Planning application
35 Topsham Road SW17 8SH
Works: Extension Loft or dormer Domestic
Read from the description, not a valuation. How we read the register
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Alterations including the erection of a hip-to-gable side roof extension, a mansard extension to the main rear roof and a roof extension over two-storey back addition.
As published by the council, reference 2025/4178
Application record
- Reference
- 2025/4178
- Type
- Householder
- Status
- FINAL DECISION
- Decision
- Approve with Conditions
- Received
- 18 Nov 2025
- Validated
- 3 Dec 2025
- Decided
- 11 Feb 2026
- Ward
- Tooting Bec
- Decision by
- Delegated Standard
- Postcode
- SW17 8SH
Timeline
Dates from the published record
-
18 Nov 2025
Received by Wandsworth
-
3 Dec 2025
Validated
Checked as complete and ready for consideration.
-
11 Feb 2026
Decision issued: Approve with Conditions
-
10 Aug 2026
Added to PlanIndex
Documents
Plans, drawings, consultee responses and the officer's report
7 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 11 February 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 householder applications
Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
26 Topsham Road SW17 8SJ
Alterations including erection of hip to gable side roof extension; rear dormer roof extension; increase in chimney height; two front rooflights.
Granted Lawful development Extension Loft or dormer 9 docs -
26 Topsham Road SW17 8SJ
Erection of a single-storey rear extension and internal alterations.
Granted Householder Extension 7 docsSmall domestic -
21 Topsham Road SW17 8SH
Alterations including erection of dormer roof extension to main rear roof and roof extension above two storey back addition; erection of single storey rear extension.
Granted Householder Extension Loft or dormer 17 docsSmall domestic -
19 Topsham Road SW17 8SH
Erection of dormer roof extension to main rear roof (with french doors and safety railings).
Granted Lawful development Extension Loft or dormer +1 7 docs -
29 Topsham Road SW17 8SH
Alterations including erection of single storey rear extension.
Granted ExtensionSmall domestic -
29 Topsham Road SW17 8SH
Alterations including erection of dormer roof extension and roof extension above two storey back addition.
Granted Extension Loft or dormer
Other householder applications
In Wandsworth
-
2026/0398 Granted
65 West Hill Road SW18 1LE
Erection of two, single-storey outbuildings (studio and garden/swimming pool room) ancillary to main house located in rear garden.
-
2025/4355 Granted
44 Endlesham Road SW12 8JL
Alterations including erection of side and rear roof extension to main rear roof and extension above part of two-storey back addition (with French doors and glazed safety screen). Installlation of solar panels to roof of extension.
-
2026/3027 Withdrawn
10 Gamlen Road SW15 1AB
Alterations including erection of a mansard extension (with French doors and safety railings) to the main rear roof, including raising the ridge by 100mm, installation of two rooflights to front roofslope, installation of a new pitched roof and patio doors to the existing single storey rear extension. Revisions to planning permission 2026/1990, to include reduction of rear extension rooflights from three to two; addition of one conservation rooflight to the front roof slope above the stairwell; and improvements to the front garden and boundary treatment, including a new brick boundary wall, planting, path and paving, cycle store, and external redecoration.
-
2026/3038 Withdrawn
43 Sistova Road SW12 9QR
Erection of 3m high timber boudary fence.
-
2026/3026 Withdrawn
6 Rockland Road SW15 2LN
Installation of UPVC double glazed sash windows.