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 dates22,518Searchable applications
449Recorded as pending
81%Approval rate · 20,885 approved or refused records
4,061Refused applications
16,824 approved · 4,061 refused · 886 withdrawn. Received dates in our records: 30 Sept 2020 to 5 Oct 2026. Most recent record check: 12 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 Counts reflect the last collected status; some records may be out of date.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
- Approval27179/APP/2022/567
Conversion of roof space to habitable use including a rear dormer, 2 front roof lights and conversion from hipped roof to gable end
1 SIDMOUTH DRIVE RUISLIP
Received 21 Feb 2022 - Approval75778/APP/2021/4148
Erection of a single storey part rear extension, conversion of roof space to habitable use to include a side dormer and removal of chimney (Application for a Lawful Development Certificate for a Proposed use or development).
24 GRASMERE AVENUE RUISLIP HA4 7PJ
Received 10 Nov 2021 - Non Determination (Appealed)27891/APP/2022/2859
Conversion of existing 6 people Class C4 HMO to a 7 people Sui Generis HMO
4 CHURCH CLOSE WEST DRAYTON
Received 14 Sept 2022 - Approval18713/APP/2020/3880
Two storey side extension and part two storey, part single storey rear extension
1 OAKDENE ROAD HILLINGDON
Received 24 Nov 2020 - Approval47351/APP/2025/3229
Details pursuant to the discharge of Condition 4 (Fenestration Details) of planning permission ref. 47351/APP/2023/3555, dated 12-09-2025 (Erection of a single storey side extension with four rooflights in the new roof slope; first floor rear extension; two storey front extension; change in roof form and conversion of roof space into habitable accommodation; erection of a rear dormer; addition of a roof lantern; conversion of garage to habitable use; alterations to fenestration to the front, side and rear elevations; and addition of a front porch.)
25 ST MARTINS APPROACH RUISLIP
Received 23 Dec 2025 - Refusal23509/APP/2021/2897
Details pursuant to Discharge of Condition 4 (Air Extraction System Noise and Odour) of planning permission Ref: 23509/APP/2020/3074 dated 27/11/2020 (Single storey rear extension link between restaurant and existing outbuilding to be used as a function room associated with the restaurant).
113B FIELD END ROAD EASTCOTE PINNER
Received 23 Jul 2021 - Refusal17762/APP/2020/3873
Erection of a three storey building with undercroft parking consisting of 3 x 2-bed, 1 x 1-bed and 2 x studio flats with associated parking at ground floor level
REAR OF DUVAL HOUSE HIGH STREET HARMONDSWORTH UB7 0BT
Received 23 Nov 2020 - Approval39729/APP/2024/2593
Existing use as Class C2 - Residential Institutions (Application for a Certificate of Lawful Development for a Existing Use)
83A KINGSWAY HAYES
Received 27 Sept 2024 - Prior Approval N/Req62529/APP/2026/259
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 3.70 metres, and for which the height of the eaves would be 3.00 metres
26 ST MARY'S ROAD HAYES MIDDLESEX
Received 29 Jan 2026 - Approval26659/APP/2022/1232
Erection of a single storey side extension and a part double, part single rear extension
25 ORCHARD WAYE UXBRIDGE
Received 13 Apr 2022 - Approval77089/APP/2022/3150
Erection of single storey extension to the side/rear and front porch
235 KINGSHILL AVENUE HAYES UB4 8BL
Received 14 Oct 2022 - No Further Action(P)68815/APP/2021/1951
Testing GIS May 2021
Hillingdon Test Test Road Hillingdon
Received 14 May 2021 - Prior Approval N/Req77357/APP/2022/1908
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 metres, and for which the height of the eaves would be 2.95 metres.
58 GROSVENOR CRESCENT HILLINGDON UB10 9ES
Received 20 Jun 2022 - Approval68788/APP/2025/2244
Erection of two storey side and rear extensions, conversion of roof space to habitable use to include the alteration of the roof profile, insertion of 4 rear and 3 front roof lights. Conversion of dwelling house into 2 x 2-bed and 2 x 1-bed self-contained flats with associated parking and amenity space.
51 PEMBROKE ROAD RUISLIP HA4 8NQ
Received 21 Aug 2025 - Approval23671/APP/2023/3195
Part retrospective application for the erection of a part single part two storey rear extension with amendments to fenestrations. Conversion of roof space to habitable use to include a rear dormer and two front roof light. Installation of an A/C unit on the south east and south west elevations and demolition of existing conservatory (amended description)
4 WOODHALL CLOSE UXBRIDGE
Received 3 Nov 2023 - Refusal56353/TRE/2021/1
To fell to ground level One Beech (TG2 on application) within Group 1 and To fell one Lawson Cypress (H1 on application) T13 both on TPO 229
19 WOODGATE CRESCENT NORTHWOOD
Received 8 Jan 2021 - Approval22673/APP/2024/675
Erection of a single storey rear extension and conversion of loft to habitable room with rear dormer and 3no. side roof lights.
72 RODNEY GARDENS EASTCOTE PINNER
Received 14 Mar 2024 - Approval58517/APP/2024/1681
Conversion of integral garage to habitable accommodation, erection of a front infill extension, amendments to fenestration including an additional ground floor window on the flank wall.
12 YEOMANS ACRE RUISLIP
Received 26 Jun 2024 - Approval66324/APP/2024/1567
Erection of an outbuilding in rear garden to be used as a gym
41 WENTWORTH CRESCENT HAYES
Received 12 Jun 2024 - Approval78955/APP/2024/2103
Installation of a new non-illuminated fascia sign and a replacement door to the shop.
75 VICTORIA ROAD RUISLIP
Received 2 Aug 2024 - Refusal (Appealed)24498/APP/2021/4480
Erection of a single storey extension to the front and side.
15 PEEL WAY HILLINGDON
Received 9 Dec 2021 - Approval57243/APP/2022/291
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 metres, and for which the height of the eaves would be 3 metres.
289 LANSBURY DRIVE HAYES
Received 1 Feb 2022 - Approval79755/APP/2026/507
Erection of a single storey wraparound side and rear extension, following the demolition of the rear extension.
283 BALMORAL DRIVE HAYES UB4 8DH
Received 27 Feb 2026 - Approval38932/APP/2025/3021
Erection of rear/side extension, infill to front(conversion of garage/workshop to habitable space), enlarge front dormer, amendments to fenestrations, expansion of roof space to rear, and removal of chimney stacks.
23 STANLEY ROAD NORTHWOOD
Received 1 Dec 2025
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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