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 dates54,044Searchable applications
483Recorded as pending
75%Approval rate · 51,052 approved or refused records
12,511Refused applications
38,541 approved · 12,511 refused · 1,679 withdrawn. Received dates in our records: 11 Oct 2007 to 15 Oct 2026. Most recent record check: 26 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 Counts reflect the last collected status; some records may be out of date.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
- Approval35700/APP/2014/1220
Change of use from Use Class C4 (HMO) to Sui Generis to increase occupancy in HMO from 6 to 8 persons
22 BROADWATER GARDENS HAREFIELD
Received 8 Apr 2014 - Approval31258/APP/2025/1766
Erection of single storey rear extension, extending existing rear decking, installation of steps to rear garden, extension to existing storeroom under existing decking (with low-ceiling height) and internal alterations.
31 MERLE AVENUE HAREFIELD
Received 17 Mar 2025 - Approval25018/APP/2021/1722
Conversion of roof space to habitable use to include a rear dormer with juliette balcony, 3 front roof lights and conversion of roof from hip to gable end (Application for a Certificate of Lawful Development for a Proposed Development)
159 COLLINGWOOD ROAD HILLINGDON
Received 29 Apr 2021 - Approval36910/APP/2022/2453
Erection of a porch under existing canopy roof.
2 LINKSWAY NORTHWOOD
Received 2 Aug 2022 - Withdrawn (P)41249/APP/2015/3547
Conversion of roof space to habitable use to include a rear dormer, 2 front rooflights and conversion of roof from hip to gable end
2 STANFORD CLOSE RUISLIP
Received 23 Sept 2015 - Approval31969/APP/2024/1000
Erection of a single storey side extension.
8 ST LUKE CLOSE COWLEY UXBRIDGE
Received 17 Apr 2024 - Approval16393/APP/2017/431
Installation of pitched roof over existing flat roof and creation of habitable roofspace to include a rear dormer and 1 front rooflight.
1A GLEDWOOD CRESCENT HAYES
Received 7 Feb 2017 - Approval11242/APP/2014/2637
Non-material amendment to planning permission ref: 11242/APP/2012/3116 dated 08/03/13 (expansion of school to include stand alone classroom block and extended nursery, staff room, reception, library and classrooms with associated car parking and landscaping) to make changes to the external finishes of the nursery extension.
PINKWELL PRIMARY SCHOOL PINKWELL LANE HAYES
Received 14 Jul 2014 - Approval73955/APP/2024/3316
Non-Material Amendment application to planning permission reference 73955/APP/2022/2613, dated 20-03-2023 to alter the external doors serving the substation, housed within Block F.
CROWN TRADING CENTRE CLAYTON ROAD HAYES HILLINGDON UB3 1DU
Received 19 Dec 2024 - Prior Approval N/Req63609/APP/2016/2837
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 2.5 metres, and for which the height of the eaves would be 2.5 metres
5 ASHLEY CLOSE PINNER HA5 3UF
Received 22 Jul 2016 - Refusal8887/APP/2015/162
Two storey 6-bed detached dwelling with habitable roofspace, associated parking and amenity space involving demolition of existing detached dwelling
3 BLOSSOM WAY HILLINGDON
Received 16 Jan 2015 - Approval2895/APP/2018/288
2 STOREY SIDE AND PART REAR EXTENSIONS
52 HURSTFIELD CRESCENT HAYES
Received 24 Jan 2018 - Approval76647/TRE/2021/209
To carry out tree surgery including cutting back branches to give 2.4m clearance from buildings to five Sycamore trees within Group 6 on TPO 548
1 Arlington House 1 PARK LODGE AVENUE WEST DRAYTON UB7 9FD
Received 1 Aug 2021 - Approval30779/APP/2014/228
Details pursuant to condition 11 (SUDS) of planning permission Ref: 30779/APP/2013/539 dated 13/03/2013 (Two storey, 6-bedroom detached dwelling with basement level with associated parking and amenity space and installation of vehicular crossover to front, involving demolition of existing dwelling)
OAKHURST, 1 NORTHGATE NORTHWOOD
Received 23 Jan 2014 - Approval26362/APP/2025/2112
Non-material amendment to planning permission ref. 26362/APP/2025/692, dated 14-05-2025 (Demolition of the existing rear extension and erection of a single-storey rear and side extension with four rooflights. Conversion of roof space to habitable use, including a hip to gable conversion to both sides, removal of chimney, construction of a rear dormer and installation of three rooflights to the front roof slope and one rooflight to the rear roof slope) to adjust location of roof lights
14 SUNNYDENE AVENUE RUISLIP
Received 6 Aug 2025 - Refusal60723/APP/2021/44
Single storey rear extension (Application for a Certificate of Lawful Development for a Proposed Development)
5 THE DRIVE NORTHWOOD
Received 6 Jan 2021 - Refusal23996/APP/2021/1391
Construction of a front canopy
65 SEAFORD CLOSE RUISLIP
Received 7 Apr 2021 - Refusal73666/APP/2018/1005
Creation of first floor, porch to front and alterations to elevations
56 LIME GROVE RUISLIP HA4 8RY
Received 15 Mar 2018 - Refusal74777/APP/2021/229
Installation of vehicular crossover to front
22A STRATFORD ROAD HAYES MIDDLESEX UB4 9EN
Received 18 Jan 2021 - Approval76811/APP/2022/2223
Erection of a single storey rear outbuilding for use as a a home gym/home office following demolition of existing garage structure.
58 BLACKLANDS DRIVE HAYES UB4 8EX
Received 11 Jul 2022 - Approval72500/APP/2017/1324
Two storey rear extension with the addition of one dormer to the rear, single storey side extension and alterations to the roof on the front elevation in the form of two front dormers
33 KINGSEND RUISLIP HA4 7DD
Received 11 Apr 2017 - Refusal56688/APP/2016/2053
Conversion of detached outbuilding to granny annexe studio
85 FALLING LANE YIEWSLEY MIDDLESEX UB7 8AB
Received 31 May 2016 - Approval9894/TRE/2017/31
To carry out tree surgery, including a crown reduction by cutting back to 25-50 mm beyond previous pruning points, to one Oak (T3) on TPO 507
32 KINGSEND RUISLIP
Received 16 Feb 2017 - Prior Approval N/Req36731/APP/2025/58
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 3.00 metres, and for which the height of the eaves would be 3.00 metres
72 WALTHAM AVENUE HAYES
Received 10 Jan 2025
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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