Planning applications in Hillingdon

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44 last 30 days
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2 last 14 days
Extensions & alterations
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Showing 50 of 245 applications
25444/APP/2026/1268 26 May 2026 Pending

33 COLLEGE DRIVE RUISLIP

Erection of single storey side extension, following the demolition of the existing side attached garage

Hillingdon 26 May 2026
80093/APP/2026/1291 25 May 2026 Pending

70 DELLFIELD CRESCENT UXBRIDGE UB8 2EU

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...

Hillingdon 25 May 2026
77687/APP/2026/1286 22 May 2026 Pending

3 FRANCIS ROAD EASTCOTE HA5 2ST

Erection of single storey rear extension (Application for a Certificate of Lawful Development for a Proposed Development)

Hillingdon 22 May 2026
31851/APP/2026/1265 21 May 2026 Pending

5A LINKSWAY NORTHWOOD

Erection of walls and railing to front, with sliding gates.

Hillingdon 21 May 2026
16620/APP/2026/1261 21 May 2026 Pending

19 HUDSON ROAD HARLINGTON

Erection of single storey rear extension

Hillingdon 21 May 2026
19574/APP/2026/1273 21 May 2026 Pending

6 BOURN AVENUE UXBRIDGE

Erection of replacement conservatory.

Hillingdon 21 May 2026
31286/APP/2026/1279 21 May 2026 Pending

17 WARLEY ROAD HAYES

Erection of part single part two storey side and rear extensions, a front porch, and amendments to fenestrations including new front rooflights and ne...

Hillingdon 21 May 2026
39013/APP/2026/1277 21 May 2026 Pending

1 ELEANOR GROVE ICKENHAM

Erection of a boundary fence along the plot boundary

Hillingdon 21 May 2026
53735/APP/2026/1264 21 May 2026 Pending

67 SOUTHBOURNE GARDENS RUISLIP

Conversion of roof space to habitable use to include hip to gable extension, rear dormer, 2x front roof lights, gable end window (Application for a ce...

Hillingdon 21 May 2026
60376/APP/2026/1270 21 May 2026 Pending

37 TORRINGTON ROAD RUISLIP

Conversion of roof space to habitable use to include a hip to gable extension, rear dormer, 3x front roof lights (Application for a Certificate of Law...

Hillingdon 21 May 2026
75953/APP/2026/1284 21 May 2026 Pending

23 TOLLGATE DRIVE HAYES MIDDLESEX UB4 0NP

Conversion of roof space to habitable use including a rear dormer and 2no. front facing rooflights.

Hillingdon 21 May 2026
168/APP/2026/1281 21 May 2026 Pending

72 HOYLAKE CRESCENT ICKENHAM

Erection of a front porch.

Hillingdon 21 May 2026
168/APP/2026/1282 21 May 2026 Pending

72 HOYLAKE CRESCENT ICKENHAM

Erection of a first floor rear extension.

Hillingdon 21 May 2026
80086/APP/2026/1251 20 May 2026 Pending

27 FARMLANDS EASTCOTE HA5 2LW

Erection of a two storey side extension.

Hillingdon 20 May 2026
5857/APP/2026/1258 20 May 2026 Pending

90 CORNWALL ROAD RUISLIP

Conversion of roof space to habitable use to include a rear dormer and 3x front roof lights (Application for a Certificate of Lawful Development for a...

Hillingdon 20 May 2026
76906/APP/2026/1254 20 May 2026 Pending

184 HERLWYN AVENUE RUISLIP HA4 6HJ

Erection of a single storey rear extension.

Hillingdon 20 May 2026
80085/APP/2026/1246 20 May 2026 Pending

9 LAWRENCE DRIVE ICKENHAM UB10 8RN

Conversion of roof space to habitable use to include a rear dormer, 2 front roof lights and conversion of roof from hip to gable end (Application for ...

Hillingdon 20 May 2026
80089/APP/2026/1256 20 May 2026 Pending

54 CORONATION ROAD HAYES UB3 4JT

Erection of single storey rear extension, and a single-storey outbuilding with a pitched roof to the rear garden, all following the demolition of an e...

Hillingdon 20 May 2026
16744/APP/2026/1248 19 May 2026 Pending

16 SOUTHPARK WAY RUISLIP

Conversion of roof space to habitable use to include a rear dormer, 2 front roof lights and conversion of roof from hip to gable end with new gable en...

Hillingdon 19 May 2026
35528/APP/2026/1236 18 May 2026 Pending

20 WESTHOLME GARDENS RUISLIP

Erection of a part single part two storey side and rear wraparound extension, a single storey front porch extension, conversion of roof space to habit...

Hillingdon 18 May 2026
47973/APP/2026/1235 18 May 2026 Pending

76 SOUTHBOURNE GARDENS RUISLIP

Conversion of roof space to habitable use to include a rear dormer and roof lights (Application for a Certificate of Lawful Development for a Proposed...

Hillingdon 18 May 2026
75196/APP/2026/1228 18 May 2026 Pending

The ORTHODONTIC PRACTICE 24 PINNER ROAD NORTHWOOD HA6 1QP

Erection of a single storey extension to the side/front, erection of a front porch

Hillingdon 18 May 2026
79730/APP/2026/1240 18 May 2026 Pending

71 CHESTER ROAD NORTHWOOD HA6 1BG

Erection of a first floor rear extension to the rear

Hillingdon 18 May 2026
80074/APP/2026/1225 18 May 2026 Pending

9 GERRARD GARDENS EASTCOTE HA5 2PT

Erection of a single storey side and rear extension.

Hillingdon 18 May 2026
40221/APP/2026/1227 18 May 2026 Pending

6 RAEBURN ROAD HAYES

Conversion of roof space to habitable use to include a rear dormer, roof lights, conversion of roof space form hip to gable end with new gable end win...

Hillingdon 18 May 2026
70807/APP/2026/1223 18 May 2026 Pending

50 DAWLEY ROAD HAYES UB3 1NB

Conversion of roof space to habitable use to include a rear dormer, 2 front rooflights and conversion of roof from hip to gable end with a new gable e...

Hillingdon 18 May 2026
80081/APP/2026/1231 18 May 2026 Pending

29 BIRCHWAY HAYES UB3 3PA

Conversion of roof space to habitable use to include a rear dormer, 2 front roof lights and conversion of roof from hip to gable end with new gable en...

Hillingdon 18 May 2026
52944/APP/2026/1212 15 May 2026 Pending

8 ABBOTT'S CLOSE COWLEY UXBRIDGE

Conversion of roofspace to habitable use to include rear dormer, 3x front rooflights, juliette balcony, amendments to fenestrations, and the erection ...

Hillingdon 15 May 2026
31518/APP/2026/1214 15 May 2026 Pending

3 ELGAR CLOSE ICKENHAM

Erection of single storey side extension (Application for a Certificate of Lawful Development for a Proposed Development)

Hillingdon 15 May 2026
76347/APP/2026/1201 14 May 2026 Pending

89 WARWICK CRESCENT HAYES MIDDLESEX UB4 8RQ

Conversion of roof space to habitable use to include rear dormer, and 2x front roof lights (Application for a Certificate of Lawful Development for a ...

Hillingdon 14 May 2026
52944/APP/2026/1176 13 May 2026 Undecided

8 ABBOTT'S CLOSE COWLEY UXBRIDGE

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...

Hillingdon 13 May 2026
80071/APP/2026/1181 13 May 2026 Pending

30 LOTHIAN AVENUE HAYES UB4 0EG

Erection of single storey extension to rear including demolition of existing lean-to extension and insertion of two new ground floor windows on the si...

Hillingdon 13 May 2026
58347/APP/2026/1170 12 May 2026 Pending

20 CENTRAL AVENUE HAYES MIDDLESEX UB3 2BX

Erection of a first floor side and rear extension.

Hillingdon 12 May 2026
10448/APP/2026/1153 11 May 2026 Pending

73 MANSFIELD DRIVE HAYES

Erection of part single part two storey rear extension and front porch, following demolition of existing conservatory and detached garage.

Hillingdon 11 May 2026
10448/APP/2026/1157 11 May 2026 Pending

73 MANSFIELD DRIVE HAYES

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 new gable en...

Hillingdon 11 May 2026
18204/APP/2026/1167 11 May 2026 Pending

140 LYNHURST CRESCENT HILLINGDON

Conversion of roof space to habitable use to include a rear dormer and 1no. front roof light. (Application for a Certificate of Lawful Development for...

Hillingdon 11 May 2026
22196/APP/2026/1152 11 May 2026 Pending

35 IVY HOUSE ROAD ICKENHAM

Erection of a single storey side and rear extension following demolition of existing conservatory, conversion of rood space to habitable use including...

Hillingdon 11 May 2026
26287/APP/2026/1159 11 May 2026 Pending

100 GROSVENOR AVENUE HAYES

Erection of a single storey rear extension.

Hillingdon 11 May 2026
50903/APP/2026/1169 11 May 2026 Pending

138 LONG LANE HILLINGDON

Conversion of roof space to habitable use to include a rear dormer with Juliet balcony, 3no. front rooflights, and removal of chimney stack. (Applicat...

Hillingdon 11 May 2026
16219/APP/2026/1166 11 May 2026 Pending

100 CORONATION ROAD HAYES

Erection of a single storey rear extension.

Hillingdon 11 May 2026
50903/APP/2026/1164 11 May 2026 Pending

138 LONG LANE HILLINGDON

Erection of a single storey rear extension.

Hillingdon 11 May 2026
637/APP/2026/1163 11 May 2026 Pending

154 EASTCOTE ROAD RUISLIP

Erection of a single storey rear extension, extensions to existing roof to create a first floor level including raising of the ridge height of the pro...

Hillingdon 11 May 2026
80064/APP/2026/1154 11 May 2026 Pending

710A FIELD END ROAD EASTCOTE HA4 0QP

Conversion of roof space to habitable use to include a rear dormer and 3 front roof lights.

Hillingdon 11 May 2026
72555/APP/2026/1142 8 May 2026 Pending

94 NORTHWOOD ROAD HAREFIELD UB9 6PS

Erection of a single storey extension to the rear

Hillingdon 8 May 2026
22574/APP/2026/1134 7 May 2026 Pending

26 RYDAL WAY RUISLIP

Conversion of roof space to habitable use to include a hip to gable extension, rear dormer, rooflights and removal of chimney. Conversion of garage to...

Hillingdon 7 May 2026
22574/APP/2026/1133 7 May 2026 Pending

26 RYDAL WAY RUISLIP

Erection of a single storey rear extension.

Hillingdon 7 May 2026
31692/APP/2026/1139 7 May 2026 Pending

28 CARDINAL ROAD RUISLIP

Erection of single storey rear extension, following demolishing of existing rear extension

Hillingdon 7 May 2026
80060/APP/2026/1138 7 May 2026 Pending

62 BOTWELL LANE HAYES UB3 2AE

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...

Hillingdon 7 May 2026
11554/APP/2026/1131 7 May 2026 Pending

9 ROSEARY CLOSE WEST DRAYTON

Erection of a single storey extension to the side, erection of front porch, conversion of roof space to habitable use to include a rear dormer and fro...

Hillingdon 7 May 2026
3923/APP/2026/1135 7 May 2026 Pending

16 PEAR TREE AVENUE YIEWSLEY

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...

Hillingdon 7 May 2026
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Heads up: Hillingdon hasn't published a new application since 27 May 2026 — 11 days ago. We've been checking daily and will surface new applications as soon as they appear on the council's portal.