7 Cobham Avenue, New Malden, Merton, KT3 6EP Data via plota.co.uk
Proposal
Application for a lawful development certificate in respect of the proposed erection of a hip to gable, rear dormer roof extension and 2 front rooflights Data via plota.co.uk
Application progress
Approved on 29 Sept 2026 · Delegated · Last checked 30 Sept 2026
Documents 12
Decision & officer reports 2
Statements & assessments 2
Plans & drawings 6
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.
Sales history 3
Last sold for £525,000 in November 2025. Terraced house, freehold.
Sale prices from HM Land Registry's price paid record, matched to this application by its address.
Building
From the energy performance certificate lodged in January 2025, 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
- Council
- Merton
- Application type
- Lawful Development Certificate - Proposed - Section 192
- Postcode
- KT3 6EP
- Received
- 14 Aug 2026
- Validated
- 14 Aug 2026
- Ward
- West Barnes
- Case officer
- Show
- Target decision
- 9 Oct 2026
- Decision
- Issue Certificate of Lawfulness
- Decision date
- 29 Sept 2026
- Decision level
- Delegated
- Applicant
- Show
- Agent
- Subsatchi
- Freehold owner
- Show
How this decision compares
Decided in 46 days from validation, 10 days faster 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
- Statutory expiry
- 9 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%).
Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
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.
Freehold owner: Information produced by HM Land Registry. © Crown copyright 2026. Source: HM Land Registry, UK and overseas companies that own property in England and Wales, September 2026 release.
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7 Cobham Avenue, New Malden, Merton, KT3 6EP
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Freehold owner, on paid plans
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