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 dates23,662Searchable applications
447Recorded as pending
80%Approval rate · 21,976 approved or refused records
4,384Refused applications
17,592 approved · 4,384 refused · 917 withdrawn. Received dates in our records: 30 Jun 2020 to 5 Oct 2026. Most recent record check: 13 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 Counts reflect the last collected status; some records may be out of date.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
- Refusal64690/APP/2024/309
Erection of a single storey rear extension and front porch. Conversion and alteration of roof space to habitable use to include a rear dormer and 2 side roof lights.
12 BELMONT CLOSE UXBRIDGE
Received 5 Feb 2024 - Approval72724/APP/2020/3172
First floor side and rear extension
2 THE RIDGEWAY RUISLIP
Received 5 Oct 2020 - Approval79133/APP/2024/2886
Erection of outbuilding (Application for a Certificate of Lawful Development for a Proposed Development)
240 BOTWELL LANE HAYES
Received 30 Oct 2024 - Undecided25569/APP/2026/2236
Retention of single storey rear conservatory (retrospective application)
411 LANSBURY DRIVE HAYES
Received 18 Sept 2026 - Refusal9348/APP/2023/381
Demolition of the existing extension. Erection of a single storey rear extension.
69 BERKELEY ROAD HILLINGDON
Received 9 Feb 2023 - Approval28989/APP/2024/418
Erection of first floor side extension and two storey rear extension with associated works.
67 PARK LANE HAYES
Received 17 Feb 2024 - Approval3664/APP/2020/3602
Conversion of roof space to habitable use to include a rear dormer, 2 front rooflights and gable end window (Application for a Certificate of Lawful Development for a Proposed Development)
1 BOMER CLOSE SIPSON W.DRAYTON
Received 5 Nov 2020 - Withdrawn (P)56390/APP/2024/2012
Erection of a part single, part two storey extension to the rear (Application for a Certificate of Lawful Development for a Proposed Development) (Amended Description)
75 GLEDWOOD DRIVE HAYES
Received 26 Jul 2024 - Approval43769/APP/2021/1278
Single storey side/rear extension and first floor rear extension
44 CHURCH ROAD WEST DRAYTON
Received 30 Mar 2021 - Approval20342/APP/2022/2836
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 4.00 metres, and for which the height of the eaves would be 2.60 metres
5A HARROW VIEW HILLINGDON
Received 13 Sept 2022 - Refusal10729/APP/2025/2026
Replacement of shop front fascia sign, erection of double sided illuminated projecting sign and illuminated trough light to the signage board (Retrospective application)
72 HIGH STREET RUISLIP
Received 28 Jul 2025 - Approval74741/APP/2020/2773
Part two storey, part single storey rear extension and single storey side extension
20 MILTON COURT ICKENHAM UB10 8ND
Received 2 Sept 2020 - Approval13878/APP/2021/3334
Demolition of existing garage and utility room. Erection of single storey side and front extension and first floor rear extension.
31 PARK ROAD HAYES
Received 1 Sept 2021 - Approval31875/APP/2024/1905
Erection of a single storey front, side and rear extension. Conversion of integral garage to habitable accommodation.
35 ALANDALE DRIVE PINNER
Received 12 Jul 2024 - Approval16923/ADV/2025/53
Installation of 2no. non-illuminated free standing signs, 1no. poster sign
NESTLES AVENUE DAY NURSERY NESTLES AVENUE HAYES
Received 18 Dec 2025 - Approval19033/APP/2025/357
Installation of solar arrays to the roofs of two buildings (Application under Class J, Part 14, Schedule 2 of the General Permitted Development (England) Order 2015 (as amended))
MICRO HOUSE BURY STREET RUISLIP
Received 12 Feb 2025 - Approval78960/APP/2024/2107
Conversion of existing refuse storage area to provide disabled access to 1st floor flat with amendments to fenestration and provision of bin stores
59 BONIFACE ROAD ICKENHAM UB10 8BY
Received 5 Aug 2024 - Approval45970/APP/2020/3101
Single storey front/side/rear extension
20 CRESCENT GARDENS EASTCOTE
Received 30 Sept 2020 - Approval31299/APP/2023/1267
Demolition of garage to enable erection of single storey wraparound extension to rear, side and front of property.
38 STOWE CRESCENT RUISLIP
Received 2 May 2023 - No Further Action(P)39704/APP/2025/812
OUT OF BOROUGH CONSULTATION FROM EALING COUNCIL FOR: Site clearance and preparation, including demolition of all existing buildings on site and redevelopment of the site to provide: Construction of four data centre units within three buildings of approximately 67.9m AOD in height (Use Class B8, approximately 158,702sq.m GEA), four industrial buildings ranging from approximately 41.3m to 46.2m AOD in height (Use Classes B8, B2 and E(g)(iii), approximately 23,389sq.m GEA), central pavilion building of approximately 35m AOD in height (Use Class E(b), approximately 223sq.m GEA), two substations (38.05m AOD in height), associated plant, enclosures and necessary physical security systems, internal roads, servicing, circulation, car and cycle parking and hard and soft landscaping works. This application is accompanied by an Environmental Statement for the purposes of Environmental Impact Assessment under The Town and Country Planning (Environmental Impact Assessment) Regulations 2017 (as amended). PLEASE REFER TO THE INFORMATION FOUND ON THE EALING COUNCIL WEBSITE
INTERNATIONAL TRADING ESTATE, TRIDENT WAY SOUTHALL, EALING COUNCIL MIDDLESEX UB2 5LF
Received 24 Mar 2025 - Withdrawn (P)30603/APP/2022/3756
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 2.89 metres, and for which the height of the eaves would be 2.89 metres
490 BATH ROAD LONGFORD
Received 12 Dec 2022 - Approval75111/APP/2025/1440
Details pursuant to the partial discharge of Conditions 31 (Contaminated Land), 34 (EA - Verification Report) and 38 (EA - Decommissioning of Boreholes) in relation to Data Centre Blocks 2 and 3 (UP2 and UP3) only as attached to planning permission ref. 75111/APP/2020/1955 dated 15-04-2021 (Site clearance and preparation, including the demolition of remaining buildings, and the redevelopment of the site to provide: a new data centre (Use Class B8), two MV Energy Centres (including stand-by generation plant and gas storage), a HV Sub-Station, a visitor reception centre, plant, the creation of 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 (including works to the River Crane) and ancillary uses, as well as associated external works).
Land at Bulls Bridge Industrial Estate NORTH HYDE GARDENS HAYES UB3 4QQ
Received 27 May 2025 - Approval23547/APP/2020/3705
Non-material amendment to planning permission ref: 23547/APP/2018/2403 dated 24/08/2018 (Single storey outbuilding to rear for use as a gym/store) to alter the design of the outbuilding.
21 BARNHILL EASTCOTE
Received 12 Nov 2020 - Approval25656/APP/2021/1961
Single storey rear extension and conversion of garage to habitable room with associated works
167 SWAKELEYS ROAD ICKENHAM
Received 13 May 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
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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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