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 dates25,128Searchable applications
442Recorded as pending
80%Approval rate · 23,369 approved or refused records
4,765Refused applications
18,604 approved · 4,765 refused · 970 withdrawn. Received dates in our records: 18 Feb 2020 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 Counts reflect the last collected status; some records may be out of date.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
- Approval75966/APP/2020/3464
Single storey side/rear extension following demolition of existing garage
77 ST MARGARETS ROAD RUISLIP HA4 7NZ
Received 26 Oct 2020 - Approval854/APP/2024/447
Erection of an outbuilding to the rear garden, following the demolition of existing outbuilding and shed
25 MANOR ROAD RUISLIP
Received 20 Feb 2024 - Prior Approval N/Req77922/APP/2023/978
Demolition of existing single storey rear extension and 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 3.00 metres, and for which the height of the eaves would be 3.00 metres.
12 DOWN BARNS ROAD RUISLIP HA4 0LY
Received 3 Apr 2023 - Approval6730/APP/2023/3280
Erection of a wooden log cabin to rear garden following demolition of existing outbuildings.
83 ST GEORGE'S DRIVE ICKENHAM
Received 13 Nov 2023 - No Further Action(P)4516/APP/2025/1260
Proposed erection of a 3-bed attached dwelling with 2 off-street car parking spaces with refuse and bike storage (Part retrospective application)
104 WINDSOR AVENUE HILLINGDON
Received 6 May 2025 - Approval11752/APP/2023/2539
Variation of Condition 2 (Approved Plans) of planning permission ref. 11752/APP/2021/4019, dated 07-06-22 (Demolition of the existing bungalow and erection of 1 no. detached dwellinghouse with associated parking, landscaping, refuse and cycle storage) to include loft conversion to habitable use, alterations to fenestration and solar panels to the south elevation of the roof form
1 BURFORD CLOSE ICKENHAM
Received 25 Aug 2023 - Approval79361/APP/2025/829
Erection of single storey extension to the rear and increase in roof height of existing side extension and front dummy pitched roof.
42 BRACKENBRIDGE DRIVE RUISLIP HA4 0LZ
Received 21 Mar 2025 - Prior Approval N/Req46309/APP/2022/2800
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 3.15 metres, and for which the height of the eaves would be 3.00 metres
24 WHEATLEY CRESCENT HAYES
Received 9 Sept 2022 - Refusal39820/APP/2020/1669
Installation of outside staircase to first floor to create a private entrance to bedroom.
KIRK RANGE RICKMANSWORTH ROAD NORTHWOOD
Received 1 Jun 2020 - Approval61871/APP/2020/3605
Erection of a two storey, 3-bed dwelling with associated parking and amenity space involving demolition of existing timber structure
LAND TO REAR OF 63 DALEHAM DRIVE HILLINGDON
Received 27 Oct 2020 - Undecided60901/APP/2026/2157
Erection of a 5,000 sq ft (approximately 464.5 m²) agricultural building to support the existing mixed livestock and poultry enterprise (General Permitted Development) (England) Order 2015 (as amended) - Schedule 2, Part 6.
THE WATERTOWER FIELD, DUCKS HILL FARM DUCKS HILL ROAD NORTHWOOD HA6 2SW
Received 4 Sept 2026 - Refusal70025/APP/2020/3016
First floor rear extension and porch to front
55 DELLFIELD CRESCENT COWLEY UB8 2EU
Received 22 Sept 2020 - Prior Approval N/Req76852/APP/2022/793
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
150 SUTTON COURT ROAD HILLINGDON UB10 9HT
Received 15 Mar 2022 - Approval1331/APP/2026/619
Details pursuant to the partial discharge of conditions 17 (materials) Part i and 18 (elevation details) Part i of planning consent reference 1331/APP/2022/2553 dated 05-07-2023 (Partial demolition and redevelopment of the former canteen building to provide a new healthcare facility (Class E(e)), nursery (Class E(f)) and reconfigured residential building (Block H) (Class C3) with a commercial unit at ground floor (Class E), including associated landscaping, access, car parking and other engineering works)
Canteen Building, Former Nestle Factory site NESTLES AVENUE HAYES
Received 10 Mar 2026 - Approval75428/APP/2023/443
Conversion of Class C3 Dwellinghouse into 7B7P Sui Generis HMO with two storey side extension and part double storey rear extension
15 DICKENS AVENUE HILLINGDON UB8 3DH
Received 16 Feb 2023 - Approval48089/APP/2021/365
Single storey rear extension
26 SHENLEY AVENUE RUISLIP
Received 28 Jan 2021 - Approval77767/APP/2023/1355
Erection of single storey side/rear extension.
12 MARSWORTH CLOSE HAYES
Received 10 May 2023 - Approval66775/APP/2025/1738
Erection of a part single, part two storey extension to the rear
80 CASTLETON ROAD RUISLIP
Received 23 Jun 2025 - Approval26544/APP/2023/2303
Redevelopment of an existing Children's Home to provide new build residential institution development (Use Class C2). Erection of 3no. 2 storey buildings, providing accommodation for 12 young people and 6 household staff and an Educational building; hard and soft landscaping, communal and private garden areas and a Multi-Use Games Area.
CHILDRENS HOME CHARVILLE LANE HAYES
Received 4 Aug 2023 - Approval16408/APP/2025/1870
Conversion of roof space to habitable use to include a rear dormer with Juliette balcony, 2 x front roof lights, conversion of roof from hip to gable end with new gable end window (Application for a Certificate of Lawful Development for a Proposed Development)
6 ST MARGARETS ROAD RUISLIP
Received 9 Jul 2025 - Refusal36196/APP/2020/4043
Two storey side extension and part two storey part single storey rear extension.
15 ELMBRIDGE CLOSE RUISLIP
Received 7 Dec 2020 - Refusal63443/APP/2023/2479
Erection of a single storey extension to side and rear of the dwelling
33 SKIPTON DRIVE HAYES MIDDLESEX UB3 1PN
Received 21 Aug 2023 - Withdrawn (P)24062/APP/2021/1100
Two storey side extension and part two storey part single storey rear extension
11 MILDRED AVENUE HAYES
Received 19 Mar 2021 - Approval77427/APP/2022/2289
Erection of two storey and part single storey side and rear extensions, conversion of garage to habitable use and addition of a front porch.
34 WEST MEAD RUISLIP HA4 0TL
Received 18 Jul 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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