28 Penwerris Avenue, Isleworth, TW7 4QX Data via plota.co.uk

Final Decision - Approved P/2026/1876 - Householder Applications
Extensions & alterations
Council
Hounslow 2.1/10
Date received
1 Jul 2026
Date validated
1 Jul 2026
Decision date
21 Aug 2026
Postcode
TW7 4QX
Type
Householder Applications

Description

Erection of two storey side and single storey and part first floor rear extension with conversion of the garage into habitable room and replacement of the garage doors with a window to the house. Data via plota.co.uk

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Other new applications on this street

29 Penwerris Avenue, Isleworth, TW7 4QT

Erection of a hip to gable to both sides and a rear roof extension with three fr...

P/2026/1345 - 5 May 2026

Nearby new applications

205 Jersey Road, Isleworth, TW7 4QJ

Erection of a two storey side and rear extension, a rear roof extension and a si...

P/2026/2336 - 14 Aug 2026

190 Jersey Road, Isleworth, TW7 4QN

Change of use of the existing house in multiple occupation from six persons (C4)...

P/2026/2212 - 4 Aug 2026

28 Eversley Crescent,Isleworth,TW7 4LS

Erection of a side roof extension with roof windows and a Juliet balcony to the ...

P/2026/2206 - 29 Jul 2026

115 Jersey Road,Isleworth,TW7 4QR

Erection of a single-storey rear extension, part first-floor side extension, and...

P/2026/1534 - 28 Jul 2026

28 Eversley Crescent, Isleworth, TW7 4LS

Ground floor rear extension 6.00 metres deep, maximum height 3.80 metres, 3.00 m...

PA/2026/2161 - 24 Jul 2026

27 Burlington Road,Isleworth,TW7 4LU

Erection of a two storey side extension and a single storey detached outbuilding...

P/2026/2148 - 23 Jul 2026

Historical activity at this location

28 previous applications on record - archival context, not part of the live application.

This property

Previous applications at this address

2025 Approved
Certificate of lawfulness for the proposed erection of a single storey detached outbuildi…
P/2025/2944
2022 Approved
Certificate of lawfulness for the erection of a rear roof extension with a hip to gable c…
P/2022/1149
2022 Approved
Ground floor rear extension 6 metres deep, maximum height of 3 metres, 3 metres high to t…
PA/2022/1152
Within ~100m

Nearby activity

2025 Approved
23 Penwerris Avenue, Isleworth, TW7 4QT
Retrospective application for the erection of a single-storey rear extension to the house…
P/2025/3390
2025 Approved
19 Pevensey Close, Isleworth, TW7 4QS
Erection of a single storey rear extension with roof lantern and single storey side exten…
P/2025/2001
2024 Approved
19 Penwerris Avenue, Isleworth, TW7 4QT
Alterations to the first floor front bay window
P/2024/2664
2023 Approved
2 PENWERRIS AVENUE, ISLEWORTH, TW7 4QX
Erection of a single storey rear extension to the house.
P/2023/2865
2022 Refused
23 PENWERRIS AVENUE, ISLEWORTH, TW7 4QT
Retrospective application for the erection of a single storey extension to the house
P/2022/4038
2021 Approved
30 CRANMORE AVENUE, ISLEWORTH, TW7 4QW
Erection of a rear roof extension following, removal of and installation of one new front…
P/2021/4712
2021 Refused
30 CRANMORE AVENUE, ISLEWORTH, TW7 4QW
Erection of a two storey rear gable ended extension at first floor with installation of P…
P/2021/4011
2021 Approved
7 PENWERRIS AVENUE, ISLEWORTH, TW7 4QT
Ground floor rear extension 6 metres deep, maximum height of 3.50 metres, 2.75 metres hig…
PA/2021/4034
2021 Approved
11 PENWERRIS AVENUE, ISLEWORTH, TW7 4QT
Erection of single storey side and rear extension following the demolition of existing ga…
P/2021/2269
2021 Approved
12 PENWERRIS AVENUE, ISLEWORTH, TW7 4QX
Retrospective planning application for the erection of a single storey side extension and…
P/2021/1613
2021 Refused
30 CRANMORE AVENUE, ISLEWORTH, TW7 4QW
Conversion of a house into three self contained flats with the erection of a single store…
P/2021/1095
2020 Approved
12 PENWERRIS AVENUE, ISLEWORTH, TW7 4QX
Erection of a single storey side extension to the house
P/2020/3937
2020 Refused
12 PENWERRIS AVENUE, ISLEWORTH, TW7 4QX
Erection of a single storey side extension and erection of a front porch extension to the…
P/2020/2751
2019 Approved
27 PENWERRIS AVENUE, ISLEWORTH, TW7 4QT
Erection of a single storey side extension to the house
P/2019/3299
2019 Approved
19 PENWERRIS AVENUE, ISLEWORTH, TW7 4QT
Erection of a single storey side extension to the house
P/2019/2235
2019 Approved
22 PENWERRIS AVENUE, ISLEWORTH, TW7 4QX
Erection of a double garage to rear with access from Pevensey Close
P/2019/1067
2019 Approved
122 BASSETT GARDENS, ISLEWORTH, TW7 4QY
Detached single storey outbuilding to the rear of the house
P/2019/0806
2018 Approved
122 BASSETT GARDENS, ISLEWORTH, TW7 4QY
Erection of a part first floor rear extension to the house
P/2018/4577
2018 Approved
122 BASSETT GARDENS, ISLEWORTH, TW7 4QY
Erection of a single storey side and rear extension
P/2018/4310
2018 Approved
20 PENWERRIS AVENUE, ISLEWORTH, LONDON, TW7 4QX
Ground floor rear extension 6m deep, 2.873m high to the eaves with the maximum height of…
PA/2018/3828
2016 Withdrawn
30 PEVENSEY CLOSE ISLEWORTH TW7 4QS
Installation of a gate at the end of Pevensey close and residents' garages
P/2016/4377
2016 Withdrawn
18 CRANMORE AVENUE ISLEWORTH LONDON TW7 4QW
Conversion of a garage into habitable room.
P/2016/0336
2016 Approved
28 CRANMORE AVENUE ISLEWORTH LONDON TW7 4QW
Erection of a single storey rear extension to the house
P/2016/1176
2016 Approved
28 CRANMORE AVENUE ISLEWORTH LONDON TW7 4QW
Ground floor rear extension 4 metres deep, maximum height of 4 metres, 3 metres high to t…
PA/2016/0384
2016 Approved
28 CRANMORE AVENUE ISLEWORTH LONDON TW7 4QW
Ground floor rear extension 6 metres deep, maximum height of 4 metres, 3 metres high to t…
PA/2016/0288
Hounslow
Planning Authority Score
2.1/10
Poor
#268 of 296 councils
Relevant to this application:
Householder decisions

Hounslow is slower than most councils at deciding householder applications, ranking #203 out of 296. 47% of applications have the time limit extended, above the 41% national average. Hounslow is also one of the strictest councils - it refuses more householder applications than almost any other, with only 75% approved vs 90% nationally.

One of the strictest councils
only 75% approved vs 90% nationally
These figures are council-wide context, not a prediction for this application. View full council performance
Hounslow decision performance
Based on MHCLG data, the year to March 2026
71%
Overall approval rate
Below avg (87%) #294 of 296
75%
Householder approved
Below avg (90%) #293 of 296
56%
Decided in 8 weeks
Below avg (63%) #203 of 296
47%
Extended time limit
Above avg (41%) #208 of 296
38%
Minor dwellings approved
82 decided (1-9 homes)
93%
Major dwellings approved
14 decided (10+ homes)
29%
Change of use approved
72 decided
1,191
Total decisions
340 refused in the year to March 2026
Source: MHCLG planning statistics · See full council rankings