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 dates26,777Searchable applications
441Recorded as pending
79%Approval rate · 24,950 approved or refused records
5,232Refused applications
19,718 approved · 5,232 refused · 1,012 withdrawn. Received dates in our records: 20 Sept 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 Counts reflect the last collected status; some records may be out of date.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
- Refusal17990/APP/2021/1941
Details pursuant to condition 6 (Trees) of planning permission ref: 17990/APP/2019/1786 dated 02/08/19 (Part two storey, part first floor rear extension, alterations to rear elevation and conversion of roof space to habitable use to include extension to roof, 2 rear dormers, and 4 front and 1 rear roof light)
51 WIELAND ROAD NORTHWOOD
Received 13 May 2021 - Approval3606/APP/2025/248
Erection of an outbuilding to the rear following the demolition of the existing outbuilding.
40 DEANE WAY EASTCOTE RUISLIP
Received 3 Feb 2025 - Refusal7925/APP/2020/3561
Single storey rear extension and enlargement of habitable roof space to include enlargement of front and rear dormers and addition of 2 side dormers
52 MICAWBER AVENUE HILLINGDON
Received 3 Nov 2020 - Approval77460/APP/2024/1546
Details pursuant to the discharge of Condition 3 (Materials) of planning permission ref. 77460/APP/2023/2671, dated 09-01-2024 (Replacement of vacant car sales centre with a 3-storey mixed use development comprising of 1 x 1-bed apartment, 7 x 2-bed apartments and 1 x 3-bed apartment, with associated ground floor undercroft car and cycle parking and ground floor commercial space (Use Class E).
Northwood Commercial Sales/Autocentre Northwood Ltd PINNER ROAD NORTHWOOD HA6 1DD
Received 10 Jun 2024 - Refusal (Appealed)46529/APP/2020/3909
Installation of vehicular crossover to front.
137 LONG LANE HILLINGDON
Received 26 Nov 2020 - Prior Approval N/Req7119/APP/2026/1518
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 4 metres, and for which the height of the eaves would be 3 metres
31 LIME GROVE RUISLIP
Received 18 Jun 2026 - Withdrawn (P)53216/APP/2020/2922
Application for Non-Material Amendment to Planning Permission reference: 53216/APP/2018/4179, dated 21/11/2019 (Change of use of 25 existing moorings from leisure to residential use, with associated works) in order to make changes to the approved parking layout, landscaping, cycle storage, bin storage and lighting
PACKET BOAT MARINA PACKET BOAT LANE COWLEY UB8 2JJ
Received 14 Sept 2020 - Refusal61487/APP/2023/3519
Erection of a part single storey, part double storey rear extension.
30 ST MARY'S ROAD HAYES MIDDLESEX UB3 2JP
Received 5 Dec 2023 - Approval30834/APP/2020/2938
Two storey side extension and part two storey/part single storey rear extension
13 LITTLE ROAD HAYES
Received 15 Sept 2020 - Approval78844/APP/2024/1576
Construction of a single-storey wrap around side and rear extension
102 WRAYSBURY DRIVE YIEWSLEY UB7 7FR
Received 13 Jun 2024 - Approval44010/APP/2023/2249
Erection of outbuilding to rear garden (Application for a Certificate of Lawful Development for a Proposed Development)
25 KEWFERRY DRIVE NORTHWOOD
Received 27 Jul 2023 - Approval49092/APP/2022/3697
Erection of single storey side extension
4 ARDLEY CLOSE RUISLIP
Received 6 Dec 2022 - Approval43139/APP/2019/3534
Single storey side/rear extension
66 SEATON GARDENS RUISLIP
Received 28 Oct 2019 - Approval77506/APP/2026/973
Erection of a single storey extension to the side/rear, erection of front porch, following the demolition of existing garage
46 DELLFIELD CRESCENT COWLEY
Received 20 Apr 2026 - Approval29456/APP/2024/3023
Erection of a front porch and a single storey rear extension.
37 CASTLETON ROAD RUISLIP
Received 14 Nov 2024 - Approval31167/APP/2020/256
Single storey side/rear extension
324 LONG LANE HILLINGDON
Received 24 Jan 2020 - Approval585/APP/2024/2194
Details pursuant to the discharge of Condition 21 (Low Emission Zone for Non-road Mobile Machinery) of planning permission ref. 585/APP/2017/2819, dated 14/03/2019 (Outline planning application with means of site access from the central access road (internal access, layout, scale, appearance and landscaping reserved for subsequent approval) for the erection of up to 90 dwellings (Use Class C3), sustainable urban drainage features and all other necessary ancillary and enabling works).
LAND EAST OF MONS BARRACK BLOCK, ST ANDREW'S PARK HILLINGDON ROAD UXBRIDGE UB10 0RX
Received 14 Aug 2024 - Approval40092/APP/2025/2643
Erection of outbuilding to rear garden
98 DAWLEY ROAD HAYES
Received 13 Oct 2025 - Approval70221/APP/2021/4413
Erection of outbuilding to rear garden (Application for a Certificate of Lawful Development for a Proposed Development)
232 WEST END ROAD RUISLIP HA4 6DX
Received 1 Dec 2021 - Approval4058/APP/2024/1940
Details pursuant to the discharge of Condition 5 (Level Access) of planning consent reference 4058/APP/2024/587 dated 20-06-2024 for 'External air conditioning plant within a timber enclosure, replacement of external ramp, repair and restoration of windows throughout and installation of secondary glazing, replacement of damaged windows and doors, repairs and application of render and external vents, removal of non-original roof light and infill of roof opening. Internal reconfiguration and alterations including the removal and installation of partition walls, replacement of doors, removal and replacement of floor finishes, removal and replacement of suspended ceilings, along with other associated works. Erection of an external bin store along with a new footpath and associated landscaping'.
THE FURZE HILLINGDON HOSPITAL PIELD HEATH ROAD HILLINGDON UB8 3NN
Received 17 Jul 2024 - Withdrawn (P)46814/APP/2024/696
Retention of new floor to ceiling windows (Retrospective application).
39 - 41 HIGH STREET RUISLIP
Received 15 Mar 2024 - Refusal77463/APP/2022/2496
Extend the existing drop kerb by 1.350m
2B BRICKWALL LANE RUISLIP
Received 7 Aug 2022 - Approval78869/APP/2024/2083
Details pursuant to the discharge of Conditions 3 (Materials), 4 (Ground and Floor Levels), 6 (Accessibility), 10 (Landscaping), 11 (Demolition and Construction Management Plan), 13 (Tree Protection Plan) and 14 (Vehicular Access) of planning permission ref. 20978/APP/2023/3002, dated 10-07-2024 (Demolition of existing garages and construction of block of 2 storey flats containing 4 x 2-bed and 2 x 1-bed dwellings).
LAND AT BLACKMORE WAY BLACKMORE WAY UXBRIDGE
Received 2 Aug 2024 - Approval76627/APP/2022/828
Erection of single storey front extension, two storey rear extension and conversion of roof space to habitable use including front dormer, rear dormer and 10 no. rooflights.
83 CRANBOURNE ROAD NORTHWOOD HA6 1JZ
Received 10 Mar 2022
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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