Planning application
20 Trinity Road SW17 7RE
Works: New dwelling Extension Loft or dormer Windows or glazing
Relates to 2026/1998
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Variation of conditions 2 (in accordance with drawings), 9 (cycle parking) and 10 (waste store) pursuant to planning permission dated 23/07/2026 ref 2026/1998 (Erection of a mansard roof extension with front and rear dormers; two-storey rear extension at first and second floor levels, extension to infill rear ground floor courtyard to provide a new communal entrance, stairs and alterations to ground floor Launderette (Sui generis). Redevelopment of existing first floor flat and creation of a 2-bedroom flat at roof level. Communal refuse and cycle storage at ground floor.) to allow relocation of communal flats entrance from side to front of building and replacement of shopfront. Creation of new ground floor entrance hall, relocation of waste and cycle stores and replacement of openings to side of building with brickwork.
As published by the council, reference 2026/3119
Application record
- Reference
- 2026/3119
- Status
- Pending As published: REGISTERED
- Received
- 10 Sep 2026
- Validated
- 1 Sep 2026
- Ward
- Trinity
- Postcode
- SW17 7RE
Comment by 1 October 2026
The council is taking comments on this application until then. Comments go to Wandsworth through their own planning portal.
Site history
Applications at this address on the Wandsworth register
This site has had 2 applications since 2026: 1 approved, 0 refused.
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2026/1998 Granted
20 Trinity Road SW17 7RE
Erection of a mansard roof extension with front and rear dormers; two-storey rear extension at first and second floor levels, extension to infill rear ground floor courtyard to provide a new communal entrance, stairs and alterations to ground floor Launderette (Sui generis). Redevelopment of existing first floor flat and creation of a 2-bedroom flat at roof level. Communal refuse and cycle storage at ground floor.
Timeline
Dates from the published record
-
1 Sep 2026
Validated
Checked as complete and ready for consideration.
-
10 Sep 2026
Received by Wandsworth
-
10 Sep 2026
Added to PlanIndex
-
10 Sep 2026
Status changed to REGISTERED
Previously NEW.
-
Decision
Awaiting decision
Decision expected by 27 October 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
Wandsworth took a median of 61 days over the applications it decided in the last year.
Related applications
Cases linked to this one on the register
-
2026/1998 Granted
20 Trinity Road SW17 7RE
Erection of a mansard roof extension with front and rear dormers; two-storey rear extension at first and second floor levels, extension to infill rear ground floor courtyard to provide a new communal entrance, stairs and alterations to ground floor Launderette (Sui generis). Redevelopment of existing first floor flat and creation of a 2-bedroom flat at roof level. Communal refuse and cycle storage at ground floor.
Documents
Plans, drawings, consultee responses and the officer's report
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.
Watch members (£5 a month) open the document list from here.
Open the documentsWhat happens while it is decided
This application is with Wandsworth for determination, against a statutory target of eight weeks. Over the last year Wandsworth's median decision took 61 days. More in our guide to how long planning decisions take.
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
-
20 Trinity Road SW17 7RE
Erection of a mansard roof extension with front and rear dormers; two-storey rear extension at first and second floor levels, extension to infill rear ground floor courtyard to provide a new communal entrance, stairs and alterations to ground floor Launderette (Sui generis). Redevelopment of existing first floor flat and creation of a 2-bedroom flat at roof level. Communal refuse and cycle storage at ground floor.
Granted Extension Loft or dormer -
28 Trinity Road SW17 7RE
Details of materials, noise level, cycle parking and refuse pursuant to Condition 3, 6, 7 and 8 of planning permission dated 19/01/2024 ref 2023/3746 (Alterations including erection of single storey side/rear extension; mansard roof extension to main rear roof to form additional storey; extension above back addition. Installation of windows to ground floor side elevation and new entrance; installation/replacement of side windows and installation of rear French doors with railings at first floor. increase in existing commercial (Class E) floorspace at ground floor, in connection with creation of 2 x 1-bedroom and 1 x 2- bedroom flats.)
Granted Full applications New dwelling Extension +2 7 docsSmall domestic -
26 Trinity Road London SW17 7RE
Change of use from Use Class E to Class F1 (non-residential education and training).
Granted Full applications 9 docs -
Ground Floor 30 Trinity Road SW17 7RE
Details of acoustic performance of new windows and trickle vents pursuant to condition 2 of prior approval dated 12/01/2023 ref 2022/4763 ( Determination as to whether prior approval is required for change of use from retail (Class E) to 1 x 1-bedroom flat(Class C3).)
Granted Full applications Windows or glazing 7 docs -
Flat Ground Floor Rear B 36 Trinity Road SW17 7RE
89% historically approved · decision due ~2 Apr
Alterations including erection of single-storey rear extension.
Awaiting decision Full applications Extension 17 docsSmall domestic -
Ground Floor 36 Trinity Road SW17 7RE
Display of 2 x non illuminated fascia signs, and 1 x vinyl graphic to glazing.
Granted Advertising Windows or glazing 10 docs