19 Ashbourne Grove, Chiswick, London,W4 2JH

Pending P/2026/1408 - Householder Applications
Extensions & alterations
Council
Hounslow 2.2/10
Date received
14 May 2026
Date validated
14 May 2026
Postcode
W4 2JH
Type
Householder Applications

Description

Erection of a rear roof and outrigger extension with three front roof windows to the house.

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Historical activity at this location

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

Within ~100m

Nearby activity

2025 Approved
34 Wilton Avenue, Chiswick, London, W4 2HY
Erection of a single storey wrap extension to the house
P/2025/2335
2025 Approved
First Floor Flat, 25 Cornwall Grove, Chiswick, London, W4 2LB
Erection of a rear roof extension with two front roof windows to the flat
P/2025/1833
2025 Approved
12 Wilton Avenue, Chiswick, London, W4 2HY
Erection of rear roof and outrigger extension with two front roof windows to the house.
P/2025/0950
2025 Approved
30 Wilton Avenue, Chiswick, London, W4 2HY
Erection of ground floor rear and infill extension to the house.
P/2025/0189
2024 Approved
40 BALFERN GROVE, CHISWICK, W4 2JX
Erection of proposed single storey rear infill extension to the house.
P/2024/1379
2024 Approved
21A ASHBOURNE GROVE, CHISWICK, W4 2JH
Erection of a single storey outbuilding in the rear garden of the house
P/2024/1305
2024 Refused
1A CORNWALL GROVE, CHISWICK, W4 2LB
Side infill extension to the existing rear roof dormer extension and second floor rear ou…
P/2024/0899
2024 Approved
49 WILTON AVENUE, CHISWICK, W4 2HX
Removal of Condition 3 (External Materials) to change the external materials to the rear…
P/2024/0748
2023 Refused
1A CORNWALL GROVE, CHISWICK, W4 2LB
Erection of a rear roof dormer infill extension, second floor rear outrigger extension an…
P/2023/3223
2023 Approved
44 CHISWICK LANE, CHISWICK, W4 2JQ
Replacement of the existing side door and the creation of an external courtyard; new roof…
P/2023/3469
2023 Refused
44 CHISWICK LANE, CHISWICK, W4 2JQ
Part conversion of the existing ground floor shop, office and workshop (Use Class E) to a…
P/2023/2224
2023 Approved
23 CORNWALL GROVE, CHISWICK, LONDON, W4 2LB
Erection of a single storey rear infill and rear extension to the house.
P/2023/1713
2023 Approved
11-13 CORNWALL GROVE, CHISWICK, LONDON, W4 2LB
Erection of a single storey rear and infill extension to both properties
P/2023/1397
2023 Approved
31 WILTON AVENUE, CHISWICK, W4 2HX
Erection of a garden shed in the style of a thai temple
P/2023/0686
2023 Approved
25 BALFERN GROVE, CHISWICK, W4 2JX
Ground floor rear extension 5.6 metres deep, maximum height of 3.05 metres, 3.00 metres h…
PA/2023/1063
2022 Withdrawn
13 WILTON AVENUE, CHISWICK, W4 2HX
Installation of an external unit to a heat pump to the side of the house
P/2022/2678
2022 Approved
49 WILTON AVENUE, CHISWICK, W4 2HX
Conversion of two flats into one two storey house incorporating the erection of a single…
P/2022/2222
2022 Approved
12 WILTON AVENUE, CHISWICK, W4 2HY
Erection of rear roof and outrigger extension with two front roof windows to the house.
P/2022/0683
2022 Approved
17 BALFERN GROVE, CHISWICK, LONDON, W4 2JX
Erection of a single storey rear Infill extension with three roof windows
P/2022/0850
2021 Approved
13 WILTON AVENUE, CHISWICK, W4 2HX
Erection of a rear roof dormer extension with juliet balcony and a second storey roof ext…
P/2021/4737
2016 Approved
FLAT FIRST FLOOR 53 WILTON AVENUE CHISWICK LONDON W4 2HX
Erection of a rear roof extension with an outrigger incorporating a juliet balcony and 2…
P/2016/1863
2016 Refused
8 BALFERN GROVE CHISWICK LONDON W4 2JX
Erection of a rear roof extension with an outrigger incorporating 3 front roof windows to…
P/2016/1727
2016 Approved
2 WILTON AVENUE CHISWICK LONDON W4 2HY
Proposed extension to existing cellar to create a basement with front and rear lightwells
P/2016/1125
2016 Approved
15 CORNWALL GROVE CHISWICK LONDON W4 2LB
Replacement of roof to existing side extension with glass roof and formation of new parap…
P/2016/0306
2016 Approved
21 CORNWALL GROVE CHISWICK LONDON W4 2LB
Ground floor rear extension 4.91 metres deep, maximum height of 3 metres, 2.4 metres high…
PA/2016/0100
Hounslow
Planning Authority Score
2.2/10
Poor
#260 of 292 councils
Relevant to this application:
Householder decisions

Hounslow is slower than most councils at deciding householder applications, ranking #198 out of 292. 46% of applications have the time limit extended, above the 40% national average. Hounslow is also one of the strictest councils - it refuses more householder applications than almost any other, with only 72% approved vs 90% nationally.

One of the strictest councils
only 72% 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, 2025
68%
Overall approval rate
Below avg (87%) #290 of 292
72%
Householder approved
Below avg (90%) #289 of 292
57%
Decided in 8 weeks
Below avg (64%) #198 of 292
46%
Extended time limit
Above avg (40%) #193 of 292
34%
Minor dwellings approved
89 decided (1-9 homes)
82%
Major dwellings approved
11 decided (10+ homes)
24%
Change of use approved
71 decided
1,284
Total decisions
407 refused in 2025
Source: MHCLG planning statistics · See full council rankings