79 Cavendish Avenue, New Malden, Surrey, Merton, KT3 6QJ Data via plota.co.uk
Proposal
Application for prior approval in respect of the proposed erection of a single storey rear extension with a depth of 6m, maximum height of 3m and eaves height of 2.65m. Data via plota.co.uk
Application progress
Refused on 7 Oct 2025 · Delegated · Last checked 18 Oct 2026
Documents 8
Decision & officer reports 2
Plans & drawings 5
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.
Sales history 2
Last sold for £216,500 in April 2003. 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 December 2018, 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
- Prior Approval - Larger Home Extension (6-8m) - Sch 2, Class A, Part 1
- Postcode
- KT3 6QJ
- Received
- 3 Sept 2025
- Validated
- 3 Sept 2025
- Ward
- West Barnes
- Parish
- Historic
- Case officer
- Show
- Target decision
- 14 Oct 2025
- Decision
- Prior Approval Refused
- Decision date
- 7 Oct 2025
- Decision level
- Delegated
- Appeal
- Dismissed · 27 Apr 2026 · Written Representations · Inspectorate case 6005572 ↗
- Applicant
- Show
- Agent
- M C S Design Architectural Services
How this decision compares
Decided in 34 days from validation, 22 days faster than Merton's median of 56 for extensions. Refused, as 10% 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
- Committee
- 7 Oct 2025
- Statutory expiry
- 14 Oct 2025
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.
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79 Cavendish Avenue, New Malden, Surrey, Merton, KT3 6QJ
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