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 dates47,912Searchable applications
484Recorded as pending
76%Approval rate · 45,140 approved or refused records
10,657Refused applications
34,483 approved · 10,657 refused · 1,523 withdrawn. Received dates in our records: 11 Oct 2007 to 15 Oct 2026. Most recent record check: 24 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 Counts reflect the last collected status; some records may be out of date.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
- Approval12768/APP/2016/2880
Details of works to listed wall, in compliance with conditions 5 and 6 of listed building consent ref: 12768/APP/2014/4071 dated 8-2-16 ( Alterations to the garden wall including: existing bricked up opening to be re-opened; formation of two new openings to match existing opening; formation of new inner wall; and formation of a rooflight)
FORMER WEST DRAYTON POLICE STATION STATION ROAD WEST DRAYTON
Received 25 Jul 2016 - Withdrawn (P)15429/APP/2020/1159
Single storey front/side/rear extension
388 FIELD END ROAD RUISLIP
Received 8 Apr 2020 - Approval52761/APP/2018/627
Single storey detached outbuilding to rear for use as gym/study (Application for a Certificate of Lawful Development for a Proposed Development)
16 FIR TREE AVENUE WEST DRAYTON
Received 19 Feb 2018 - Withdrawn (P)39297/APP/2018/2588
Single storey side infill extension (Application for a Certificate of Lawful Development for a Proposed Development)
91 ELM AVENUE EASTCOTE
Received 16 Jul 2018 - Approval50442/APP/2016/338
Conversion of integral garage to habitable use and installation of front dormer at first floor level involving alterations to front/side/rear elevations
47 ELGOOD AVENUE NORTHWOOD
Received 27 Jan 2016 - Approval60966/APP/2021/1996
Conversion of roof space to habitable use to include, raising of ridge height, 4 rear roof lights and enlargement of side window
ORACABESSA NORTHGATE NORTHWOOD
Received 17 May 2021 - Approval72750/APP/2017/2768
Enlargement of roofspace to create a rear gable end
5 WESTBURY CLOSE RUISLIP HA4 8EF
Received 28 Jul 2017 - Approval29517/APP/2019/1658
Conversion of roof space 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)
26 BARNHILL LANE HAYES
Received 17 May 2019 - Approval50524/APP/2018/4345
Variation of Condition 2 (Approved Plans) of planning permission Ref: 50524/APP/2017/4410 dated 12-02-18 (Erection of two additional storeys at roof level to existing building to provide 2 x 1-bed and 7 x 2-bed self contained flats and associated works) to amend the proposed window and door design of the approved plans, increase the height of the proposed building by 0.6 metres and change the materials of the top floor.
PRINCESS HOUSE NOBEL DRIVE HARLINGTON UB3 5EY
Received 13 Dec 2018 - Approval61926/APP/2016/1342
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)
85 NORTH VIEW EASTCOTE MIDDLESEX HA5 1PX
Received 6 Apr 2016 - Approval33995/APP/2016/3713
Conversion of single family dwellinghouse (Class C3) into a 7 bedroom House in Multiple Occupation (Sui Generis)
2 CASTLE AVENUE YIEWSLEY
Received 6 Oct 2016 - Approval57241/APP/2024/2285
Conversion of roof space to habitable use to include a rear dormer and 3 front roof lights and conversion of roof from hip to gable end. (Application for a Certificate of Lawful Development for a Proposed Development)
65 RALEIGH AVENUE HAYES MIDDLESEX UB4 OEF
Received 22 Aug 2024 - Approval72987/APP/2017/2303
Conversion of roof space to habitable use to include a rear dormer, 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)
125 WINDSOR AVENUE HILLINGDON UB10 9AZ
Received 26 Jun 2017 - Refusal (Appealed)2699/APP/2021/2808
Demolition of an existing outbuilding and erection of a 2 storey office outbuilding, including 2 parking spaces.
103 HILLINGDON HILL HILLINGDON
Received 17 Jul 2021 - Approval41500/APP/2024/1996
Erection of a single storey side and rear wrap-around extension.
16 NEWNHAM AVENUE RUISLIP
Received 24 Jul 2024 - Approval11707/APP/2022/321
Single storey rear extension; first floor rear extension; rear dormer roof extension including conversion into habitable space; and replacement garage front door with window including conversion into habitable space
41 THE GROVE ICKENHAM
Received 3 Feb 2022 - Refusal (Appealed)71253/APP/2020/1624
Single storey rear extension, first floor rear extension, porch to front and installation of render
17 SUSSEX ROAD ICKENHAM UB10 8PN
Received 27 May 2020 - Refusal40777/ADV/2024/44
Installation of 1no. internally illuminated digital advertisement board.
58 High Street Armstrong House UXBRIDGE
Received 2 Oct 2024 - Approval12336/APP/2017/2542
Single storey rear extension
14 CRANFORD PARK ROAD HAYES
Received 12 Jul 2017 - Refusal2847/APP/2025/1728
Erection of a two- storey rear extension to provide a self-contained flat at ground and first floor level, following part demolition of existing extension (amended description)
192 COWLEY ROAD UXBRIDGE
Received 23 Jun 2025 - Approval53679/APP/2024/2068
Erection of a two storey side and single storey rear extension, with amendments to fenestration including new rooflights.
32 WATFORD ROAD NORTHWOOD
Received 1 Aug 2024 - Prior Approval N/Req46264/APP/2020/3690
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
12 COLBROOK AVENUE HAYES
Received 10 Nov 2020 - Refusal57152/APP/2015/3371
Single storey rear extension (Application for a Certificate of Lawful Development for a Proposed Development)
116 COPSE WOOD WAY NORTHWOOD
Received 7 Sept 2015 - Approval55595/APP/2015/1008
Conversion of roof space to habitable use to include a rear dormer and 2 front rooflights
35 BURWOOD AVENUE EASTCOTE
Received 18 Mar 2015
Records are ordered by application ID, not submission date. Use search to find a particular address or proposal.
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Set up an area alertResearching 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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