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 dates24,258Searchable applications
447Recorded as pending
80%Approval rate · 22,537 approved or refused records
4,537Refused applications
18,000 approved · 4,537 refused · 940 withdrawn. Received dates in our records: 1 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 Counts reflect the last collected status; some records may be out of date.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
- Approval49901/APP/2025/3191
Erection of side dormer (Application for a Certificate of Lawful Development for a Proposed Development).
60 COPSE WOOD WAY NORTHWOOD
Received 17 Dec 2025 - Approval26712/APP/2023/3021
Erection of a 6 bed detached property, following demolition of existing dwelling.
CETLAS FARM ROAD NORTHWOOD
Received 17 Oct 2023 - Refusal22078/APP/2025/1112
Erection of outbuilding to rear garden for use as annex.
35 COPPERFIELD AVENUE HILLINGDON
Received 16 Apr 2025 - Refusal18627/APP/2023/1770
Erection of a front porch and new roof over single storey extension to rear (Retrospective application).
25 BLOSSOM WAY WEST DRAYTON
Received 19 Jun 2023 - Approval77923/APP/2026/404
Erection of single storey outbuilding to rear garden (Application for a Certificate of Lawful Development for a Proposed Development)
50 DIAMOND ROAD RUISLIP HA4 0PG
Received 16 Feb 2026 - Approval16601/APP/2021/3770
Single storey side and rear extension and the demolition of the existing garages
1 CHESTER ROAD NORTHWOOD
Received 7 Oct 2021 - Approval79856/APP/2026/881
Erection of a part single storey, part two storey extension to the rear, erection of front porch, erection of outbuilding and amendments to fenestration
201 COLDHARBOUR LANE HAYES UB3 3EH
Received 7 Apr 2026 - Prior Approval N/Req79514/APP/2026/1673
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 3.20 metres, and for which the height of the eaves would be 2.90 metres
29 NEW PEACHEY LANE COWLEY UB8 3SX
Received 3 Jul 2026 - Withdrawn (P)33610/APP/2023/1322
Conversion of a 5bed dwelling to 3no. Flats (Description change)
74 COMMONWEALTH AVENUE HAYES
Received 5 May 2023 - Approval532/APP/2021/943
Details pursuant to conditions 8 (CUA), 11 (air quality), 12 (air quality), 13 (CMP), 17 (noise management), 19 (access) of planning consent ref: 532/APP/2020/1978 Upgrade of existing sports pitch to provide World Rugby Compliant 3G Artificial Grass Pitch with associated perimeter fencing and technical dugout recessed areas, erection of temporary gym facility, and associated works
UNIVERSITY PLAYING FIELDS BRUNEL UNIVERSITY KINGSTON LANE HILLINGDON
Received 11 Mar 2021 - Approval47681/APP/2021/4579
Erection of a two storey side extension and single storey rear extension.
49 SHEPISTON LANE HAYES
Received 20 Dec 2021 - Approval1331/APP/2023/3394
Details pursuant to the partial discharge of Condition 49 (Contaminated Soils - Block F3/F4) 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
Received 23 Nov 2023 - Approval17488/APP/2022/44
Details pursuant to the discharge of Conditions 4 (Landscaping), 5 (Car Parking Management Plan), 8 (Archaeology), 11 (Low Emission Strategy) and 12 (Construction Environmental Management Plan) of planning permission ref. 17488/APP/2021/1971, dated 16/12/21 (Installation of Multi-Use Games Area and associated development, including 3m high chain link boundary fencing and 6 x 8m high floodlighting columns)
IMPERIAL COLLEGE, SPORTS GROUND SIPSON LANE HARLINGTON
Received 10 Jan 2022 - Approval9319/APP/2025/1075
Erection of a single storey rear extension.
36 WHITEHEATH AVENUE RUISLIP
Received 14 Apr 2025 - Approval65386/APP/2023/3352
Erection of a single storey rear extension, following demolition of garage
45 ZEALAND AVENUE HARMONDSWORTH MIDDLESEX UB7 0BW
Received 21 Nov 2023 - Prior Approval N/Req10309/APP/2022/3246
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 2.95 metres, and for which the height of the eaves would be 2.95 metres
15 WENTWORTH CRESCENT HAYES
Received 24 Oct 2022 - Prior Approval N/Req33168/APP/2020/2340
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 3.5 metres, and for which the height of the eaves would be 2.7 metres
19 MALMESBURY CLOSE PINNER
Received 27 Jul 2020 - Approval14440/APP/2025/2882
Erection of two storey side extension, part single part two storey rear extension, 2 x rear dormers, 2x roof lights to the front, and amendments to fenestrations.
28 DAWLEY AVENUE HILLINGDON
Received 14 Nov 2025 - Approval36850/APP/2022/3792
Erection of a part single storey, part double storey side and rear extension, single storey porch, following demolition of part of the existing buildings and extending the existing driveway including a ramp access
4 WILDWOOD NORTHWOOD
Received 14 Dec 2022 - Approval24/APP/2023/2114
Installation of four new microwave transmission dishes on braced support poles fixed to the face of the building and one new 150mm wide cable tray, alongside the removal of three existing microwave transmission dishes on freestanding support frames.
Rooftop at Point West 1040 UXBRIDGE ROAD HAYES UB4 0RQ
Received 17 Jul 2023 - Refusal9509/APP/2021/4390
Erection of front boundary wall.
1 FAIRWAY AVENUE WEST DRAYTON
Received 1 Dec 2021 - Approval48164/APP/2022/3231
Proposed part double storey rear extension and amendments to existing single storey rear extension.
4 BRIDGE WAY ICKENHAM
Received 24 Oct 2022 - Refusal56411/APP/2021/1559
Conversion of roofspace to habitable use to include a rear dormer and 2 front rooflights
11 MARSWORTH CLOSE HAYES
Received 20 Apr 2021 - Approval11752/APP/2022/2315
Details pursuant to the discharge of Conditions 3 (materials), 6 (step free access), 7 (Category 2 M4(2) dwellings), 8 (sustainable water management), 9 (landscape scheme) and 11 (Construction Logistics Plan) 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)
1 BURFORD CLOSE ICKENHAM
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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