Planning application
125 A Allfarthing Lane SW18 2AU
Works: Extension Loft or dormer Windows or glazing
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Alterations including erection of mansard roof extension to main rear roof (with French doors and safety railings) including raising the ridge by 250mm and extension above part of two-storey back addition; formation of roof terrace above two-storey back addition with 1.7m high screen surround.
As published by the council, reference 2025/3315
Application record
- Reference
- 2025/3315
- Type
- Application for Full Permission
- Status
- FINAL DECISION
- Decision
- Approve with Conditions
- Received
- 22 Sep 2025
- Validated
- 30 Sep 2025
- Decided
- 17 Nov 2025
- Ward
- Wandle
- Decision by
- Delegated Standard
- Postcode
- SW18 2AU
Timeline
Dates from the published record
-
22 Sep 2025
Received by Wandsworth
-
30 Sep 2025
Validated
Checked as complete and ready for consideration.
-
17 Nov 2025
Decision issued: Approve with Conditions
-
10 Aug 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
16 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
Trade members open them from here.
Open the documentsWhat this grant of permission means
Wandsworth granted permission on 17 November 2025, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.
About full applications
A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
177 Garratt Lane London SW18 4DP
Details of BREEAM Design Stage Report further to condition 10 of planning permission dated 06/02/2024 ref 2023/2430 (Alterations including erection of mansard roof extension to main rear roof, including raising the ridge by 300mm, installation of velux roof windows to the front roof, erection of roof extension over two-storey back addition with formation of a roof terrace with glazed 1.7m screen surround, alterations of window openings to rear and side elevation and installation of french doors and safety railings; and conversion of existing the 1st and 2nd floor maisonette flat at 177 to 3 x 1-bedroom flats with associated cycle and refuse storage) as amended by application ref. 2024/2509 dated 09/09/2024.
Granted Full applications New dwelling Extension +2 4 docs -
177 Garratt Lane SW18 4DP
Alterations including erection of a mansard roof extension to main rear roof, including raising the ridge by 300mm; Erection of an extension above two-storey back addition with formation of a roof terrace above with glazed 1.7m screen surround; erection of a single-storey rear and side extension; Installation of french doors and safety railings at first and second floor rear elevation; Installation of a new shopfront; In connection with change of use of ground floor and basement from Commercial (Class E) to flexible use (Class E(a)(c)(e)(g)(i)/F1(a)(b); Change of use of part of ground floor and upper floors to Class C3 to provide 4 x 1-bedroom flats with associated cycle and refuse storage.
Refused Full applications New dwelling Extension +2 23 docsSmall domestic -
177 Garratt Lane SW18 4DP
Details of a BREEAM Report pursuant to condition 4 of planning permission dated 18/12/2023 ref 2023/3713 (Alterations including installation of replacement shopfront, erection of single-storey rear side extension, in connection with the change of use of part ground floor to class C3 to replace the existing studio flat to a 1 x 1 bedroom flat with associated cycle and refuse storage. Change of use of remaining existing ground floor and basement commercial unit to Class E(a), professional services Class E(c), Indoor sport, recreation or fitness Class E(d), health services Class E(e), offices Class E(g)(i).)
Granted Extension Windows or glazingSmall domestic -
14-16 Treport Street SW18 2BP
Details of water calculations, cycle storage, and waste storage pursuant to conditions 7, 8 and 9 of planning permission dated 20/02/2026 ref. 2025/4086 - Alterations including erection of mansard extensions to the main rear roof including raising the existing ridge heights by 180mm; erection of extensions above part of the two-storey back additions and formation of roof terraces above the two-storey back additions. Proposed works in connection with creation of 2 additional two-bedroom flats.
Granted New dwelling Extension +1 -
14-16 Treport Street SW18 2BP
Details of water calculations, cycle storage, and waste stroage pursuant to conditions 7, 8 and 9 of planning permission dated 20/02/2026 ref. 2025/4086 (Alterations including erection of mansard extensions to the main rear roof including raising the existing ridge heights by 180mm; erection of extensions above part of the two-storey back additions and formation of roof terraces above the two-storey back additions. Proposed works in connection with creation of 2 additional two-bedroom flats.
Refused Full applications New dwelling Extension +1 10 docs -
14-16 Treport Street SW18 2BP
Alterations including erection of mansard extensions to the main rear roof including raising the existing ridge heights by 180mm; erection of extensions above part of the two-storey back additions and formation of roof terraces above the two-storey back additions. Proposed works in connection with creation of 2 additional two-bedroom flats. [RECONSULT DUE TO AMENDMENTS] namely: reduced size of rear terraces, installation of 1.7m opaque screens surrounding terraces, reduced size of rooflights to front elevation and open riser stairs to access new residential units.
Granted Full applications New dwelling Extension +1 12 docs
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