5 Durnsford Avenue, Wimbledon, Merton, SW19 8BH Data via plota.co.uk
Proposal
Application for a mansard roof extension to the rear, comprising two rear-facing dormer windows and one side-facing dormer window; raising of the rear brickwork line; installation of two velux rooflights to the front roof slope and one fixed flat rooflight within the main roof over the hallway; installation of an external air-conditioning unit on the side elevation of the first – floor outrigger ; and associated internal alterations Data via plota.co.uk
Application progress
Under consideration
No decision has been issued yet. Plota predicts a decision between 13 Dec 2026 and 23 Dec 2026, from Merton's recent extensions.
Documents 11
Statements & assessments 2
Plans & drawings 3
Application forms 2
Other documents 4
Site constraints 4
Checked on 28 October 2026. Historic England, the Environment Agency, Natural England, the Planning Inspectorate, 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.
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Important details
Decision outlook
Day 9 of the 56-day target. Merton usually decides extensions by day 56.
Plota live figures for extensions decided by Merton in the last twelve months, from validation. Merton decision record →
Consultation & key dates
- Comments by
- 17 Nov 2026
- Statutory expiry
- 15 Dec 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%).
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5 Durnsford Avenue, Wimbledon, Merton, SW19 8BH
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