Proposal
Alterations including erection of mansard roof extension to main rear (with French doors and safety railings).
As published by the council, reference 2026/1348
Timeline
Dates from the published record
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8 Apr 2026
Received by Wandsworth
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13 May 2026
Validated
Checked as complete and ready for consideration.
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23 Jun 2026
Decision issued: Approve with Conditions
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29 Jul 2026
Added to PlanIndex
What a grant of permission means
The process from here
Permission has been granted, usually subject to conditions listed on the decision notice, some of which must be discharged before work starts. The decision notice on the council portal sets out exactly what was approved.
Work must normally begin within three years of the decision or the permission lapses. Neighbours cannot appeal a grant; challenging one means judicial review of how the decision was made, within tight time limits.
About householder applications
How this application type works
Householder applications cover work to an existing house and its garden: extensions, loft and garage conversions, porches, outbuildings and similar alterations within the boundary of the home. They cannot be used to create a separate dwelling or change what the building is used for. Councils aim to decide them within eight weeks, and immediate neighbours are usually notified and given a chance to comment.
Nearby applications
Within 500 metres
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2025/0503 Awaiting decision
176 Balham High Road SW12 9BW
Details of roof terrace screening and Landscape & Ecological Enhancement and Management Plan pursuant to conditions 3 & 9 dated 24/06/2024 ref 2023/2181 Alterations including the retention and alteration of second floor rear extensions with roof terraces above the back addition, in connection with the provision of 9 residential units (5 x 1-bed / 4 x 2-bed); alterations to the ground and level 1 to remove lift shaft, with minor reconfigurations at ground and level 1, in connection with the provision of required cycle storage and new rear external stairs (part- retrospective).)
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2026/1365 Awaiting decision
176 Balham High Road SW12 9BW
Details of Solar Panels, Air-Source Heat Pump, CO2 Emission, Water Usage pursuant to conditions 5, 6, 11, 12 of planning permission dated 24/06/2024 ref 2023/2181 (Alterations including the retention and alteration of second floor rear extensions with roof terraces above the back addition, in connection with the provision of 9 residential units (5 x 1-bed / 4 x 2-bed); alterations to the ground and level 1 to remove lift shaft, with minor reconfigurations at ground and level 1, in connection with the provision of required cycle storage and new rear external stairs (part-retrospective).)
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2026/2650 Awaiting decision
172-174 Balham High Road SW12 9BW
Display of 2 x new proposed roundel inside the existing glazing, and 1 x new digital screen position, new manifestation dots, vinyl pattern to windows, red LED keyline internal illumination to perimeter of shopfront glazing.
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2026/2416 Awaiting decision
Chestnut Grove Academy 45 Chestnut Grove SW12 8JZ
Permanent retention of three-storey building for education (F.1 use).
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2026/1768 Granted
40 Chestnut Grove SW12 8JD
Alterations including erection of mansard roof extension to provide additional storey of accommodation and roof extension above two storey back addition; erection of single storey side extension.
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2026/1381 Granted
Flat First Floor A 1 Ramsden Road SW12 8QX
Alterations including erection of first floor rear extension.
Other householder applications
In Wandsworth
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2026/2768 Awaiting decision
125 Moyser Road SW16 6SJ
Proposed ground floor rear extension, internal alterations and all associated works.
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2026/1929 Granted
36 Brudenell Road SW17 8DA
Alterations including erection of single-storey rear extension.
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2026/2737 Awaiting decision
10 Swaffield Road SW18 3AH
Erection of single-storey rear/side extension.
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2026/2734 Awaiting decision
22 Bellamy Street SW12 8BU
Ground floor wraparound extension.
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2026/2029 Granted
67 Bangalore Street SW15 1QF
Alterations including erection of extension above rear part of two-storey rear addition