90 CORNWALL ROAD RUISLIP

Pending 5857/APP/2026/1258
Extensions & alterations
Council
Hillingdon 3.6/10
Date received
20 May 2026
Date validated
20 May 2026
Postcode
HA4 6AH

Description

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 Proposed Development)

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Nearby new applications

37 TORRINGTON ROAD RUISLIP

Conversion of roof space to habitable use to include a hip to gable extension, r...

60376/APP/2026/1270 - 21 May 2026

184 HERLWYN AVENUE RUISLIP HA4 6HJ

Erection of a single storey rear extension.

76906/APP/2026/1254 - 20 May 2026

16 KINGSWEAR ROAD RUISLIP

Erection of a single storey side and rear extension.

21026/APP/2026/1049 - 27 Apr 2026

14 PAIGNTON ROAD RUISLIP

Erection of a single storey side and rear extension.

14710/APP/2026/954 - 16 Apr 2026

80 TORRINGTON ROAD RUISLIP MIDDLESEX HA4 0AU

Erection of a first floor side extension, and conversion of roof space to habita...

73800/APP/2026/950 - 15 Apr 2026

149 HERLWYN AVENUE RUISLIP

Conversion of roof space to habitable use to include a rear dormer, conversion o...

19188/APP/2026/820 - 30 Mar 2026

Historical activity at this location

13 nearby applications on record - archival context, not part of the live application.

Within ~100m

Nearby activity

2025 Approved
95 CORNWALL ROAD RUISLIP HA4 6AH
Erection of a single storey rear extension, which would extend beyond the rear wall of th…
79653/APP/2025/2326
2019 Refused
147 CORNWALL ROAD RUISLIP HA4 6AH
Two storey side extension and conservatory to rear (Part Retrospective).
70839/APP/2019/3908
2021 Approved
87 CORNWALL ROAD RUISLIP HA4 6AH
Part retention and part demolition of the existing outbuilding, incidental to the main dw…
69878/APP/2021/3710
2021 Refused
87 CORNWALL ROAD RUISLIP HA4 6AH
Retention of outbuilding
69878/APP/2021/1590
2017 Refused
147 CORNWALL ROAD RUISLIP HA4 6AH
Two storey side extension, conservatory to rear and conversion of roofspace to habitable…
70839/APP/2017/2142
2018 Approved
135 CORNWALL ROAD RUISLIP HA4 6AH
Two storey side extension, single storey rear extension and conversion of roofspace to ha…
73344/APP/2018/1189
2017 Refused
135 CORNWALL ROAD RUISLIP HA4 6AH
Two storey side extension, single storey rear extension and conversion of roofspace to ha…
73344/APP/2017/4202
2017 Withdrawn
147 CORNWALL ROAD RUISLIP HA4 6AH
Conservatory to rear. (Retrospective)
70839/APP/2017/884
2017 Approved
139 CORNWALL ROAD RUISLIP MIDDLESEX HA4 6AH
Single storey rear extension
68764/APP/2017/567
2016 Approved
87 CORNWALL ROAD RUISLIP HA4 6AH
Single storey front/side and rear extension involving demolition of existing attached gar…
69878/APP/2016/1922
2016 Approved
87 CORNWALL ROAD RUISLIP HA4 6AH
Conversion of roofspace to habitable use to include a rear dormer with Juliette Balcony…
69878/APP/2016/1921
2016 Approved
75 SEATON GARDENS RUISLIP HA4 6AH
Part two storey, part single storey side/rear extension
71268/APP/2016/1616
2016 Approved
75 SEATON GARDENS RUISLIP HA4 6AH
Part two storey, part single storey side/rear extension (Resubmission)
71268/APP/2016/485
Hillingdon
Planning Authority Score
3.6/10
Below average
#212 of 292 councils
Relevant to this application:
Householder decisions

Hillingdon ranks #171 out of 292 councils for householder decision speed. Householder applications are slightly less likely to be approved here (88%) than the national average (90%).

These figures are council-wide context, not a prediction for this application. View full council performance
Hillingdon decision performance
Based on MHCLG data, 2025
84%
Overall approval rate
Below avg (87%) #220 of 292
88%
Householder approved
Below avg (90%) #219 of 292
61%
Decided in 8 weeks
Below avg (64%) #171 of 292
43%
Extended time limit
Above avg (40%) #170 of 292
67%
Minor dwellings approved
58 decided (1-9 homes)
68%
Change of use approved
19 decided
1,703
Total decisions
276 refused in 2025
Source: MHCLG planning statistics · See full council rankings