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 dates36,562Searchable applications
499Recorded as pending
77%Approval rate · 34,257 approved or refused records
7,904Refused applications
26,353 approved · 7,904 refused · 1,233 withdrawn. Received dates in our records: 1 Oct 2008 to 9 Oct 2026. Most recent record check: 20 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 Counts reflect the last collected status; some records may be out of date.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
- Refusal20352/APP/2020/2281
Part two storey, part single storey rear extension and part two storey, part single storey side extension
123 CENTRAL AVENUE HAYES
Received 22 Jul 2020 - Prior Approval N/Req28630/APP/2020/500
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 3.8 metres, and for which the height of the eaves would be 3 metres
88 COLLINGWOOD ROAD HILLINGDON
Received 13 Feb 2020 - Approval34895/APP/2026/1018
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 new gable end window (Application for a Certificate of Lawful Development for a Proposed Development)
15 WESTACOTT HAYES
Received 23 Apr 2026 - Approval74309/APP/2023/2081
Erection of single storey extensions to rear of two adjoining dwellings.
102 AND 104 MARVELL AVENUE HAYES
Received 13 Jul 2023 - Approval13010/APP/2020/1006
Change of use from offices (Use Class B1a) to residential (Use Class C3) to accommodate 19 residential units (Application for Prior Approval under Schedule 2, Part 3, Class O of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended))
FRAYS COURT, 71-73 COWLEY ROAD UXBRIDGE UB8 2AE
Received 26 Mar 2020 - Approval15655/APP/2022/3158
Erection of single storey extension to the side, following demolition.
58 MARVELL AVENUE HAYES
Received 17 Oct 2022 - Refusal (Appealed)60621/APP/2019/4127
Part two storey, part single storey side/rear extension
63 CORONATION ROAD HAYES MIDDLESEX
Received 23 Dec 2019 - Approval4868/APP/2023/3513
Details pursuant to the discharge of Conditions 3 (Cycle Storage) and 4 (Parking Design and Management Plan) of planning permission ref. 4868/APP/2023/2520, dated 27/10/2023 (Change of use from office space to five residential flats (Class C3) (Application to determine if prior approval is required pursuant to Schedule 2, Part 3, Class MA of the Town and Country Planning (General Permitted Development)(England) Order 2015 (as amended).)
575-583 BATH ROAD LONGFORD
Received 4 Dec 2023 - Refusal47854/TRE/2020/86
Fell one Scots Pine within G82 on TPO 7.
6 PORTMAN GARDENS HILLINGDON
Received 5 May 2020 - Refusal (Appealed)58245/APP/2021/4066
Demolition of existing garage and erection of outbuilding including a decking area to rear garden (Application for a Certificate of Lawful Development for an Existing Development)
31 ST EDMUNDS AVENUE RUISLIP
Received 3 Nov 2021 - Refusal70543/APP/2017/4234
Details pursuant to Conditions 9 (Sustainable Water Management) and 10 (Levels) of planning permission Ref. 70543/APP/2017/1650 dated 06/10/2017 (Redevelopment of site to provide 4 no. detached single family dwellings with associated car parking, access and landscaping)
10 JACKETS LANE NORTHWOOD HA6 2SH
Received 23 Nov 2017 - Refusal (Appealed)8961/ADV/2019/37
Installation of digital advertising display
1070-1076 UXBRIDGE ROAD HAYES
Received 24 Jun 2019 - Approval57533/APP/2023/3146
Creation of an extra bedroom to a 6 unit HMO (Class C4) to create 7 bedrooms (Sui Generis).
140 FAIRHOLME CRESCENT HAYES
Received 31 Oct 2023 - Approval3353/APP/2021/1519
Details pursuant to conditions 3 (Materials), 4 (Method Statement), 5 (Landscape) and 9 (Construction Logistics Plan) of planning permission Ref: 3353/APP/2020/2239 dated 30/09/2020 (Erection of a detached two storey 5 bed dwelling with associated parking and amenity space including demolition of existing dwelling)
31 NICHOLAS WAY NORTHWOOD
Received 16 Apr 2021 - Refusal (Appealed)51563/APP/2019/1370
Single storey outbuilding to rear for use as a gym/games room (Application for a Certificate of Lawful Development for a Proposed Development)
12 JONSON CLOSE HAYES
Received 23 Apr 2019 - Approval79683/APP/2025/2406
Conversion of roof space to habitable use to include rear dormer loft extension including hip to gable, rear dormer and installation of roof lights to front elevation. (Application for a Certificate of Lawful Development for a Proposed Development)
527 UXBRIDGE ROAD HAYES UB4 8HN
Received 15 Sept 2025 - Approval78689/APP/2024/846
Extension to existing outbuilding in rear garden
40 VINE LANE HILLINGDON UB10 0BA
Received 2 Apr 2024 - Approval64828/APP/2021/1568
Two storey side extension and part two storey, part single storey rear extension
247 LANSBURY DRIVE HAYES MIDDX UB4 8RT
Received 20 Apr 2021 - Approval7067/APP/2022/3176
Single storey side/rear extension and part single; part two-storey rear extension (following demolition of rear shed).
85 SNOWDEN AVENUE HILLINGDON
Received 18 Oct 2022 - Refusal69127/APP/2021/495
Single storey rear extension including demolition of existing conservatory, addition of a rear dormer and change of garage roof from flat to pitch
61 PARK LANE HAREFIELD MIDDLESEX UB9 6BL
Received 8 Feb 2021 - Approval17239/APP/2020/2333
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 gable end window (Application for a Certificate of Lawful Development for a Proposed Development)
38 EVERSLEY CRESCENT RUISLIP
Received 27 Jul 2020 - Approval78540/APP/2026/1637
Variation of Condition 2 (Approved plans), Condition 9 (Windows and Doors) and Condition 10 (outbuildings) of planning permission ref. 78540/APP/2024/229, dated 17-05-2024 (Demolition of existing dwelling and garage. Erection of a 4-bedroom 8 x persons dwelling.) to install additional fenestration and associated internal alterations enabling the approved roof space to function as habitable
22 PARK ROAD HAYES UB4 8JN
Received 30 Jun 2026 - Approval48595/TRE/2018/206
To carry out tree surgery, including a crown reduction by 2m, to one Hawthorn, T3 on TPO 532A.
D.S.A. PINNER DRIVING TEST CENTRE, 221 TOLCARNE DRIVE PINNER
Received 5 Nov 2018 - Approval74847/APP/2019/1722
Conversion of two storey dwelling into 2 x 1-bed flats with associated parking and amenity space, involving alterations to existing crossover
28 OAKDENE ROAD HILLINGDON UB10 OSF
Received 22 May 2019
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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