Planning application
20 Corsehill Street SW16 6NF
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 dormer roof extension to main rear roof (with french doors and safety railings).
As published by the council, reference 2026/1042
Application record
- Reference
- 2026/1042
- Type
- Certificate of Lawfulness - Proposed
- Status
- FINAL DECISION
- Decision
- Approve No Conditions
- Received
- 16 Mar 2026
- Validated
- 16 Apr 2026
- Decided
- 20 May 2026
- Ward
- Furzedown
- Decision by
- Delegated Standard
- Postcode
- SW16 6NF
Timeline
Dates from the published record
-
16 Mar 2026
Received by Wandsworth
-
16 Apr 2026
Validated
Checked as complete and ready for consideration.
-
20 May 2026
Decision issued: Approve No Conditions
-
10 Aug 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
15 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 20 May 2026, 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 lawful development applications
A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
4 Corsehill Street SW16 6NF
Retention of single-storey outbuilding in rear garden
Granted Lawful development 9 docsSmall domestic -
4 Corsehill Street SW16 6NF
Non-material amendment to planning permission dated 22/07/2021 ref. 2021/2264 (Erection of single-storey rear extension.) to allow installation of a single rooflight measuring 1m x 3m above the single storey rear extension.
Granted Amendments Extension Loft or dormer 5 docsSmall domestic -
4 Corsehill Street SW16 6NF
Alterations including erection of roof extension to main rear roof (with French doors and safety railings)
Granted Lawful development Extension Windows or glazing 14 docs -
4 Corsehill Street SW16 6NF
Erection of single-storey rear extension.
Granted Householder Extension 13 docsSmall domestic -
195 Mitcham Lane SW16 6PN
Variation of condition 2 (in accordance with approved drawings) of planning permission dated 16/04/2025 ref 2025/0115 (Alterations including erection of single-storey rear extension, installation of windows to side elevation and roof lights to rear roof slope in connection with conversion of existing dwelling into 2 flats) to allow changes to internal layout, alterations to the single storey extension and insertation of two additional windows to the southern (street-facing) elevation.
Granted Amendments New dwelling Extension +2 5 docsSeveral homes -
195 Mitcham Lane SW16 6PN
Erection of single storey rear extension to extend beyond the rear wall of the existing dwelling house by 6m, the total height of the proposed extension is 3m and the height of the eaves is 3m.
Refused Prior approval Extension 5 docsSmall domestic
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