70 Dundonald Road, Wimbledon, Merton, SW19 3PH Data via plota.co.uk
Proposal
Erection of a single storey rear and side extension and erection of rear dormer roof extension above outrigger Data via plota.co.uk
Application progress
Approved on 19 Oct 2026 · Delegated · Last checked 20 Oct 2026
Documents 5
Decision & officer reports 1
Statements & assessments 1
Plans & drawings 2
Site constraints 4
Checked on 17 October 2026. 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 June 2025, 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
How this decision compares
Decided in 108 days from validation, 52 days slower than Merton's median of 56 for extensions. Approved, as 90% of extensions here are.
Plota live figures for extensions decided by Merton in the last twelve months, from validation. Merton decision record →
Consultation & key dates
- Comments by
- 25 Aug 2026
- Statutory expiry
- 19 Oct 2026
Historical activity at this location
25 nearby applications on record - archival context, not part of the live application.
Nearby activity
Merton ranks #196 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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70 Dundonald Road, Wimbledon, Merton, SW19 3PH
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