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 dates25,496Searchable applications
442Recorded as pending
79%Approval rate · 23,725 approved or refused records
4,874Refused applications
18,851 approved · 4,874 refused · 978 withdrawn. Received dates in our records: 20 Jan 2020 to 5 Oct 2026. Most recent record check: 14 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 Counts reflect the last collected status; some records may be out of date.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
- Approval14904/APP/2026/390
Retention of the part single, part double storey side extensions, single storey rear extension and canopy structure, installation of rooflights, amendments to fenestrations, roof alterations and air conditioning unit (Retrospective application) (amended description)
143 LONG LANE HILLINGDON
Received 16 Feb 2026 - Approval78121/TRE/2023/133
To fell one Ash T20, Limb reduce by 3m to 2 Ash trees T21 & T22. To crown reduce by 2m property side one Ash T17 and one Copper Beech T1. All within TPO 305.
30 ANTHUS MEWS NORTHWOOD HA6 2GX
Received 26 Jun 2023 - Approval53150/APP/2024/1590
Conversion of roof space to habitable use to include a rear dormer, 3 front roof lights and conversion of double roof from hip to gable ends and erection of single storey side extension, following demolition of side garage (Application for a Certificate of Lawful Development for a Proposed Development)
14 HIGHFIELD CRESCENT NORTHWOOD
Received 17 Jun 2024 - Approval52916/APP/2023/3049
Conversion of roof space to habitable use to include a rear dormer with 2 front roof lights and conversion of roof from hip to gable with 1 new gable end window (Application for a Certificate of Lawful Development for a Proposed Development)
74 HARLYN DRIVE EASTCOTE
Received 19 Oct 2023 - Non Determination (Appealed)75510/APP/2022/914
Conversion of roof space to habitable use to form 1 no. two-bed flat, including a rear and side dormer with 2 front roof lights and conversion of roof from hip to gable end with new gable end window and raising the roof height including raising the height of the rear staircase enclosure
89-91 RYEFIELD PARADE JOEL STREET NORTHWOOD HA6 1LW
Received 18 Mar 2022 - Approval62067/APP/2023/622
Erection of a single storey side and rear extension and conversion of garage into habitable use with amendments to fenestration (revised description and plans)
10 TANWORTH CLOSE NORTHWOOD HA6 2GF
Received 2 Mar 2023 - Refusal (Appealed)78228/ADV/2023/39
Installation of 1 externally illuminated vinyl banner.
Stockley Road at Heathrow Interchange STOCKLEY ROAD WEST DRAYTON UB7 9HJ
Received 17 Aug 2023 - Refusal (Appealed)60130/APP/2021/2463
Proposed demolition of existing dwelling and erection of a residential building comprising 6 no. flats with associated bins and cycle provision, including removal of drop kerb and alterations.
59 ELM AVENUE EASTCOTE
Received 20 Jun 2021 - Approval49825/APP/2021/3182
Conversion of roof space to habitable use to include a rear dormer, and 1 front roof light (Application for a Certificate of Lawful Development for a Proposed Development).
41 ELM AVENUE EASTCOTE
Received 18 Aug 2021 - Approval40399/APP/2021/3831
Conversion of roofspace to habitable use to include a dormer extending to the sides and rear and 2 x obscured glazed side facing windows (Application for a Certificate of Lawful Development for a Proposed Development).
43 COLLEGE DRIVE RUISLIP
Received 13 Oct 2021 - Approval30844/APP/2020/1492
Change of use from a house in multiple occupation for not more than six residents living together as a single household (Use Class C3b) to a house in multiple occupation for up to 7 persons living together as a single household and receiving care
13 WOOD END GREEN ROAD HAYES
Received 12 May 2020 - Refusal16428/APP/2021/2388
Single storey side and rear extension
53 FERRERS AVENUE WEST DRAYTON
Received 14 Jun 2021 - Approval62664/APP/2023/898
Conversion of roof space to habitable use to include a rear dormer with 3 front facing roof lights and 1 rear facing roof light.
68 RAISINS HILL EASTCOTE MIDDX
Received 27 Mar 2023 - Approval75447/APP/2020/780
Single storey rear extension
13 CHURCH AVENUE RUISLIP HA4 7HX
Received 4 Mar 2020 - Approval12462/APP/2026/1763
Erection of a part single storey, part two storey side, single storey rear extension with patio element, conversion of roof space to habitable use to include a rear dormer with Juliette balcony, 3no. front roof lights and change of roof form from hipped to gable end, following demolition of existing porch, car port and rear extension.
30 HIGHLAND ROAD NORTHWOOD
Received 15 Jul 2026 - Approval77562/APP/2023/908
Demolition of the existing bungalow and the erection of two semi-detached houses
78 BRIDLE ROAD EASTCOTE HA5 2SH
Received 27 Mar 2023 - Approval40132/APP/2023/1568
Erection of a single storey rear extension
1 SUTHERLAND AVENUE HAYES
Received 30 May 2023 - Refusal76133/APP/2021/4507
Erection of a double storey side and part single storey rear extension.
3 BELMONT CLOSE UXBRIDGE UB8 1RF
Received 13 Dec 2021 - No Further Action(P)27329/APP/2021/2018
Replacement of existing windows and back door (Application for Listed Building Consent)
HAYDON LODGE SOUTHILL LANE EASTCOTE PINNER
Received 19 May 2021 - Refusal50293/APP/2023/1950
Erection of single storey side and rear extensions, side dormer roof extension, rear dormer roof extension, installation of clear glazed openable windows to side dormer roof extension, alterations to fenestration and roof materials (Part Retrospective).
59 RESERVOIR ROAD RUISLIP
Received 4 Jul 2023 - Approval3317/APP/2024/2048
Change of use of from Office/Storage (Class E) and internal alterations to provide 1 x studio, 1 x 1 bed and 1 x 2 bed residential units (Class C3) (revised description 14.08.24)
63 HIGH STREET RUISLIP HA4 8JB
Received 30 Jul 2024 - Refusal71437/APP/2021/2510
Erection of a detached house with associated parking and bin stores at land rear of 15 Ash Grove
15 ASH GROVE HAYES UB3 1JR
Received 23 Jun 2021 - Withdrawn (P)43794/APP/2020/1524
Details pursuant to Conditions 20 (Accessibility), 23 (Swept Path Analysis), 26 (Coach and Cycle Space), 29 (Ramped Access to Basement) of planning ref: 43794/APP/2018/2779 for the erection of a 6-storey 157-bedroom hotel including plant room on the roof, the excavation of a basement to provide car parking and associated landscaping.
AXIS HOUSE 242 BATH ROAD SIPSON
Received 15 May 2020 - Refusal29045/APP/2025/933
Conversion of existing dwelling into 2 dwellings with single storey rear extension and conversion of roof space to habitable use including 2 no. rear dormers, 4 no roof lights and associated parking, bin store and amenity space.
70 WEST DRAYTON ROAD HILLINGDON
Received 31 Mar 2025
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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