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
Hillingdon planning applications
PlanningTrack collects planning applications and decisions from the public planning register of London Borough of Hillingdon. Search an address, application reference or proposal. Official Hillingdon website
Collected application statistics
Collected records · All available dates43,120Searchable applications
512Recorded as pending
77%Approval rate · 40,500 approved or refused records
9,504Refused applications
30,996 approved · 9,504 refused · 1,412 withdrawn. Received dates in our records: 11 Oct 2007 to 13 Oct 2026. Most recent record check: 22 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 Counts reflect the last collected status; some records may be out of date.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/Req72354/APP/2016/4071
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.
16 HAMILTON ROAD HAYES
Received 7 Nov 2016 - Approval43366/APP/2025/640
Conversion of roof space to habitable use to include a rear dormer with a Juliette balcony, 2 front roof lights and conversion of roof from hip to gable end with a new gable end window (Application for a Certificate of Lawful Development for a Proposed Development)
128 EXMOUTH ROAD RUISLIP
Received 7 Mar 2025 - Approval51458/APP/2019/341
Details pursuant to condition 6 (CEMP) and 7 (Boiler Emission Standard) of planning reference 51458/APP/2018/2791 dated 03-12-18 (Alterations and Extensions to an existing food factory to include a two storey 'DAF' processing plant extension to the south elevation incorporating an air-lock to an existing loading bay; a separate double height extension to south elevation for a new air-lock and storage bay to an existing high bay loading dock; an internal first floor extension to create a new plant room above the existing plant room; a new internal enclosure to form a new boiler room with a new external flue; external site alterations to provide 8 extra car visitor spaces and an extra space in the access road; new vehicle double barriers; security fencing; smoking and cycle shelters; a new concrete plinth extension to the existing west side plant area for new water storage tanks, an HV Transformer in a secure compound and a balance tank and a sludge tank within a concrete bunded area, an underground waste holding tank with screening building above and associated alterations to landscaping).
Unit 366 STOCKLEY CLOSE WEST DRAYTON UB7 9BL
Received 30 Jan 2019 - Approval12886/APP/2018/3793
Part two storey, part single single storey side/ rear and front extension and landscaping (Resubmission)
205 HAREFIELD ROAD UXBRIDGE
Received 26 Oct 2018 - Approval585/APP/2018/2288
Details pursuant to the partial discharge of Conditions 27 (Construction Environmental Management Plan) and 51 (Construction Logistics Plan) for 'The Dice' phase of planning application reference 585/APP/2015/848 (Variation of condition 5 of planning permission ref: 858/APP/2009/2752 dated 18/01/2012 (redevelopment of former RAF Uxbridge site) to amend approved plans and drainage strategy regarding the Town Centre Extension phase of development).
ST ANDREW'S PARK HILLINGDON ROAD UXBRIDGE
Received 20 Jun 2018 - Refusal (Appealed)73168/APP/2017/4524
Single storey side extension and installation of brick boundary wall to side
27A BEECH CLOSE WEST DRAYTON UB7 9LQ
Received 15 Dec 2017 - Approval54814/APP/2017/1643
Construction of new switchroom to enable operation of Western Access Road to the former Southall Gasworks site.
SOUTHALL WATERSIDE HAYES BY PASS HAYES UB1 1QX
Received 5 May 2017 - Approval62246/APP/2017/2718
Conversion of roofspace to habitable use to include a rear dormer, 2 front rooflights and conversion of roof from hip to gable end with a new gable end window (Application for a Certificate of Lawful Development for a Proposed Development)
1 TUDOR CLOSE EASTCOTE MIDDLESEX
Received 26 Jul 2017 - Approval30657/APP/2021/3122
Demolition of existing garage and erection of side extension.
31 CRANFORD DRIVE HAYES
Received 13 Aug 2021 - Approval35924/APP/2020/2270
Variation of condition 2 (Approved Plans) of planning permission ref: 35924/APP/2020/991 dated 08/06/2020 (Two storey, 1-bed attached dwelling and two storey rear extension involving parking and amenity space) to allow for minor material amendments
174 AYLSHAM DRIVE ICKENHAM
Received 22 Jul 2020 - Refusal74600/APP/2019/535
Installation of a 15m high monopole (Application under Part 16 of Schedule 2 to the Town and Country Planning (General Permitted Development) Order 2015 for determination as to whether prior approval is required for siting and appearance)
LAND OPPOSITE 102 CHURCH ROAD HAYES UB3 2LN
Received 12 Feb 2019 - Withdrawn (P)14755/APP/2023/2924
Erection of a single storey front and side extension, first floor rear extension, rear dormer, hip to gable extension with alterations to roof form, 2 front roof lights and amendments to fenestration. Installation of 2 new dropped kerbs and conversion of property into 4 x 1 bed flats, with associated amenity space, parking, cycle storage and refuge. (amended description)
13 WEYMOUTH ROAD HAYES
Received 9 Oct 2023 - Approval41605/APP/2024/2891
Non-material amendment to planning permission ref. 41605/APP/2024/302, dated 08-04-2024 (appeal ref. APP/R5510/D/24/3345547 dated 29-08-2024) (Erection of a single storey wrap around extension to the rear and side, two storey rear, followed by conversion of garage to habitable accommodation, conversion of roof space to habitable use to include 2x side dormers, following the demolition of existing conservatory and 1x chimney stack) to replace the proposed Juliette balcony with 2 windows on the front elevation.
112 SWAKELEYS ROAD ICKENHAM
Received 30 Oct 2024 - Undecided49261/APP/2026/2094
Details pursuant to the discharge of Condition 25 (Air Quality Assessment) of planning permission ref. 49261/APP/2024/2904 dated 12-03-2026 (Demolition of the existing building and structures on site, and all other associated site clearance works. Construction of a data centre building (Class B8) with plant at roof level with an emergency generator (1no.) and associated flue (provided within an external compound adjoining the data centre building), sprinkler tank and pumphouse, security guard house, and provision of one kiosk substation and MV Building. The development also comprises the construction of a new access and internal road and circulation areas, footpaths, provision of car and bicycle parking, hard and soft landscaping and other associated works and ancillary site infrastructure.)
UNIT 4, SILVERDALE INDUSTRIAL ESTATE SILVERDALE ROAD HAYES
Received 25 Aug 2026 - Approval52178/TRE/2026/198
TPO 57 T25 1x Quercus robur - Reduce crown by up to 2.25 m. TPO 653 A1 1x Ailanthus altissima (T2 on application) and 1x Fraxinus excelsior (T3 on application) to reduce crown by up to 2.5m.
96 GREEN LANE NORTHWOOD
Received 17 Aug 2026 - Approval39230/APP/2023/1846
Erection of single storey side and rear extensions and a detached outbuilding following the demolition of existing garage
2 DAWLEY AVENUE HILLINGDON
Received 26 Jun 2023 - Approval27657/TRE/2021/226
To carry out tree surgery including a lateral prune on north side by 0.5m, east side by 3m, south side by 1m and west side by 2.5m, to One Oak T13 on TPO 12
GLENWOOD, 30 KEWFERRY DRIVE NORTHWOOD
Received 26 Aug 2021 - Withdrawn (P)7077/APP/2017/1763
First floor side/rear extension (Resubmission)
13 STAR ROAD HILLINGDON
Received 12 May 2017 - Approval45936/APP/2019/3458
Installation of railings to boundary
WARBURTON COURT VICTORIA ROAD RUISLIP
Received 21 Oct 2019 - Approval76229/APP/2021/2428
Single storey side/rear extension
146 SWAKELEYS ROAD ICKENHAM UB10 8BA
Received 17 Jun 2021 - Approval75547/APP/2020/1305
Single storey side/rear extension
20 CONWAY DRIVE HAYES UB3 1QD
Received 24 Apr 2020 - Approval70356/APP/2022/2654
Change of use from a 6 unit small HMO (Use Class C4) to a 7 unit HMO (Sui Generis) for up to 7 people with amendments to the existing rear extension
176 MAPLE ROAD HAYES
Received 24 Aug 2022 - Approval54960/APP/2026/320
Erection of an outbuilding in the rear garden following the removal of the temporary storage shed. (Application for a Certificate of Lawful Development for a Proposed Development)
24 BISHOPS ROAD HAYES MIDDLESSEX
Received 6 Feb 2026 - Approval38790/APP/2017/4073
Conversion of garage to habitable use to include alterations to front and side elevations
12 MEAD WAY RUISLIP
Received 9 Nov 2017
Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.
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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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