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 dates29,819Searchable applications
509Recorded as pending
78%Approval rate · 27,807 approved or refused records
6,036Refused applications
21,771 approved · 6,036 refused · 1,076 withdrawn. Received dates in our records: 11 Jun 2012 to 9 Oct 2026. Most recent record check: 17 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 Counts reflect the last collected status; some records may be out of date.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
- Approval40050/APP/2026/1527
Details pursuant to the partial discharge of Condition 13 (part i (b) only - Contamination) of prior approval reference 40050/APP/2025/1875, dated 10-10-2025, for 'Change of use from Commercial (Use Class E) to Residential (Use Class C3) to create 56 dwellings (Application for Prior Approval under Schedule 2, Part 3, Class MA of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended)).
WATERSIDE OXFORD ROAD UXBRIDGE UB8 1HS
Received 18 Jun 2026 - Refusal68603/APP/2024/1817
Replacement outbuilding following demolition of existing outbuilding.
77 IVER LANE COWLEY UB8 2JE
Received 7 Jul 2024 - Approval53972/APP/2020/947
First floor side/rear extension
29 PRIORY AVENUE HAREFIELD
Received 18 Mar 2020 - Approval10808/APP/2023/3447
Details pursuant to the discharge of Condition 9 (Landscaping) of planning permission ref. 10808/APP/2022/631 dated 13-06-22 (Erection of two storey side extension and two storey rear extension involving demolition of existing garage and installation of new AC units)
2 GATEHILL ROAD NORTHWOOD
Received 29 Nov 2023 - Approval6457/APP/2021/41
Single storey rear extension.
48 CHESTER ROAD NORTHWOOD
Received 5 Jan 2021 - Withdrawn (P)79229/APP/2024/3320
Erection of a single storey extension to the rear, erection of a single storey extension to the side/rear
26a-28a HIGH STREET NORTHWOOD HA6 1BN
Received 19 Dec 2024 - Approval31316/APP/2020/1414
Single storey outbuilding to rear for use as a playroom (Application for a Certificate of Lawful Development for a Proposed Development)
8 BISHOPS CLOSE HILLINGDON
Received 4 May 2020 - Approval16753/APP/2021/367
Front infill porch, new pitched roof over the existing garage and a new pitched roof over existing rear extension
50 MANOR LANE HARLINGTON
Received 28 Jan 2021 - Approval12957/APP/2020/871
Conversion of roof space to habitable use to include a rear dormer, 4 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)
176 WHITBY ROAD RUISLIP
Received 10 Mar 2020 - Non Determination (Appealed)74738/APP/2019/1181
Erection of 5 two storey, 3-bed, attached dwellings with associated parking and amenity space, involving demolition of existing detached house
13A NORTH COMMON ROAD UXBRIDGE UB8 1PD
Received 5 Apr 2019 - Approval52404/APP/2021/1056
Single storey rear extension at lower ground level with external light well
25 CHENEY STREET EASTCOTE
Received 17 Mar 2021 - Approval22131/APP/2023/1951
Erection of a single storey extension to side and rear. Erection of a side porch and conversion of roof space to habitable use to include a rear dormer with 1 front and 5 side roof lights with new gable end window. Amendments to fenestration.
85 HERCIES ROAD HILLINGDON
Received 4 Jul 2023 - Refusal74297/APP/2019/4073
Details pursuant to conditions 3 (Materials) and 4 (Landscape Scheme) of planning permission Ref: 4297/APP/2018/3896 dated 14/05/2019 (Two storey, 3-bed detached dwelling with associated parking and amenity space involving demolition of the existing detached outbuilding to the rear)
LAND ADJOINING 23 PRINTING HOUSE LANE HAYES UB3 1AP
Received 18 Dec 2019 - Approval50761/APP/2023/3242
Details pursuant to the discharge of Conditions 3 (Sample Brickwork), 4 (Recording of walls and detailing), 5 (Brick methodology), 6 (Mortar), 7 (Historic Building Investigation WSI - Listed Orchard Walls) and 8 (Historic Building Investigation WSI - Listed Arcaded Walls) of Listed Building Consent ref: 50761/APP/2020/3773, dated 16 April 2021 (Repair and restoration works to garden walls, formation of natural pond, new detached outbuilding involving demolition of existing outbuilding, single storey extension to dwelling house and resurfacing of existing driveway and hard standing with new entrance gates)
CHURCH GARDENS CHURCH HILL HAREFIELD
Received 8 Nov 2023 - Approval51175/APP/2023/1785
Details pursuant to the discharge of Condition 32 (part i only) (Circular Economy) of planning consent reference 51175/APP/2020/2543 dated 25-01-2022 (Demolition of existing buildings and redevelopment to provide a building up to 11 storeys comprising residential accommodation, associated landscaping, access, car parking and cycle parking).
STANFORD HOUSE, 9 NESTLES AVENUE HAYES
Received 20 Jun 2023 - Approval2686/APP/2026/1446
Erection of single storey rear extension, following the demolition of the existing rear extension and conservatory
49 HIGH STREET NORTHWOOD
Received 10 Jun 2026 - Refusal57174/APP/2023/2739
Continued use of unit for residential use to the rear of retail unit.(Application for a Certificate of Lawful Development for an Existing Use)
980 UXBRIDGE ROAD HAYES MIDDLESEX
Received 18 Sept 2023 - Approval48534/APP/2020/1354
Conversion of upper floors from offices (Use Class B1) to provide 2 x 1-bed maisonettes and 2 x 1-bed flats (Use Class C3) (Listed Building Consent)
42a WINDSOR STREET UXBRIDGE UB8 1AB
Received 28 Apr 2020 - Approval4046/APP/2024/1127
Conversion of roof space to habitable use to include a rear dormer, 3 front roof lights and conversion of roof from hip to gable end with 2 new gable end windows (Application for a Certificate of Lawful Development for a Proposed Development)
91 ROYAL LANE HILLINGDON
Received 29 Apr 2024 - Refusal (Appealed)7946/APP/2024/98
Erection of a front porch, single storey rear and a double storey side extension. Conversion of roof space to habitable use to include a hip to gable end extension, rear dormer and front roof lights (amended description)
34 LEYBOURNE ROAD HILLINGDON
Received 15 Jan 2024 - Withdrawn (P)34668/APP/2019/3455
Conversion of roof space to habitable use to include a rear dormer, 4 roof lights and conversion from hip to gable end to include a gable end Juliet balcony (Application for a Certificate of Lawful Development for a Proposed Development)
9 FRAZER AVENUE RUISLIP
Received 21 Oct 2019 - Withdrawn (P)22332/APP/2025/1305
Demolition of existing rear single storey extension and erection of 4m single storey rear extension, front porch extension and hip-to-gable loft conversion with 3no. roof lights.
39 WOODFORD CRESCENT PINNER
Received 8 May 2025 - Approval19654/APP/2023/3349
Alterations to existing habitable roof including changes to roof ridge height and installation of 2no. front and 2no. side dormers
229 PARK ROAD UXBRIDGE
Received 21 Nov 2023 - Approval74730/APP/2019/1145
Single storey rear extension
111 BEDFORD AVENUE HAYES UB4 0DU
Received 3 Apr 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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