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 dates24,060Searchable applications
447Recorded as pending
80%Approval rate · 22,350 approved or refused records
4,497Refused applications
17,853 approved · 4,497 refused · 935 withdrawn. Received dates in our records: 23 May 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 Counts reflect the last collected status; some records may be out of date.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
- Refusal31853/APP/2024/2380
Construction of a first-floor side extension and installation of a vehicle crossover and driveway
25 NORTH HYDE ROAD HAYES
Received 3 Sept 2024 - Approval77282/APP/2022/1602
Erection of a single storey rear extension
19 GREENCROFT AVENUE RUISLIP HA4 9JH
Received 17 May 2022 - Approval20670/APP/2021/3604
Conversion of roof space to habitable use to include a rear dormer with juliette balcony, 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)
24 HARVIL ROAD HAREFIELD
Received 25 Sept 2021 - Approval51739/APP/2026/861
Erection of a single storey side extension.
38 BOURNE AVENUE RUISLIP
Received 2 Apr 2026 - Refusal (Appealed)61380/APP/2023/3184
Sub-division of the existing semidetached house no.5 Primrose Gardens to provide a new flat no. 5A (Application for a Certificate of Lawful Development for an Existing Development)
5 PRIMROSE GARDENS RUISLIP
Received 2 Nov 2023 - Approval61204/APP/2024/2567
Conversion of roof space to habitable use to include a rear/side wraparound dormer and removal of chimney breasts (Application for a Certificate of Lawful Development for a Proposed Development)
41 HERLWYN AVENUE RUISLIP MIDDX
Received 25 Sept 2024 - Approval2445/APP/2021/4283
Erection of a single storey rear extension
4 DUNBAR CLOSE HAYES
Received 21 Nov 2021 - Approval45040/APP/2021/3627
Partial demolition of the existing rear extensions. Erection of a single storey rear extension, with part two storey rear extension.
112 CENTRAL AVENUE HAYES
Received 27 Sept 2021 - Refusal32271/APP/2021/1197
Installation of vehicular crossover to front
124 WEST END ROAD RUISLIP
Received 25 Mar 2021 - Approval32288/APP/2020/3450
Single storey outbuilding to rear for use as a physical fitness studio/storage
48 HIGHFIELD DRIVE ICKENHAM
Received 25 Oct 2020 - Approval79304/APP/2025/449
Erection of a single storey rear extension.
5 ASHWOOD AVENUE HILLINGDON UB8 3LS
Received 19 Feb 2025 - Approval16199/APP/2021/3237
Single storey side extension and single storey rear extension.
109 HALLOWELL ROAD NORTHWOOD
Received 24 Aug 2021 - Withdrawn (P)21432/APP/2021/4649
Demolition of existing buildings and erection of 2 blocks of flats comprising 38 units (7 x studio, 6 x 1-bed, 14 x 2-bed and 11 x 3-bed) with 2 disabled parking spaces and vehicular access off North Hyde Road and rear garage court areas accessed from Sandow Crescent.
THE FORMER VICTORIA PUB AND REAR GARAGE COURT AREAS ACCESSED FROM SANDOW CRESCENT 32 NORTH HYDE ROAD HAYES UB3 4NE
Received 29 Dec 2021 - Approval17377/APP/2020/2318
Single storey side extension
125 THE GREENWAY ICKENHAM
Received 27 Jul 2020 - Approval78211/APP/2023/2591
Erection of a single storey and part two storey rear extension
5 BRADENHAM ROAD HAYES UB4 8LP
Received 4 Sept 2023 - Approval35755/APP/2022/2338
Details pursuant to condition 16 (bird hazard management) of planning permission ref. 35755/APP/2021/4136 dated 29-04-2022 (Demolition of existing buildings and the construction of a Class E(g)ii, E(g)iii, B2 and B8 use employment unit with ancillary office accommodation, including new vehicular access, associated external yard areas, HGV and car parking, servicing, external lighting, landscaping, infrastructure and associated works)
MJF GROUP, RIVER HOUSE RIVERSIDE WAY UXBRIDGE
Received 21 Jul 2022 - Approval77269/APP/2022/1629
Conversion of roofspace to habitable use to include a hip to gable extension and rear dormer (Application for a Certificate of Lawful Development for a Proposed Development)
14 CLEVEDON GARDENS HAYES UB3 1RE
Received 19 May 2022 - Refusal75874/APP/2026/836
Non-material amendment to planning permission ref. 75874/APP/2024/3369, dated 05-03-2025 (Erection of a part single storey, part two storey extension to the the side and rear. Erection of a detached outbuilding.) to amend fenestration, add roof lights and add render to exterior walls.
2 WOODCROFT CRESCENT HILLINGDON UB10 9JA
Received 30 Mar 2026 - Approval16758/APP/2022/1827
Erection of a single storey extension to the rear
104 SWAKELEYS ROAD ICKENHAM
Received 8 Jun 2022 - Prior Approval N/Req532/APP/2021/4533
The proposed development comprises alterations to the eastern facade of the Hamilton Centre at Brunel University. The plans comprise the removal of existing ground floor glazing to create new entrances into the building. Landscaping changes (including the raising of levels, new terrace and stairs/ramps) are also proposed to facilitate access between the new entrances and the Quod.
HAMILTON CENTRE BRUNEL UNIVERSITY KINGSTON LANE HILLINGDON UB8 3PH
Received 13 Dec 2021 - Approval5372/APP/2025/3056
Conversion of roof space to habitable use to include hip to gable end, rear dormer, 2x front roof lights, and 2x side facing windows. (Application for a Certificate of Lawful Development for a Proposed Development)
18 LICHFIELD ROAD NORTHWOOD
Received 4 Dec 2025 - Refusal70262/APP/2021/2633
Change of use from dwellinghouse (Use Class C3) to residential home for up to 6 residents living together as a single household (Use Class C3b)
2 WIMBORNE AVENUE HAYES UB4 0HG
Received 2 Jul 2021 - Approval42819/APP/2024/304
Erection of a part single storey, part double storey extension to the rear
21 NORTHOLT AVENUE RUISLIP MIDDLESEX
Received 6 Feb 2024 - Withdrawn (P)1331/APP/2021/4610
Details pursuant to the partial discharge of Condition 25 (Construction Logistics Plan - Block F3/F4 only) as attached to planning permission ref. 1331/APP/2019/2314 dated 28/06/2021 (Development of 4 no. new buildings comprising residential units (in addition to those approved under planning permission ref: 1331/APP/2017/1883), a basement extension to Block B, flexible commercial uses (Class E) and associated landscaping, access, car parking and other engineering works).
Block F3/F4 Former Nestle Factory NESTLES AVENUE HAYES UB3 4RF
Received 21 Dec 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
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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