21 Ballantine Street London Wandsworth SW18 1AL

Pending 2026/1402
Extensions & alterations
Council
Wandsworth 5.2/10
Date received
15 Apr 2026
Date validated
15 Apr 2026
Postcode
SW18 1AL

Description

erection of mansard extension to main rear roof above part of back addition including raising of ridge

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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 With conditions
48 Ballantine Street SW18 1AL
Installation of a new traditional sash window to the second floor rear elevation
2025/4237
2025 With conditions
46 Dalby Road SW18 1AW
Alterations including erection of single-storey rear/side infill extension.
2025/4420
2025 With conditions
27 Dalby Road Wandsworth SW18 1AW
Alterations including erection of a mansard extension to main rear roof (with french door…
2025/2856
2025 Withdrawn
27 Dalby Road SW18 1AW
Erection of a dormer extension to main rear roof slope and above two-storey rear addition.
2025/2855
2025 Approved
13 Ballantine Street SW18 1AL
T1 Purple Plum - Prune back near to previous reduction points approx 1m from tips.
2025/1395
2025 With conditions
4 Ballantine Street SW18 1AL
Details of window specification pursuant to condition 4 of planning permission dated 10/0…
2025/0588
2025 With conditions
78 Alma Road SW18 1AH
Alterations including replacement of existing window within rear roof extension with fren…
2025/0088
2024 Refused
22 Dalby Road London SW18 1AW
Alterations including erection of a single storey rear/side extension and part first floo…
2024/3263
2024 With conditions
22 Dalby Road London SW18 1AW
Alterations including erection of a mansard roof extension to main rear roof (with French…
2024/3262
2024 With conditions
4 Ballantine Street SW18 1AL
Alterations including erection of mansard roof extension to main rear roof (with French d…
2024/3519
2023 With conditions
46 Dalby Road SW18 1AW
Alterations including demolition of existing rear extension and construction of side infi…
2023/3670
2023 With conditions
32 Ballantine Street SW18 1AL
Alterations including erection of a single to three storey rear/side extension; erection…
2023/2302
2023 With conditions
1 Dalby Road SW18 1AW
Erection of a single-storey outbuilding to rear of garden. Erection of a 2.3m high acoust…
2023/1214
2023 With conditions
46 Dalby Road SW18 1AW
Installation of roof light to front main roof slope.
2023/3672
2023 Approved
1 Dalby Road SW18 1AW
Bay tree: Crown reduction by 65%.
2023/1336
2023 With conditions
1 Podmore Road SW18 1AJ
Details of water usage pursuant to condition 4 of planning permission dated 03/05/2022 re…
2023/1522
2023 With conditions
21 Ballantine Street SW18 1AL
Erection of mansard extension to main rear roof including raising of ridge by 300mm; and…
2023/0776
2023 Approved
13 Ballantine Street SW18 1AL
Rear garden: Purple Plum (T1) - Reduce crown by 1m from the tips and crown thin by 15% an…
2023/0710
2022 With conditions
9 Dalby Road SW18 1AW
Alterations including erection of single-storey rear/side extension
2022/3665
2022 Approved
27 Ballantine Street SW18 1AL
Bay: Fell.
2022/3930
2016 With conditions
79 Alma Road SW18 1AQ
Erection of single-storey rear extension
2016/2423
2016 With conditions
42 Ballantine Street SW18 1AL
Erection of roof extension to part of main rear roof slope and above two-storey back addi…
2016/2477
2016 With conditions
79 Alma Road SW18 1AQ
Alterations including erection of first floor side extension; formation of second floor r…
2016/1292
2016 With conditions
40 Ballantine Street London SW18 1AL
Erection of rear extension above two-storey back addition.
2016/0490
2016 Withdrawn
27 Dalby Road London London Wandsworth SW18 1AW
Erection of rear mansard roof extension including raising the ridge by 350 mm, insertion…
2016/1490
Wandsworth
Planning Authority Score
5.2/10
Average
#138 of 292 councils
Relevant to this application:
Householder decisions

Wandsworth ranks #162 out of 292 councils for householder decision speed. Householder applications are slightly more likely to be approved here (93%) than the national average (90%).

These figures are council-wide context, not a prediction for this application. View full council performance
Wandsworth decision performance
Based on MHCLG data, 2025
90%
Overall approval rate
Above avg (87%) #122 of 292
93%
Householder approved
Above avg (90%) #138 of 292
63%
Decided in 8 weeks
Below avg (64%) #162 of 292
37%
Extended time limit
Below avg (40%) #123 of 292
88%
Minor dwellings approved
720 decided (1-9 homes)
83%
Major dwellings approved
18 decided (10+ homes)
82%
Change of use approved
38 decided
2,141
Total decisions
222 refused in 2025
Source: MHCLG planning statistics · See full council rankings