generis)
UNIT 202 UPPER MALL, STATION WALK, INTU UXBRIDGE HIGH STREET UXBRIDGE UB8 1LA
Received 26 Nov 2019 - Approval78049/APP/2023/1491
Erection of a single storey rear extension
3 Fowler Way Uxbridge UB10 0FP
Received 22 May 2023 - Refusal (Appealed)14241/APP/2019/2926
Two storey side extension and single storey rear extension involving demolition of existing garage
27 FLAMBOROUGH ROAD RUISLIP
Received 2 Sept 2019 - Approval12829/APP/2020/4062
Part two storey / part single storey rear extension.
25 SEATON GARDENS RUISLIP
Received 7 Dec 2020 - Approval8158/APP/2025/2143
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 3.00 metres, and for which the height of the eaves would be 3.00 metres.
41 CRANLEY DRIVE RUISLIP
Received 11 Aug 2025 - Refusal62308/TRE/2020/317
To carry out tree surgery, including a crown reduction by 20 -30% to Poplar and Beech, G1 on TPO 136 on the application To fell one Oak tree, G1 on TPO 136.
3 WOODRIDGE WAY NORTHWOOD
Received 28 Oct 2020 - Approval58493/APP/2022/62
Single storey side and rear extension (following demolition of rear garage and rear extension).
7 HOYLAKE CRESCENT ICKENHAM MIDDLESEX UB10 8JD
Received 11 Jan 2022 - Approval75806/APP/2020/2569
Conversion of roof space to habitable use to include a rear dormer with Juliet balcony and 4 front rooflights (Application for a Certificate of Lawful Development for a Proposed Development)
281 LONG DRIVE RUISLIP HA4 0HT
Received 15 Aug 2020 - Approval76727/APP/2021/3363
Conversion of the existing garage to a gym and home office ancillary to the main dwelling house including the insertion of a rooflight and use of the front hardstanding (in front of garage) for parking.
17 CHURCHILL ROAD UXBRIDGE UB10 0FN
Received 5 Sept 2021 - Approval16136/APP/2026/778
Erection of a part single storey, part two storey rear/side extension.
13 THE THICKET WEST DRAYTON
Received 25 Mar 2026 - Refusal (Appealed)62851/APP/2022/3823
Erection of a double storey side extension, single storey front extension, alterations to existing rear extension.
10 THE MALLOWS ICKENHAM
Received 16 Dec 2022 - Approval78894/APP/2024/2978
Erection of a single storey extension to the side and rear following the demolition of the existing garage. Conversion of roof space to habitable use to include a side dormer, 4 roof lights and conversion of roof from hip to gable at the rear with a new rear gable end window. External alteration to existing dwelling materials with a white render finish proposed.
153 BURY STREET RUISLIP HA4 7TQ
Received 11 Nov 2024 - Approval13796/APP/2019/3890
Part two storey, part single storey rear extension involving demolition of existing conservatory, porch to front and conversion of roof space to habitable use to include 5 rooflights
3 LINKSWAY NORTHWOOD
Received 3 Dec 2019 - Approval6676/APP/2023/1617
Erection of single storey extension to rear following demolition of conservatory. Erection of outbuilding to rear garden (Application for a Certificate of Lawful Development for a Proposed Development).
5 ST MARGARETS AVENUE HILLINGDON
Received 2 Jun 2023 - Prior Approval N/Req78267/APP/2024/2822
Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 3.40 metres, for which the maximum height would be 2.80 metres, and for which the height of the eaves would be 2.50 metres.
273 LONG DRIVE RUISLIP HA4 0HT
Received 24 Oct 2024 - Withdrawn (P)16619/APP/2022/422
Hip to gable extension including roof level side window and rear dormer roof extension (including conversion of roofspace into habitable space) (Application for a Certificate of Lawful Development for an Existing Development).
5 HOYLAKE CRESCENT ICKENHAM
Received 11 Feb 2022 - Withdrawn (P)67095/APP/2023/1167
Conversion of garage to habitable room with new front facing window at ground floor level. Amendments to existing conservatory and amendments to fenestration.
23 AIRDRIE CLOSE HAYES
Received 20 Apr 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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