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 dates25,843Searchable applications
441Recorded as pending
79%Approval rate · 24,056 approved or refused records
4,972Refused applications
19,084 approved · 4,972 refused · 988 withdrawn. Received dates in our records: 11 Dec 2019 to 5 Oct 2026. Most recent record check: 14 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 Counts reflect the last collected status; some records may be out of date.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
- Approval13583/APP/2024/2318
Erection of new dwelling with associated parking and landscaping following demolition of existing dwelling.
212 SWAKELEYS ROAD ICKENHAM
Received 28 Aug 2024 - Prior Approval N/Req74086/APP/2023/2310
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 3.6 metres, and for which the height of the eaves would be 2.45 metres.
31 WEST MEAD RUISLIP HA4 0TW
Received 4 Aug 2023 - Refusal77154/TRE/2026/43
TPO 95 A1 1x Lawson Cyprus to fell to ground level and grind out stump located in rear garden.
7 ROGERS RUFF NORTHWOOD HA6 2FD
Received 24 Feb 2026 - Prior Approval N/Req78465/APP/2023/3669
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 3.02 metres, and for which the height of the eaves would be 3.00 metres
112 BURNHAM AVENUE ICKENHAM UB10 8RU
Received 19 Dec 2023 - Approval918/APP/2026/173
Erection of an outbuilding to the rear garden. (RETROSPECTIVE APPLICATION)
158 JOEL STREET EASTCOTE PINNER
Received 21 Jan 2026 - Approval76631/APP/2021/2932
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)
363 HARLINGTON ROAD HILLINGDON UB8 3JE
Received 28 Jul 2021 - Approval39914/APP/2022/187
Conversion of roofspace to habitable use including increase of roof height and conversion from a hipped roof to gable end. Erection of a single storey rear extension following the demolition of an existing conservatory.
99 HALFORD ROAD ICKENHAM
Received 21 Jan 2022 - Withdrawn (P)57249/APP/2023/2369
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 3.10 metres, and for which the height of the eaves would be 3.10 metres (Retrospective application).
72 MERTON AVENUE HILLINGDON
Received 8 Aug 2023 - Refusal50988/APP/2026/1443
Erection of single storey rear extension, erecting from existing extension.
27 POTTER STREET NORTHWOOD
Received 10 Jun 2026 - Refusal (Appealed)65765/APP/2025/2605
Proposed erection of a hip-to-gable roof extension including 2x front dormers, 1x rear dormer, to convert existing studio flat into a 2 bedroom (3 person) flat including associated parking, landscaping, bin and cycle store works.
54A COPPERFIELD AVENUE HILLINGDON MIDDLESEX UB8 3NX
Received 9 Oct 2025 - Approval79182/APP/2025/282
Replacement of all timber windows with double-glazed uPVC windows to Flats 1-15.
FLATS 1 TO 15 WALTERS CLOSE HAYES UB3 1SL
Received 4 Feb 2025 - Undecided74799/APP/2026/1334
Erection of 2no. dwellinghouses with associated parking, landscaping, bin and cycle storage, following the demolition of the existing bungalow.
293 WEST END ROAD RUISLIP
Received 28 May 2026 - Approval75111/APP/2023/3286
Details pursuant to the partial discharge of Condition 28 part (iii) (Contaminated Land) and full discharge of Conditions 30 (EA - Verification Report), and 34 (EA - Decommissioning of Boreholes) as attached to planning permission ref. 75111/APP/2022/1007 dated 21.09.2021 (Full planning permission for site clearance and preparation, including the demolition of remaining buildings, and the redevelopment of the site to provide three energy centres, two visitor reception centres, a new footpath and cycleway link to the canal towpath, works to the highway, car parking, cycle parking, associated infrastructure, enclosures and necessary physical security systems, hard and soft landscaping, and ancillary uses, as well as associated external works).
Land at Bulls Bridge Industrial Estate NORTH HYDE GARDENS HAYES UB3 4QQ
Received 13 Nov 2023 - Approval59872/APP/2020/507
Details pursuant to the discharge of Condition 3 (Cladding) of application reference 59872/APP/2018/1107 (Reserved Matters Application regarding the appearance and landscaping for Phase 3B 'The Assembly Buildings' of The Old Vinyl Factory site, as required by Conditions 2 and 3 of planning permission ref. 59872/APP/2013/3775 dated 31/07/2014).
THE ASSEMBLY BUILDINGS, THE OLD VINYL FACTORY BLYTH ROAD HAYES UB3 1HA
Received 14 Feb 2020 - Approval78454/APP/2023/3629
Conversion of roof space into habitable use to include a rear dormer, 2 x front roof lights and a new gable end window, and conversion of garage space into habitable use to include fenestration.
105 TELFORD WAY HAYES UB4 9TH
Received 15 Dec 2023 - Approval11561/ADV/2021/66
Installation of 1 no. sign fixed panel
16 MYRTLE AVENUE RUISLIP
Received 17 Dec 2021 - Approval55108/APP/2024/1069
Replacement of existing outbuilding roof (Application for a Certificate of Lawful Development for a Proposed Development)(Description Amended)
73 WHITTINGTON AVENUE HAYES
Received 24 Apr 2024 - Approval66703/APP/2023/496
Erection of outbuilding to rear garden
274 COLDHARBOUR LANE HAYES MIDDLESEX UB3 3HJ
Received 20 Feb 2023 - Approval5774/APP/2022/3720
Erection of a single storey side and rear wraparound extension
115 WOODLANDS AVENUE RUISLIP
Received 8 Dec 2022 - Refusal21493/APP/2021/4327
Single storey front/side extension and single storey rear extension including rear steps.
10 KINGSWEAR ROAD RUISLIP
Received 24 Nov 2021 - Approval78560/APP/2024/836
Erection of single storey extensions to rear
33, 35 & 37 STORMOUNT DRIVE HAYES
Received 1 Apr 2024 - Approval38029/APP/2025/3210
Erection of a detached garage building to side of main dwelling (Related to Listed Building Consent application ref. 38029/APP/2025/3211)
THE WHITE HOUSE CHURCH HILL HAREFIELD UB9 6DX
Received 18 Dec 2025 - Approval35111/APP/2021/3170
Installation of vehicle crossover and partial reinstatement of existing dropped kerb.
292 JOEL STREET EASTCOTE PINNER
Received 17 Aug 2021 - Approval24921/APP/2020/3373
Single storey rear extension involving demolition of existing single storey rear extension and porch to front
56 BEDFORD ROAD RUISLIP
Received 19 Oct 2020
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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