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Hillingdon planning applications
7,059 applications. 89% approved. 57 days to decide.
As of September 2026, PlanIndex holds 7,059 planning applications from Hillingdon. 2,353 were decided in the trailing 12 months, with 89% of clear-cut outcomes approved.
Hillingdon takes a median of 57 days to decide a planning application, ranking 97 of 148 UK councils. See how that compares.
All applications
Newest first · page 1 of 142
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23407/TRE/2026/220 Awaiting decision
THE SPINNEY VINE GROVE HILLINGDON
TPO 7 T221 1x Oak to crown reduce 30% and prune back the ends of the branches no more than 4m.
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33520/TRE/2026/219 Awaiting decision
76 TURNPIKE LANE UXBRIDGE
TPO 351 T1 1x Sycamore to cut back all lateral overhanging branches back to boundary by removing approx 3m.
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78175/APP/2026/2194 Awaiting decision
10 HALSWAY HAYES UB3 3JS
Erection of single storey rear extension
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14714/TRE/2026/217 Awaiting decision
532 BATH ROAD LONGFORD
TPO 116 T1 1x Ash to crown reduce by up to 2.5m.
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60559/APP/2026/2192 Awaiting decision
12 HALSWAY HAYES MIDDLESEX UB3 3JS
Erection of a single storey rear extension
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15650/TRE/2026/216 Awaiting decision
36 POTTER STREET NORTHWOOD
TPO 183 T5 1x Oak - Carry out height and crown reduction of 20% aprox 2m hight reduction resulting in 8-9m above ground level.
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46380/APP/2026/2181 Awaiting decision
1 WENTWORTH DRIVE EASTCOTE
Erection of a single storey rear extension following the demolition of existing conservatory
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9295/TRE/2026/214 Awaiting decision
19 LINKSWAY NORTHWOOD
TPO 392 A1 1x Silver Birch crown reduction 2m and thin crown by 20%.
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41817/TRE/2026/215 Awaiting decision
50 BROADWOOD AVENUE RUISLIP
TPO 277 T19 1x Oak to fell.
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21596/APP/2026/2178 Awaiting decision
6 CHAPTER CLOSE UXBRIDGE
Erection of a single storey side/rear extension following demolition of the existing detached garage
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19327/APP/2026/2172 Awaiting decision
SCOTCH LAKE FARM MOOR LANE HARMONDSWORTH UB7 0AS
Variation of Condition 2 (Approved Plans) of planning permission ref. 19327/APP/2025/2477, dated 08-04-26 (Erection of two light industrial units (Use Class E(g)(iii)) following the demolition of an existing building.) to [Footprint reduction]
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12817/APP/2026/2174 Awaiting decision
13 BLACKLANDS DRIVE HAYES
Erection of single storey rear extension
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71876/APP/2026/2169 Awaiting decision
34 BOURNE AVENUE HAYES MIDDLESEX UB3 1QL
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
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80255/APP/2026/2156 Awaiting decision
3 ERROL GARDENS HAYES UB4 9EP
Erection of a single storey extension to the rear
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6626/APP/2026/2162 Awaiting decision
THE TICHENHAM INN, 11 SWAKELEYS ROAD ICKENHAM UB10 8DF
Change of use of rear first floor from sui generis to provide new residential dwellings, alongside associated works. Retention of ground floor use with minor internal alterations.
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12886/APP/2026/2165 Awaiting decision
205 HAREFIELD ROAD UXBRIDGE
Erection of a part single part two storey wrap around extension to the side and rear, erection of front porch, roof alteration and associated external alterations, following the demolition of garage and conservatory.
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65242/APP/2026/2163 Awaiting decision
1 WELWYN WAY HAYES MIDDX UB4 8DX
Erection of a single storey extension
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50108/APP/2026/2166 Awaiting decision
27 BRAMPTON ROAD UXBRIDGE
Conversion of roof space to habitable use to include a rear dormer, front roof light, conversion of roof from jip to gable end with new gable end window (Application for a Certificate of Lawful Development for a Proposed Development)
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38297/APP/2026/2155 Awaiting decision
13 CHERRY GROVE UXBRIDGE
Single Storey Rear, Side, Front & Two Storey Part Side & Part Rear Extension
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66655/TRE/2026/213 Awaiting decision
YIEWSLEY HEALTH CENTRE HIGH STREET YIEWSLEY
TPO 557 1x Horse Chestnut - Raise low canopy to 4 metres.
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78264/APP/2026/2153 Awaiting decision
76 CROMWELL ROAD HAYES UB3 2PS
To extend the existing building with an additional storey in the form of a mansard roof with a new parapet wall in place of the existing flat roof. Minor amendments to the parking layout and minor internal alterations to accommodate.
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71806/APP/2026/2152 Awaiting decision
32 TOWNFIELD ROAD HAYES
Erection of a two-storey side extension
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54703/APP/2026/2150 Awaiting decision
12 SHAKESPEARE AVENUE HAYES MIDDLESEX UB4 0BJ
Erection of outbuilding (Application for a Certificate of Lawful Development for a Proposed Development).
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60901/APP/2026/2157 Awaiting decision
THE WATERTOWER FIELD, DUCKS HILL FARM DUCKS HILL ROAD NORTHWOOD HA6 2SW
Erection of a 5,000 sq ft (approximately 464.5 m²) agricultural building to support the existing mixed livestock and poultry enterprise (General Permitted Development) (England) Order 2015 (as amended) - Schedule 2, Part 6.
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80251/APP/2026/2149 Awaiting decision
34 EVERGREEN DRIVE WEST DRAYTON UB7 9GH
SINGLE STOREY REAR EXTENSION
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78364/APP/2026/2144 Awaiting decision
Conex House 148 FIELD END ROAD EASTCOTE PINNER HA5 1RJ
Details pursuant to the discharge of Conditions 5 (Arboricultural Impact Assessment), 6 (Management Plan) of planning permission ref. 78364/APP/2024/2722, dated 04-02-25 (Change of use from Use Class E to Use Class C3 (dwellinghouses) and the construction of a part three and part four-storey residential apartment with three two-bedroom units and four one-bedroom units, following the demolition of the existing building)
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21889/APP/2026/2147 Awaiting decision
563 UXBRIDGE ROAD HAYES
Confirmation of the existing use of the Property as four self-contained residential flats (Use Class C3) has continued for more than ten years (Certificate for an Existing use or operation)
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40119/APP/2026/2142 Awaiting decision
18 BISHOPS ROAD HAYES
Conversion of roof space to habitable use to include a rear dormer, front roof lights, conversion of roof from hip to gable end (Application for a Certificate of Lawful Development for a Proposed Development).
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7385/APP/2026/2145 Awaiting decision
9 HIGHFIELD ROAD NORTHWOOD
Erection of a single storey extension to the side/rear, erection of a porch
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39563/APP/2026/2146 Awaiting decision
42 MANNINGTREE ROAD RUISLIP
Erection of an outbuilding to the rear garden
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2249/APP/2026/2139 Awaiting decision
19 MILTON ROAD ICKENHAM
Erection of first floor side and rear extension, installation of new windows on the existing side elevations and provision of crown roof to existing ground floor extensions
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16992/APP/2026/2143 Awaiting decision
574 FIELD END ROAD RUISLIP
Erection of a single storey extension to the rear, conversion of roof space to habitable use to include a rear dormer, conversion of roof from hip to gable end
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69413/APP/2026/2133 Awaiting decision
118a VICTORIA ROAD RUISLIP HA4 0AL
Existing use of property as a Home in Multiple Occupation (HMO) (Class C4) (Application for a Certificate of Lawful Development for an Existing Use)
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39431/APP/2026/2128 Awaiting decision
10 SHOWERS WAY HAYES
Erection of a single storey rear extension.
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9474/APP/2026/2140 Awaiting decision
76 WEYMOUTH ROAD HAYES
Conversion of roof space to habitable use to include a rear dormer, roof lights and conversion of roof from hip to gable end (Application for a Certificate of Lawful Development for a Proposed Development).
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25992/APP/2026/2132 Awaiting decision
31 ABINGDON CLOSE HILLINGDON
Conversion of garage to habitable use including replacing the garage door with a window and installation of a side facing door.
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76795/APP/2026/2136 Awaiting decision
LAND AT YIEWSLEY LIBRARY & FORMER YIEWSLEY POOL FALLING LANE OTTERFIELD ROAD YIEWSLEY UB7 7BE
Details pursuant to the partial discharge of Condition 9 (Accessibility Pt. 5 - Play Equipment) for the Otterfield Road phase of planning permission reference 76795/APP/2023/2503 dated 02-09-2024 for 'Demolition of existing Yiewsley Library Building and the erection of a new residential building on the Yiewsley Library site (Falling Lane) and the erection of a new mixed use building on the former Yiewsley Swimming Pool site (Otterfield Road), with a replacement library at ground floor level, residential uses above and new pedestrian access off of the High Street.'
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44104/APP/2026/2134 Awaiting decision
UNIT 5 SWALLOWFIELD WAY HAYES
Details pursuant to the discharge of Condition 4 (Sustainable Water Management) of planning permission ref. 44104/APP/2026/1274, dated 31-07-26 (Alterations to service yard and car parking area to remove concrete ramps and create an enlarged Service Yard with associated external alterations to warehouse building, to include updated facades, new loading doors and associated works.)
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34802/APP/2026/2116 Awaiting decision
4 ST MARTINS ROAD WEST DRAYTON
Erection of part single part double storey side/rear extension, side extension to existing rear extension, and a front porch
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79287/APP/2026/2122 Awaiting decision
25 KINGS COLLEGE ROAD RUISLIP HA4 7JY
Erection of double storey outbuilding with a pitched roof, following the demolition of the existing outbuilding.
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62753/APP/2026/2121 Awaiting decision
24 MAPLE AVENUE YIEWSLEY
Existing use of the property as a HMO (Class C4) (Application for a certificate of lawful use for existing use).
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12052/APP/2026/2126 Awaiting decision
17 HILLCROFT CRESCENT RUISLIP
Erection of a single storey rear extension.
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12156/APP/2026/2119 Awaiting decision
PANORAMA APARTMENTS, 2 HAREFIELD ROAD UXBRIDGE UB8 1GW
Conversion of 6 storage rooms into 6 residential flats (5 studios and 1x1 bed)
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32794/APP/2026/2115 Awaiting decision
9 KEWFERRY DRIVE NORTHWOOD
Two storey rear extension, conversion of garage to habitable use, alterations to the roof, first floor rear balcony and alterations to fenestration
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27617/APP/2026/2114 Awaiting decision
17 THE DRIVE ICKENHAM
Erection of Front Porch, ground floor rear extension, part first floor side and rear extension, alteration of roof
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52841/APP/2026/2118 Awaiting decision
155 COLDHARBOUR LANE HAYES
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 2.80 metres
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7140/APP/2026/2106 Awaiting decision
87 BRIXHAM CRESCENT RUISLIP
Erection of a single storey side and rear extension.
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80247/APP/2026/2105 Awaiting decision
58 HAYES END DRIVE HAYES UB4 8HE
Erection of outbuilding
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79256/APP/2026/2101 Awaiting decision
37 EDGAR ROAD YIEWSLEY UB7 8HN
The property is in use as a Class C4 House in Multiple Occupation (HMO) comprising six individual lettable rooms occupied by unrelated residents who share communal kitchen and circulation facilities. The use was fully established and actively occupied prior to the Article 4 Direction coming into force on 11 December 2025, as evidenced by statutory declarations, tenancy agreements, operational invoices, management statements, bank records and written confirmation from the Council's Planning Enforcement Officer following site inspections on 9 July 2025 and 1 September 2025.
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7140/APP/2026/2103 Awaiting decision
87 BRIXHAM CRESCENT RUISLIP
Proposed loft conversion including hip to gable side of roof and rear dormer.
Recent decisions
Data to September 2026
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3622/APP/2026/2058 Awaiting decision
40 SHEPISTON LANE HAYES
Erection of front porch, conversion of roof space to habitable use to include a rear dormer, front roof lights, conversion of roof from hip to gable end (Application for a Certificate of Lawful Development for a Proposed Development)
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7140/APP/2026/2103 Awaiting decision
87 BRIXHAM CRESCENT RUISLIP
Proposed loft conversion including hip to gable side of roof and rear dormer.
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51153/APP/2026/1940 Awaiting decision
241 WHITBY ROAD RUISLIP
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 3.15 metres, and for which the height of the eaves would be 2.85 metres
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80210/APP/2026/1925 Granted
33 FLEMMING AVENUE RUISLIP HA4 9LE
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 3.30 metres, and for which the height of the eaves would be 3.00 metres.
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44843/APP/2026/1904 Awaiting decision
1 GREEN LANE UXBRIDGE
Extension of roof to include a rear dormer with Juliet balcony, hip to gable on the each side of the roof, 2 front roof lights, and amendments to existing front dormer window (Application for a Certificate of Lawful Development for a Proposed Development)
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78325/APP/2026/1804 Granted
1 COPSE CLOSE NORTHWOOD HA6 2XG
Details pursuant to the discharge of Condition 10 (Accessible Housing) of planning permission ref. 78325/APP/2023/2889, dated 19-01-2024 (Erection of a two storey detached dwelling with associated access, parking and amenity space following demolition of existing dwelling.)
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24149/APP/2026/1780 Withdrawn
19 ELERS ROAD HAYES
Erection of a single storey rear extension and front porch
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18399/APP/2026/1816 Granted
UNIT D Prologis Park STOCKLEY ROAD WEST DRAYTON UB7 9FN
Details pursuant to the partial discharge of Condition 6 part C (Tree Protection Measures) as attached to planning permission reference 18399/APP/2025/16 dated 01-09-2025 (An application submitted under Section 73 of the Town and Country Planning Act 1990 to vary Conditions 2 (Approved Drawings) and 3 (Compliance with supporting documentation) of planning permission reference 18399/APP/2022/411, dated 03-05-2023 (Installation of plant and equipment to unit DC6 including external plant equipment, external louvres and associated security fencing and landscaping, to facilitate use of the building as a data centre) to make changes to the design of the development.)
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1331/APP/2026/163 Granted
BLOCK C FORMER NESTLE FACTORY NESTLES AVENUE HAYES
Details pursuant to the partial discharge of Condition 3 (Sustainable water management - Block C only) as attached to planning permission ref. 1331/APP/2019/2314 dated 28-06-2021 (Development of 4 no. new buildings comprising residential units (in addition to those approved under planning permission ref: 1331/APP/2017/1883), a basement extension to Block B, flexible commercial uses (Class E) and associated landscaping, access, car parking and other engineering works).
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79068/APP/2026/1422 Granted
2 COLLEGE DRIVE RUISLIP HA4 8SB
Variation of Condition 2 (Approved Plans), 3 (Materials) of planning permission ref. 79068/APP/2024/2610, dated 10-02-25 (Erection of a single storey extension to the side, erection of a single storey extension to the rear, following the demolition of existing single storey side extension and garage. Installation of 4 front roof lights and amendments to fenestrations including removal of pebble dash and the installation of an Air Source Heat Pump.) to be amended in accordance with drawing numbers C01,C02,C03 & C04 with amendment of the rear element and Condition 3 to be amended so that the front extension elevation remains brick, with the side and rear elevations to be silicone render with stipple finish to match existing traditional render.
The full record
Decisions between 2017 and 2026
PlanIndex holds 6,111 decisions from Hillingdon between 2017 and 2026, part of 7,059 applications on record. Over that period 82% of clear-cut outcomes were approvals, 4,787 granted against 1,035 refused. The busiest single year was 2026, with 2,076 applications recorded.
The trailing-year figures above track current activity. This record reaches back further, so a decision here may predate the online portal; each application still has its own page with the source link.
From the archive
Earliest records shown in full
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72393/APP/2016/4320 Granted
12 GROSVENOR VALE RUISLIP HA4 6JQ
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 3.6 metres, and for which the height of the eaves would be 2.625 metres
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36048/TRE/2016/171 Granted
19-30 HUXLEY CLOSE COWLEY UB8 3PG
To carry out tree surgery, including the cutting back of lateral branches to provide up to 2m clearance to one Ash (in Area A1); and a tip reduction by up to 1m, to low, overhanging branches, to one Sycamore (in Area A2) on TPO 357
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58618/APP/2016/4190 Granted
50 LONGMEAD ROAD HAYES UB3 2HD
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 2.8 metres, and for which the height of the eaves would be 2.8 metres.
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72405/APP/2016/4365 Granted
33 HERITAGE CLOSE COWLEY UB8 2LA
Erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 3.4 metres, for which the maximum height would be 2.3 metres, and for which the height of the eaves would be 2.25 metres.
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72385/APP/2016/4274 Granted
3 MIDDLE WAY HAYES UB4 9LZ
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 3.47 metres, and for which the height of the eaves would be 2.8 metres.
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72384/APP/2016/4271 Granted
3 HAYMAN CRESCENT HAYES UB4 8PW
Single storey side extension (Application for a Certificate of Lawful Development for a Proposed Development)
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17385/APP/2016/4409 Granted
395 LANSBURY DRIVE HAYES UB4 8SA
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 2.91 metres, and for which the height of the eaves would be 2.81 metres.
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58618/APP/2016/4191 Refused
50 LONGMEAD ROAD HAYES UB3 2AD
Part two storey, part single storey rear extension and porch to front
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55554/APP/2016/4102 Granted
8 ARCHER TERRACE YEW AVENUE YIEWSLEY UB7 8PZ
Single storey rear extension (Retrospective)
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72407/APP/2016/4379 Refused
51 STANLEY ROAD NORTHWOOD HA6 1RH
Single storey rear extension
Decision speed
12 months to September 2026, where both dates are published
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Within 8 weeks the statutory target for most applications 1,147 49%
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8 to 13 weeks the target band for major development 862 37%
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Over 13 weeks often extended by agreement 344 15%
Planning agents in Hillingdon
The firms named as agent on the most applications on this register. Company information only.
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HTA Design LLP 96% granted overall 1
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Browse by ward
Applications by ward in Hillingdon
- BARNHILL 56
- BELMORE 2022 223
- BOTWELL 93
- BRUNEL 77
- CAVENDISH 75
- CHARVILLE 97
- CHARVILLE 2022 200
- COLHAM & COWLEY 216
- EASTCOTE & E RUISLIP 130
- EASTCOTE 2022 288
- H/ROW VILLAGES 2022 239
- HARE/D VILLAGES 2022 100
- HAREFIELD 52
- HAYES TOWN 2022 224
- HILLINGDON EAST 80
- HILLINGDON EAST 2022 229
- HILLINGDON WEST 2022 119
- ICK/HAM & S HF/D 22 320
- ICKENHAM 131
- MANOR 82
- NORTHWOOD 139
- NORTHWOOD 2022 242
- NORTHWOOD HILLS 96
- NORTHWOOD HILLS 2022 216
- PINKWELL 77
- PINKWELL 2022 254
- RUISLIP 2022 257
- RUISLIP MANOR 2022 142
- SOUTH RUISLIP 2022 250
- TOWNFIELD 88
- UXBRIDGE 2022 259
- UXBRIDGE NORTH 151
- UXBRIDGE SOUTH 65
- WEST DRAYTON 50
- WEST DRAYTON 2022 201
- WEST RUISLIP 68
- WOOD END 2022 229
- YEADING 54
- YEADING 2022 92
- YIEWSLEY 75
- YIEWSLEY 2022 130
Browse by postcode area
Applications by postcode district
Common questions
How many planning applications does Hillingdon decide?
In the 12 months to September 2026, Hillingdon decided 2353 planning applications. 89% of clear-cut outcomes were approvals.
How long does a planning decision take in Hillingdon?
The median time from a planning application being received to a decision was 57 days over the 12 months to September 2026. Individual cases vary with complexity and consultation responses.
How many Hillingdon decisions arrive within the eight week target?
Of the 2353 decisions in the 12 months to September 2026 where both dates are published, 49% came within eight weeks of the application being received, and 85% within thirteen weeks.
How many planning applications has Hillingdon decided in total?
PlanIndex holds 6111 decisions from Hillingdon between 2017 and 2026, out of 7,059 applications on record. Across that whole period 82% of clear-cut outcomes were approvals.
When is planning activity busiest in Hillingdon?
March 2026 was the busiest month across the 12 months to September 2026, with 336 applications recorded. The monthly pattern is listed on this page.
How do I find a planning application by its reference number?
Every application indexed here has its own page at a stable address. Look the reference up in a search engine together with the council name, or browse the latest applications below. Each page shows the description, address, dates and decision as the council published them.
Where can I see the full documents for an application?
Plans, drawings and officer reports stay on Hillingdon's own planning portal. Every application page here links straight to the source record.
Cite these figures
Click the text to select the whole citation.
Hillingdon: 7,059 planning applications on record as of September 2026. Trailing 12 months: 2,353 decided, 89% approved, median 57 days to a decision. 2,941 new applications received in the same period. Decisions on record run between 2017 and 2026: 6,111 in total, 82% approved. Source: PlanIndex, planindex.co.uk.