12 Hampton Close, Wimbledon, Merton, SW20 0RY Data via plota.co.uk
Proposal
Application for a lawful development certificate in respect of the proposed erection of a hip to gable and rear dormer roof extension, and add a garden shed. Data via plota.co.uk
Application progress
Under consideration
No decision has been issued yet. Plota predicts a decision between 22 Nov 2026 and 7 Dec 2026, from Merton's recent extensions.
Documents 5
Plans & drawings 4
Site constraints 4
Checked on 9 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 2021, the latest held for this property, matched to this application by its address. The building may have changed since. View the certificate
Every application in Merton - and every UK council - as a live feed, an API, or a bulk CSV export.
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Important details
Decision outlook
Day 21 of the 56-day target. Merton usually decides extensions by day 58.
Plota live figures for extensions decided by Merton in the last twelve months, from validation. Merton decision record →
Consultation & key dates
- Comments by
- 29 Oct 2026
- Statutory expiry
- 23 Nov 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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12 Hampton Close, Wimbledon, Merton, SW20 0RY
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Comments are open until 29 Oct 2026