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 dates36,114Searchable applications
499Recorded as pending
77%Approval rate · 33,820 approved or refused records
7,789Refused applications
26,031 approved · 7,789 refused · 1,227 withdrawn. Received dates in our records: 1 Oct 2008 to 9 Oct 2026. Most recent record check: 20 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 Counts reflect the last collected status; some records may be out of date.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
- Approval78698/APP/2024/875
Erection of a single storey extension to the rear.
18 MARSHALL DRIVE HAYES UB4 0SW
Received 4 Apr 2024 - Refusal (Appealed)75228/APP/2020/1283
Single storey side extension, part two storey, part single storey rear extension and single storey outbuilding for use as a games/gym room and garden store
20 CLOVELLY AVENUE ICKENHAM MIDDLESEX UB10 8PS
Received 23 Apr 2020 - Approval905/APP/2021/1617
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)
201 HOYLAKE CRESCENT ICKENHAM
Received 23 Apr 2021 - Approval74283/APP/2018/3821
Installation of a 20 metre high monopole including 2 x 0.3 metre diameter dishes, 2 equipment cabinets and one inspection chamber located on the footpath (Application under Part 16 of schedule 2 to the Town and Country Planning (General Permitted Development) Order 2015 for determination as to whether prior approval is required for siting and appearance)
FOOTPATH REAR OF 125A MULBERRY CRESCENT STOCKLEY ROAD WEST DRAYTON UB7 9AH
Received 29 Oct 2018 - Refusal (Appealed)22333/APP/2022/1413
Erection of a first floor side/rear extension
31 BURWOOD AVENUE EASTCOTE
Received 29 Apr 2022 - Prior Approval N/Req22767/APP/2018/452
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 3.2 metres, and for which the height of the eaves would be 3 metres
74 CENTRAL AVENUE HAYES
Received 5 Feb 2018 - Refusal13746/APP/2025/2924
Retention of roof lights, in breach of Condition 2 (ref.13746/APP/2014/845 date 12/05/14, appeal ref. APP/R5510/D/14/2220009). Application for a Certificate of Lawful Development for an Existing Development)
61 WARREN ROAD ICKENHAM
Received 20 Nov 2025 - Approval32983/APP/2018/1137
Single storey rear extension involving demolition of existing conservatory
2 ANGLE CLOSE HILLINGDON
Received 26 Mar 2018 - Approval60992/APP/2019/2719
Erection of two storey, 1 -bed dwelling with associated parking and amenity space, and single storey rear extension to existing dwelling, involving demolition of existing outbuilding
22 CHESTNUT CLOSE HAYES
Received 14 Aug 2019 - Undecided32794/APP/2026/2115
Two storey rear extension, conversion of garage to habitable use, alterations to the roof, first floor rear balcony and alterations to fenestration
9 KEWFERRY DRIVE NORTHWOOD
Received 28 Aug 2026 - Approval77864/APP/2023/438
Erection of a single storey rear extension
61 BEDWELL GARDENS HAYES UB3 4ED
Received 16 Feb 2023 - Approval79233/APP/2025/7
Erection of a single storey rear extension, conversion of garage to habitable accommodation, and amendments to fenestration.
38 AYLSHAM DRIVE ICKENHAM UB10 8TL
Received 30 Dec 2024 - Non Determination (Appealed)24597/APP/2022/1763
Re-use of a redundant building for residential use with a small curtilage - Appeal against non-determination (non-validated application).
WATERCRESS BEDS SPRINGWELL LANE HAREFIELD WD3 8UX
Received 30 May 2022 - Approval43890/APP/2018/543
Application for a non-material amendment to planning permission Ref: 43890/APP/2017/1181 dated 12/06/2017 (Two storey front extension and conversion of roofspace to habitable use to include 2 side rooflights) to allow for amendments to fenestration on all elevations and roof design of single storey element
1 THE LARCHES HILLINGDON UB10 0DJ
Received 13 Feb 2018 - Refusal42128/APP/2021/2494
Single storey rear extension (Application for a Certificate of Lawful Development for a Proposed Development)
233 KINGSHILL AVENUE HAYES
Received 22 Jun 2021 - Approval71942/APP/2020/907
Conversion of roof space to habitable use to include a rear dormer, 2 front rooflights and conversion of roof from hip to gable end, front porch, single storey outbuilding to rear for use as a home office and erection of boundary wall to sides and rear (Application for a Certificate of Lawful Development for a Proposed Development)
86 LANSBURY DRIVE HAYES UB4 8SD
Received 16 Mar 2020 - Approval73551/APP/2018/1577
Single storey rear extension involving demolition of existing conservatory to rear
5 COLUMBUS GARDENS NORTHWOOD HA6 1TL
Received 27 Apr 2018 - Refusal60155/APP/2021/551
Single storey rear extension, first floor rear extension and conversion of existing garage to habitable use for use as an annexe/office.
53 POLE HILL ROAD HILLINGDON
Received 11 Feb 2021 - Prior Approval N/Req6185/APP/2019/2044
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 3.65 metres, and for which the height of the eaves would be 2.575 metres
654 FIELD END ROAD RUISLIP
Received 17 Jun 2019 - Approval29768/APP/2020/828
Conversion of roofspace to habitable use to include a rear dormer, 2 front rooflights and conversion of roof from hip to gable end with a new gable end window (Application for a Certificate of Lawful Development for a Proposed Development)
5 FROGMORE AVENUE HAYES
Received 9 Mar 2020 - Approval3537/APP/2022/3339
Erection of single storey rear extension (Application for a Certificate of Lawful Development for a Proposed Development)
12 MILTON ROAD ICKENHAM
Received 1 Nov 2022 - Approval16084/APP/2023/2119
Erection of single storey extension to rear.
48 MOUNT PLEASANT RUISLIP
Received 17 Jul 2023 - Approval73955/APP/2022/2408
Details pursuant to the partial discharge of Conditions 9 (Slope Stability Assessment), 10 (Waterway Wall Survey) and 11 (Waterway Risk Assessment and Method Statement) for the Demolition Phase outside of the Canal Exclusion Zone only of planning consent reference 73955/APP/2021/3362 dated 20-01-2022 for 'Section 73 application to vary Conditions 2 and 3 of application reference 73955/APP/2020/139 (Demolition of existing buildings for residential-led mixed use development comprising buildings between 3 and 11 storeys to provide residential units (Use Class C3) and ground floor employment floorspace (Use Class B1) with associated access and car and cycle parking, landscape and amenity areas and associated servicing) to link internal corridors, relocate the consented gym use, relocate a duplex unit, change duplex units to single level, amend the refuse strategy and amend the layout of the car park & cycle stores'.
CROWN TRADING ESTATE CLAYTON ROAD HAYES
Received 29 Jul 2022 - Approval64228/APP/2019/1915
Installation of an emergency external generator
ACS INTERNATIONAL SCHOOL, HILLINGDON COURT VINE LANE HILLINGDON
Received 5 Jun 2019
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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