Planning application
14-16 Treport Street SW18 2BP
Works: New dwelling Extension Loft or dormer
Relates to 2025/4086
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
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.
As published by the council, reference 2026/2100
Application record
- Reference
- 2026/2100
- Status
- Granted As published: FINAL DECISION
- Decision
- Granted As published: Approve No Conditions
- Received
- 11 Jun 2026
- Postcode
- SW18 2BP
Site history
Applications at this address on the Wandsworth register
This site has had 3 applications since 2025: 2 approved, 1 refused.
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2026/1059 Refused
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.
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2025/4086 Granted
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.
Timeline
Dates from the published record
-
11 Jun 2026
Received by Wandsworth
-
25 Jul 2026
Added to PlanIndex
Related applications
Cases linked to this one on the register
-
2025/4086 Granted
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.
What this grant of permission means
Wandsworth granted permission, 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 this record
The published feed does not state which type of application this is; the register entry on Wandsworth's portal will say. Our guide explains the common types.
Nearby applications
Within 0.3 miles
-
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 -
6B Treport Street SW18
Erection of mansard style rear roof extension to main roof and over part of rear addition.
Withdrawn Householder Extension Loft or dormer 10 docsDomestic -
50 Aslett Street SW18 2BN
89% historically approved · decision due ~24 Sep
Alterations including erection of a rear roof extension to main roof and an extension over the two-storey rear addition.
Awaiting decision Extension -
42 Aslett Street SW18 2BN
Erection of single storey side extension.
Granted Householder Extension 6 docsSmall domestic -
Flat First Floor A 195 Garratt Lane SW18 4DR
Details of BREEAM (post construction) pursuant to condition 4 planning permission dated 18/12/2023 ref 2023/3708 (Alterations including erection of mansard roof extension to main rear roof, including raising the ridge by 300mm. Extension above twostorey back addition with French doors and formation of a roof terrace with glazed 1.7m screen surround; Installation of French doors and safety railings to first and second floor back addition replacing existing windows; installation of 2 x windows to second floor, and replacement windows to first floor side elevation of back addition. Works in connection with the proposed conversion of the existing 1 x 3-bedroom flat to 3 x 1-bedroom flats with associated cycle and refuse storage.)
Granted Full applications New dwelling Extension +2 7 docs