23 Glebe Avenue, Mitcham, Merton, CR4 3DZ Data via plota.co.uk
Proposal
Application for a lawful development certificate in respect of the proposed erection of a single-storey rear extension, construction of a rear dormer roof extension, installation of a rooflight to the front roof slope; and removal of the existing external chimney stack. Data via plota.co.uk
Application progress
Approved on 6 Oct 2026 · Delegated · Last checked 6 Oct 2026
Documents 5
Decision & officer reports 2
Plans & drawings 2
Site constraints 3
Checked on 6 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 August 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
- Council
- Merton
- Application type
- Lawful Development Certificate - Proposed - Section 192
- Postcode
- CR4 3DZ
- Received
- 24 Aug 2026
- Validated
- 24 Aug 2026
- Ward
- Cricket Green
- Case officer
- Show
- Target decision
- 19 Oct 2026
- Decision
- Issue Certificate of Lawfulness
- Decision date
- 6 Oct 2026
- Decision level
- Delegated
- Applicant
- Show
- Agent
- Smyth Dixon Ltd
How this decision compares
Decided in 43 days from validation, 15 days faster than Merton's median of 58 for extensions. Approved, as 91% 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
- 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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23 Glebe Avenue, Mitcham, Merton, CR4 3DZ
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