43 Mellison Road SW17 9AS Data via plota.co.uk
Proposal
Variation of condition 2 (in accordance with approved drawings) of planning permission dated 24/02/2025 ref (Alterations including erection of mansard roof extension (with increase in ridge height of 0.1m) to main rear roofslope, extension over two-storey back addition and roof terrace with 1.7m high screen in order to provide 1 x studio flat at second floor level. Works to include internal reconfiguration of first floor flat including alterations to fenestration and replacement of existing escape stair. Formation of a new secure bin and bike store in the front garden. (Revision of ).) to allow a external terrace to the rear with a 1.8m high privacy screen. Data via plota.co.uk
Application progress
Approved on 4 Jun 2026 · Delegated Standard · Last checked 31 Jul 2026
Associated applications 3
Part of
- Fullarchive
Conditions 2 varied
- VariationVariation of condition 2 (in accordance with approved drawings) of planning permission dated…This application2026/1337
Site constraints 5
Checked on 6 October 2026. The pin for this application is the centre of its postcode rather than the building, so distances to nearby designations are measured from the postcode and can be out by the width of the postcode area. Historic England, the Environment Agency, Natural England, Transport for London (public transport access levels, Powered by TfL Open Data, OGL v3.0, contains OS data © Crown copyright and database right 2025) and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.
Building
From the energy performance certificate lodged in January 2020, the latest held for this property, matched to this application by its address. The building may have changed since. View the certificate
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Important details
- Council
- Wandsworth
- Application type
- Variation of Condition
- Postcode
- SW17 9AS
- Received
- 7 Apr 2026
- Validated
- 30 Apr 2026
- Ward
- Tooting Broadway
- Case officer
- Show
- Decision
- Approve with Conditions CIL Liable
- Decision date
- 4 Jun 2026
- Decision level
- Delegated Standard
- Applicant
- Show
- Agent
- Campbell & Co Architects
How this decision compares
Decided in 35 days from validation, 13 days faster than Wandsworth's median of 48 for extensions. Approved, as 89% of extensions here are.
Plota live figures for extensions decided by Wandsworth in the last twelve months, from validation. Wandsworth decision record →
Consultation & key dates
- Comments by
- 21 May 2026
- Statutory expiry
- 4 Jun 2026
Historical activity at this location
28 previous applications on record - archival context, not part of the live application.
Previous applications at this address
Nearby activity
Wandsworth ranks #172 out of 296 councils for householder decision speed. Householder applications are slightly more likely to be approved here (92%) than the national average (90%).
Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.
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43 Mellison Road SW17 9AS
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Referenced application
Council archive
43 Mellison Road SW17 9AS
Alterations including erection of mansard roof extension (with increase in ridge height of 0.1m) to main rear roofslope, extension over two-storey back addition and roof terrace with 1.7m high screen in order to provide 1 x studio flat at second floor level. Works to include internal reconfiguration of first floor flat including alterations to fenestration and replacement of existing escape stair. Formation of a new secure bin and bike store in the front garden. (Revision of 2024/2829).
- Received
- 16 Dec 2024
- Decided
- 24 Feb 2025
- Outcome
- Approved
43 Mellison Road SW17 9AS
Alterations including erection of mansard roof extension (with increase in ridge height of 0.3m) to main rear roofslope, extension over two-storey back addition and roof terrace with 1.7m high screen in order to provide 1 x studio flat at second floor level. Works to include internal reconfiguration of first floor flat including alterations to fenestration and replacement of existing escape stair. Formation of a new secure bin and bike store in the front garden.
- Received
- 15 Aug 2024
- Decided
- 31 Oct 2024
- Outcome
- Refused