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 dates23,496Searchable applications
447Recorded as pending
80%Approval rate · 21,815 approved or refused records
4,335Refused applications
17,480 approved · 4,335 refused · 915 withdrawn. Received dates in our records: 11 Jul 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 Counts reflect the last collected status; some records may be out of date.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
- Prior Approval N/Req12396/APP/2025/605
Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 3.75 metres, for which the maximum height would be 2.95 metres, and for which the height of the eaves would be 2.87 metres.
39 OTTERFIELD ROAD YIEWSLEY
Received 6 Mar 2025 - Refusal (Appealed)78371/APP/2023/3322
Change of use from Use Class E to mixed use of Class E and Sui Generis (Massage and Beauty Shop) and merging shop nos. 5-7 & 9-11 into one single unit.
5-7 HERCIES ROAD HILLINGDON UB10 9LS
Received 16 Nov 2023 - Refusal56582/APP/2022/299
Raising of roof to provide habitable accommodation within loft space, to include a double hip to gable conversion, and erection of a part two storey, part single storey side/rear extension, rear patio and external alterations to the property
2 HALFORD ROAD ICKENHAM
Received 2 Feb 2022 - Withdrawn (P)5152/APP/2023/3537
Erection of a two storey dwelling on the land north of 98 Drayton Gardens.
Land to the north side of 98 DRAYTON GARDENS WEST DRAYTON
Received 5 Dec 2023 - Approval76097/APP/2023/136
Erection of single storey rear and side extensions with new porch (revised plans)
27 CARNARVON DRIVE HAYES MIDDLESEX
Received 16 Jan 2023 - Approval80024/APP/2026/962
Erection of a single storey rear outbuilding as a gym/home office
74 HANOVER CIRCLE HAYES UB3 2TL
Received 16 Apr 2026 - Refusal15589/APP/2026/191
Variation of Condition 2 (Approved Plans) of planning permission ref. 15589/APP/2025/2758, dated 08-01-2026 (Erection of single storey rear extension) to improve design layout
120 BEVERLEY ROAD RUISLIP
Received 23 Jan 2026 - Withdrawn (P)32415/APP/2021/3477
Non-material amendment to planning permission ref.32415/APP/2020/2984, dated 4 December 2020, First floor side extension, dormer to front and raising walls of first floor rear element to increase head height to three changes to windows.
6 MOOR PARK ROAD NORTHWOOD
Received 13 Sept 2021 - Withdrawn (P)78682/APP/2024/1121
Installation of 1 x front facing roof light, 1 x side facing roof light and 2 x rear facing roof lights.
2A OLIVIA GARDENS HAREFIELD UB9 6QF
Received 30 Apr 2024 - Approval76459/APP/2021/2049
Request for approval of Plans and Specifications under condition imposed by Schedule 17 to the High Speed Rail (London - West Midlands) Act 2017 relating to a site area of 46,528.5m2, for the realignment of approx. 1km of Harvil Road, including the Harvil Road Stream Underbridge (comprising wingwalls, parapets, box culvert and mammal ledge); earthworks associated with the highway embankments and access roads associated with the realigned Harvil Road, swales; and the location of vehicle restraint systems and fencing.
LAND AT HARVIL ROAD HAREFIELD
Received 20 May 2021 - Refusal9459/APP/2023/1756
Partial conversion of integral garage to habitable accommodation and fenestration alterations (Application for a Certificate of Lawful Development for a Proposed Development)
170 VICTORIA ROAD RUISLIP
Received 19 Jun 2023 - Approval7668/APP/2022/1656
Erection of a single and part two storey rear extension
38 WARWICK CRESCENT HAYES
Received 23 May 2022 - Withdrawn (P)210/APP/2022/3465
Non-material amendment to planning permission ref. 210/APP/2022/2053, dated 09-11-2022 (Conversion of garage to habitable space, demolition of car port, alterations to existing conservatory and erection of single storey side and rear extension) alteration to width of the rear extension, change roof of rear extension from pitch to flat
49 CHURCH ROAD COWLEY
Received 11 Nov 2022 - Approval78424/APP/2024/1894
Erection of an additional floor to bungalow including installation of 1no. side facing window. Erection of a single storey rear extension following the demolition of the existing conservatory, and amendments to fenestration.
60 MARLBOROUGH AVENUE RUISLIP HA4 7NP
Received 12 Jul 2024 - Approval50395/APP/2021/473
Non-material amendment to Prior Approval granted under Ref: 50395/APP/2019/1943 (Change of use of offices (Use Class B1a) to 44 residential units (Use Class C3) (Application for Prior Approval under Schedule 2, Part 3, Class O of the Town and Country Planning (General Permitted Development) (England) Order 2015)) to reconfigure the internal units to maintain the existing stairwell
BEDFONT CROSS STANWELL ROAD FELTHAM TW14 8NX
Received 5 Feb 2021 - Prior Approval N/Req77796/APP/2023/179
Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 4.0 metres, for which the maximum height would be 3.2 metres, and for which the height of the eaves would be 2.9 metres
37 WINDSOR AVENUE HILLINGDON UB10 9AT
Received 9 Jan 2023 - Approval75827/APP/2023/1160
Erection of single storey extension and part first floor extension to the rear.
11 BIRCHWAY HAYES
Received 20 Apr 2023 - Approval16067/APP/2020/3142
Single storey side and rear extension
19 HILLSIDE ROAD NORTHWOOD
Received 2 Oct 2020 - Refusal54522/APP/2024/2840
Erection of a part single storey, part two storey side extension, first floor rear extension and installation of external wall insulation.
11 & 11A DAWLEY AVENUE HILLINGDON
Received 25 Oct 2024 - Prior Approval N/Req76543/APP/2026/1079
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 2.70 metres
25 CLEVEDON GARDENS HAYES MIDDLESEX UB3 1RD
Received 30 Apr 2026 - Approval6862/TRE/2022/160
To carry out tree surgery including a reshaping to live growth following deadwood removal to One Oak T4 on TPO 254
19 COPSE WOOD WAY NORTHWOOD
Received 9 Aug 2022 - Approval76455/APP/2021/2020
Conversion of roof space to habitable use to include a rear dormer, 3 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)
79 VICTORIA AVENUE HILLINGDON UB10 9AJ
Received 19 May 2021 - Refusal (Appealed)66020/APP/2021/4369
Erection of rear outbuilding following demolition of existing structure.
51A THE DRIVE ICKENHAM
Received 30 Nov 2021 - Refusal79032/APP/2024/2439
Installation of replacement windows and doors.
528 BATH ROAD LONGFORD UB7 0EE
Received 10 Sept 2024
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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