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 dates24,018Searchable applications
447Recorded as pending
80%Approval rate · 22,312 approved or refused records
4,485Refused applications
17,827 approved · 4,485 refused · 932 withdrawn. Received dates in our records: 28 May 2020 to 5 Oct 2026. Most recent record check: 13 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 Counts reflect the last collected status; some records may be out of date.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
- Approval46581/APP/2022/454
Erection of a front porch and alteration to ground floor bay window
36 FRAYS AVENUE WEST DRAYTON
Received 15 Feb 2022 - Approval70827/APP/2022/707
Conversion of roof space to habitable use to include a rear dormer roof extension with 2 front roof lights and removal of chimney stack (Application for a Certificate of Lawful Development for a Proposed Development)
101 EXMOUTH ROAD RUISLIP MIDDLESEX HA4 OUH
Received 28 Feb 2022 - Approval76306/APP/2021/1218
Replacement of 2 black frame sliding patio doors to the rear of the property with 1 black frame aluminium sliding patio doors and 1 fixed black frame aluminium window. Replacement of 1 black frame sliding patio doors to the front of the property with 1 fixed black frame aluminium window
5 DAIRY FARM LANE HAREFIELD
Received 26 Mar 2021 - Approval17614/APP/2021/3124
Single storey rear extension.
LA CHENAIE KEWFERRY DRIVE NORTHWOOD
Received 13 Aug 2021 - Approval17979/APP/2025/2788
Details pursuant to the discharge of Condition 17 (Ecology) of planning permission ref: 17979/APP/2025/1314, dated 02-10-2025 (Demolition of 16 studio bungalows and the erection of 21 affordable family-sized houses with associated facilities).
Land Northwest of Haydon Drive and South of Chamberlain Lane HAYDON DRIVE EASTCOTE HA5 2PW
Received 3 Nov 2025 - Approval21995/APP/2025/833
Erection of a single storey rear extension following demolition of existing structure
107 WISE LANE WEST DRAYTON
Received 24 Mar 2025 - Approval9423/APP/2025/120
Installation of external plant and internal alterations.
BOOTS THE CHEMIST,163 HIGH STREET UXBRIDGE
Received 17 Jan 2025 - Approval4348/APP/2022/3615
Erection of a single storey rear extension.
704 FIELD END ROAD RUISLIP
Received 28 Nov 2022 - Approval40278/APP/2024/90
Erection of a single storey extension to the rear, following the demolition of existing outbuilding.
64 HARTLAND DRIVE RUISLIP
Received 15 Jan 2024 - Prior Approval N/Req47089/APP/2025/2694
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 3.40 metres, and for which the height of the eaves would be 3.00 metres.
7 HEATHFIELD RISE RUISLIP HA4 7NF
Received 20 Oct 2025 - Approval18997/TRE/2025/194
TPO 157 T29 1x Oak to reduce overhanging laterals 2-3m approx back to fence line.
ACORN MEDICAL CENTRE, 149 & FLAT 149A LONG LANE HILLINGDON
Received 28 Jul 2025 - Withdrawn (P)637/APP/2025/2603
Erection of a single storey extension to the rear, erection of additional storey to include raising the roof ridge, conversion of integral garage to habitable accommodation, erection of front porch, erection of outbuilding, amendments to fenestration, following the demolition of existing dormers
154 EASTCOTE ROAD RUISLIP
Received 8 Oct 2025 - Approval43020/APP/2021/3491
Single storey rear extension (following demolition of existing rear conservatory) and patio/hardstanding.
17 COPSE WOOD WAY NORTHWOOD
Received 14 Sept 2021 - Refusal (Appealed)38621/APP/2025/2825
Change of use from Class C3 (Dwellinghouse) to Class C4 (Small Scale HMO), along with the erection of a single storey rear extension (Application for a Certificate of Lawful Development for a Proposed Development)
13 NORWICH ROAD NORTHWOOD
Received 7 Nov 2025 - Approval11448/APP/2021/3484
Details pursuant to condition 6(i)(a)(b)(c) (Contamination) of planning permission 11448/APP/2018/2541 dated 24 June 2019 (Two storey building for use as Class B1 (Business) (Outline Application with all matters reserved).)
R/O 17-21 THE CLOSE EASTCOTE PINNER
Received 14 Sept 2021 - Approval78519/APP/2024/157
Erection of outbuilding to rear garden (Application for a Certificate of Lawful Development for a Proposed Development)
19 GLAMIS CRESCENT HAYES UB3 1QA
Received 22 Jan 2024 - Prior Approval N/Req7286/APP/2025/2850
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 3.40 metres, and for which the height of the eaves would be 3.00 metres
41 BARRA HALL ROAD HAYES
Received 11 Nov 2025 - Approval21437/APP/2026/1393
Erection of single storey rear extension
97 PARK LANE HAYES
Received 4 Jun 2026 - Approval76408/APP/2021/1777
Part two storey, part single storey rear extension, single storey side extension and single storey front extension including demolition of existing garage and rear extension
68 WINDSOR AVENUE HILLINGDON UB10 9AX
Received 4 May 2021 - Approval78204/APP/2023/2344
Erection of a single storey rear extension to existing detached garage with new patio, ramp, boundary treatment and landscaped area following partial demolition of store and wc (revised description)
48 HALLOWELL ROAD NORTHWOOD HA6 1DS
Received 7 Aug 2023 - Refusal76416/APP/2024/795
Erection of outbuilding to rear garden, a porch and conversion of roof space to habitable use to include a rear dormer, 5 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)
54 BRACKENBRIDGE DRIVE RUISLIP HA4 0LZ
Received 26 Mar 2024 - Undecided1131/APP/2026/1774
Details pursuant to the discharge of Condition 11 (Sustainable Water Management) of planning permission ref. 1131/APP/2025/2465, dated 11-11-2025 (Variation of Conditions 2 (Approved Plans), 3 (Materials), 6 (Tree Protection), 8 (Landscaping) and 9 (Step Free Access) and removal of Conditions 4 (Obscure Glazing) and 5 (Access to Flat Roof) of appeal decision ref. APP/R5510/W/24/3341154 (Hillingdon Council ref. 1131/APP/2023/3251) dated 21-02-2025 (Erection of 4 dwellings following the demolition of the existing equestrian storage buildings on land adjacent to Chandigrah) to amend the roof forms from flat to pitched, amend the choice of materials, and to provide additional parking provision.)
CHANDIGRAH SUMMERHOUSE LANE HAREFIELD
Received 16 Jul 2026 - Approval9382/APP/2021/2286
Part conversion of garage to habitable room for use as a utility room
3A COURT ROAD ICKENHAM
Received 7 Jun 2021 - Approval50858/APP/2021/2402
Single storey rear extension
27 ADDISON WAY NORTHWOOD
Received 16 Jun 2021
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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