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21,771 approved · 6,036 refused · 1,076 withdrawn.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 Counts reflect the last collected status; some records may be out of date.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
- Approval53908/APP/2022/75
Conversion of roof space to habitable use to include a rear dormer, 3 x front roof lights and conversion of roof from hip to gable end (Application for a Certificate of Lawful Development for a Proposed Development)
72 GROSVENOR AVENUE HAYES
Received 12 Jan 2022 - Approval43762/APP/2023/573
Non-Material Amendment (NMA) of planning permission ref. 43762/APP/2018/396, dated 12-10-2018: Demolition of vacant Maple and Poplar Day Centre and construction of 34 no. 2-Bed / 4-Person Flats in 2 no. 3-storey new builds, to amend description to: 'Demolition of vacant Maple and Poplar Day Centre and construction of 34 residential units'.
MAPLE AND POPLAR DAY CENTRE MAPLE ROAD HAYES UB4 9NQ
Received 28 Feb 2023 - Approval69685/APP/2024/2467
Erection of a single storey rear extension (Prior Approval 69685/APP/2024/2052 already granted for 4m deep addition) (Application for a Certificate of Lawful Development for a Proposed Development)
32 DARTMOUTH ROAD RUISLIP MIDDLESEX HA4 0DB
Received 12 Sept 2024 - Prior Approval N/Req65189/APP/2020/2338
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 3.5 metres, and for which the height of the eaves would be 2.3 metres
21 HAZEL AVENUE WEST DRAYTON MIDDX UB7 9EN
Received 28 Jul 2020 - Approval73679/APP/2021/187
Installation of vehicular crossover to front (Application for a Certificate of Lawful Development for a Proposed Development)
120 NEW PEACHEY LANE COWLEY
Received 17 Jan 2021 - Approval13071/APP/2025/2591
Variation of Condition 3 (Materials) of planning permission ref. 13071/APP/2025/854, dated 29-05-2025 (Erection of a single storey rear extension following demolition of existing conservatory, and conversion of existing garage into storage and home office) The amendment involves changes to the facing materials which would be built using blockwork, then rendered and painted.
30 ELMBRIDGE DRIVE RUISLIP
Received 7 Oct 2025 - Approval29448/APP/2024/2719
Details pursuant to the discharge of Condition 6 (Energy Efficiency Report) of planning permission ref. 29448/APP/2022/126, dated 14-03-2022 (Part two-storey, part single-storey rear and side extension; part single-storey, part two-storey and part three-storey front and side extension incorporating a front porch; alterations to existing elevations; the installation of an external staircase to the side; the installation of a glass canopy to the existing roof; the installation of a wheelchair ramp to the front; and conversion to provide a place of worship at ground and part first floor levels, a two-bedroom self-contained unit at first floor level and a three-bedroom self -contained unit at second floor level.)
123 UXBRIDGE ROAD HILLINGDON
Received 11 Oct 2024 - Approval27636/APP/2021/4201
Joint application for the enlargement of roofspace between the two dwellings to create additional bedrooms, re positioning of existing staircases and associated works
97 & 99 DICKENS AVENUE HILLINGDON
Received 13 Nov 2021 - Approval50523/APP/2023/2208
Demolition of existing conservatory. Erection of a single storey rear extension.
ORCHARDLEIGH HIGH ROAD EASTCOTE
Received 25 Jul 2023 - Refusal29975/APP/2024/2883
Erection of a single storey extension to the rear following the demolition of existing conservatory
10 SANDY LODGE WAY NORTHWOOD
Received 30 Oct 2024 - Approval4457/ADV/2019/30
Installation of an internally illuminated pylon sign
ESSO NORTHWOOD EXPRESS JOEL STREET EASTCOTE HA5 2PA
Received 13 Jun 2019 - Approval75077/APP/2019/3005
Conversion of roofspace to habitable use to include a rear dormer, 2 front rooflights and conversion of roof from hip to gable end and with new gable end window (Application for a Certificate of Lawful Development for a Proposed Development)
18 GOSHAWK GARDENS HAYES MIDDLESEX UB4 8LA
Received 10 Sept 2019 - Approval6039/APP/2021/3465
Removal of derelict scout hut and storage unit to facilitate the erection of a replacement single storey scout hut building.
2nd/9th Ruislip Scout Group 18 ST CATHERINES ROAD RUISLIP HA4 7RU
Received 13 Sept 2021 - Approval4058/APP/2019/3286
Erection of a temporary single storey prefabricated system building, together with a link to the AMU building, with a total floor area of 888 sq.m, to provide for a 28 bed space decant and winter overspill ward, including 4 parking spaces; demolition of Building 17 and the creation of 30 replacement staff car parking spaces; reconfiguration of the parking area to the east of the Womens' Services Building resulting in a net provision of 11 replacement visitor parking spaces (amended scheme).
HILLINGDON HOSPITAL PIELD HEATH ROAD HILLINGDON UB8 3NN
Received 8 Oct 2019 - Approval45692/APP/2024/1695
Erection of a single storey extension to the rear, erection of a single storey extension to the side, following the demolition of existing garage
17 SOUTH DRIVE RUISLIP
Received 27 Jun 2024 - Approval27928/APP/2025/576
Erection of a part single-storey, part two-storey front, side, and rear extension following demolition of existing attached garage.
57 DULVERTON ROAD RUISLIP
Received 3 Mar 2025 - Approval5769/APP/2024/1923
Conversion of roof space to habitable use to include a rear dormer, 3 front roof lights and conversion of roof from hip to barn gable end (Application for a Certificate of Lawful Development for a Proposed Development)
23 RUSHDENE ROAD EASTCOTE PINNER
Received 16 Jul 2024 - Approval25767/APP/2026/1434
Variation of Condition 2 (approved plan) of planning permission ref. 25767/APP/2024/2484, dated 07-04-25 (Demolition of existing dwelling and erection of building to provide 3 x 1-bed, 5 x 2-bed, 1 x 3 bed flats with associated parking and amenity space.) to install 2no. Juliette balcony
72 HAREFIELD ROAD UXBRIDGE
Received 9 Jun 2026 - Prior Approval N/Req20498/APP/2019/2526
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 2.85 metres, and for which the height of the eaves would be 2.85 metres
26 CANFIELD DRIVE RUISLIP
Received 6 Aug 2019 - Approval12211/APP/2020/3220
Two x 2-storey, 3-bed dwellings with habitable roof space, parking and amenity space and installation of vehicular crossover involving demolition of existing dwelling
23 VICTORIA AVENUE HILLINGDON
Received 7 Oct 2020 - Approval53756/APP/2026/555
Erection of a single storey side and rear extension.
VINE COTTAGE HILLS LANE NORTHWOOD
Received 4 Mar 2026 - Split Decision (P)2393/TRE/2023/147
To carry out tree surgery - to crown reduce by 3m one Blue Atlas Cedar in A3 within TPO 7. To crown reduce by 4-5m one Oak in A5 within TPO 7. To crown reduce by 4-5m one Blue Atlas Cedar at T91 within TPO 7. To crown reduce by 4-5m one Oak at T92 within TPO 7. To crown reduce by 5m one Holm Oak at T119 within TPO 7.
HILLINGDON COURT 108 VINE LANE HILLINGDON UB10 0BE
Received 7 Jul 2023 - Refusal5670/APP/2023/635
Erection of double storey rear and side extensions, conversion of roof space to habitable use to include rear dormer and 1 front roof light and erection of a front porch
6 HAMILTON ROAD COWLEY UXBRIDGE
Received 3 Mar 2023 - Refusal26925/APP/2020/3625
Conversion of dwelling to 1 x 3 bed and 1 x 1 bed self contained flats with associated bin and bicycle store and amenity space
381 HARLINGTON ROAD HILLINGDON
Received 4 Nov 2020
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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