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 dates24,826Searchable applications
442Recorded as pending
80%Approval rate · 23,081 approved or refused records
4,680Refused applications
18,401 approved · 4,680 refused · 961 withdrawn. Received dates in our records: 9 Mar 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 Counts reflect the last collected status; some records may be out of date.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
- Approval2102/APP/2021/2582
Deed of Variation to Section 106 Schedule 1 (Affordable Housing) associated with planning permission ref: 2102/APP/2018/4231, dated 04-10-19 (Redevelopment of the site to provide three buildings ranging from 2 to 10 storeys in height delivering 331 residential units and 710 sq.m of ground floor commercial floorspace (Use Classes A1, A2, A3, B1, D1 or D2), including the provision of private and communal amenity areas, child play space, car parking, secure cycle parking, refuse storage areas and other associated development (AMENDED MAY 2019)) to vary the mortgage exclusion clause.
CHAILEY INDUSTRIAL ESTATE PUMP LANE HAYES UB3 3ND
Received 28 Jun 2021 - Approval49440/APP/2020/3504
Single storey rear extension and replacement of porch roof/canopy to front involving demolition of existing rear conservatory extension
32 HIGHFIELD DRIVE ICKENHAM
Received 28 Oct 2020 - Approval25045/APP/2025/84
Erection of a single storey extension to the rear, partial demolition and conversion of integral garage to habitable accommodation, erection of front porch, conversion of roof space to habitable use to include a rear dormer with 2 front roof lights, conversion of roof from hip to gable end with new gable end window
45 BOLDMERE ROAD EASTCOTE
Received 14 Jan 2025 - Refusal3125/APP/2021/168
Single storey rear extension, alterations to elevations to include an extract flue and change of use from retail (Use Class E) to shisha lounge (Sui Generis)
132 UXBRIDGE ROAD HAYES UB4 0JH
Received 13 Jan 2021 - Approval19538/APP/2021/1585
Single storey rear extension
32 HALL DRIVE HAREFIELD
Received 21 Apr 2021 - Approval43989/TRE/2026/174
TPO 802 A2 1x Eucalptus Tree to reduce crown by 30% back to previous points situated in rear garden next to patio. 1x Magnolia reduce by up to 20% and 1x Willow Tree to reduce crown height to 6ft approx and spread to 10ft approx both situated in the rear garden next to river.
51 FRAYS AVENUE WEST DRAYTON
Received 22 Jul 2026 - Approval47928/APP/2020/2154
Single storey side extension
308 LONG LANE HILLINGDON
Received 13 Jul 2020 - Prior Approval N/Req27170/APP/2020/1225
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 3.2 metres, and for which the height of the eaves would be 3 metres
162 WALTHAM AVENUE HAYES UB3 1TE
Received 16 Apr 2020 - Approval26239/APP/2023/1425
Erection of a 5-bedroom dwelling house following the demolition of the existing dwelling
WHITE RIDGES, 29 KEWFERRY DRIVE NORTHWOOD
Received 16 May 2023 - Refusal (Appealed)3601/APP/2022/2242
Demolition of existing garage. Erection of a single storey front, side and rear extension
1 DALE CLOSE PINNER
Received 13 Jul 2022 - Approval3886/APP/2021/2331
Non-material amendment to planning permission Ref: 3886/APP/2020/3751 dated 03/06/2021 (Demolition of existing buildings and use of site as bus depot with new office/welfare building, bus wash and fueling facilities with access from Dawley Road) in order to amend the wording of Condition 20
THE COTTAGE IN THE WALL DAWLEY ROAD HAYES
Received 10 Jun 2021 - Approval79361/APP/2025/727
Conversion of roof space to habitable use to include a rear dormer, 3x front roof lights, conversion of roof from hip to gable end, and removal of 1x chimney stack (Application for a Certificate of Lawful Development for a Proposed Development)
42 BRACKENBRIDGE DRIVE RUISLIP HA4 0LZ
Received 20 Mar 2025 - Approval17968/APP/2022/1123
Erection of a second storey side extension and single storey rear extension
65 CROMWELL ROAD HAYES
Received 4 Apr 2022 - Approval79845/APP/2025/3259
Erection of single storey rear extension, dropped kerb to front and on site front parking bay
17 RATCLIFFE CLOSE UXBRIDGE UB8 2DE
Received 29 Dec 2025 - Refusal8503/APP/2020/3485
Single storey rear extension
82 ASHFORD AVENUE HAYES
Received 29 Oct 2020 - Withdrawn (P)61226/APP/2021/3859
Rear extension at first floor and roof level to form a mansard roof with the internal reconfiguration at first and loft level to create one additional two-bedroom flat
34B HIGH STREET NORTHWOOD
Received 15 Oct 2021 - Refusal50922/APP/2022/3926
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 3.65 metres, and for which the height of the eaves would be 2.69 metres
2 MIDDLETON DRIVE PINNER
Received 29 Dec 2022 - Approval31962/APP/2022/2909
Erection of a single storey rear extension
11 RUSSELL CLOSE RUISLIP
Received 21 Sept 2022 - Refusal (Appealed)61876/APP/2021/1262
Proposed single storey rear extension to existing restaurant (Use Class A3/E(b)), demolition of existing rear outbuilding, alteration to rear flower store/workshop (Use Class E(g)(iii)) and proposed additional first floor to rear for residential use (Use Class C3)
16 HIGH STREET NORTHWOOD
Received 29 Mar 2021 - Refusal19119/APP/2023/641
Conversion of roof space to habitable use to include a rear dormer, 1 front roof light and the conversion from hip to gable end. Erection of two storey side and front extensions and fenestration changes to rear and side elevations
12 BRIDLE ROAD EASTCOTE
Received 6 Mar 2023 - Approval74197/APP/2026/340
Erection of a first floor rear extension.
55 CREST GARDENS RUISLIP MIDDLESEX HA4 9HB
Received 10 Feb 2026 - Approval56865/APP/2021/974
Details pursuant to Condition 5 (Landscaping) of planning permission Ref: 56865/APP/2020/459 (Erection of 4 x 2 bedroom two bedroom and 1 x 3 bedroom houses with associated car parking, landscaping and external works)
LAND ADJACENT TO 1 ST HELEN CLOSE COWLEY
Received 12 Mar 2021 - Approval44012/APP/2022/3512
Conversion of roof space to habitable use to include a rear dormer roof extension with 3 x front facing roof lights and the removal of chimney stack (Application for a Certificate of Lawful Development for a Proposed Development)
13 PENZANCE CLOSE HAREFIELD
Received 17 Nov 2022 - Approval75981/APP/2023/3161
Erection of a first floor rear extension.
MARLBOROUGH COTTAGE LARKSWOOD RISE EASTCOTE MIDDLESEX HA5 2HH
Received 1 Nov 2023
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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