175 West Barnes Lane, New Malden, Surrey, Merton, KT3 6HR 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 3.2m and eaves height of 3m. Data via plota.co.uk
Application progress
Approved on 28 Sept 2026 · Delegated · Last checked 1 Oct 2026
Documents 7
Decision & officer reports 2
Application forms 1
Other documents 4
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 1
Last sold for £610,000 in January 2022. Semi-detached 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 June 2021, 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 6HR
- Received
- 27 Jul 2026
- Validated
- 27 Jul 2026
- Ward
- West Barnes
- Case officer
- Show
- Target decision
- 28 Sept 2026
- Decision
- Prior Approval Not Required
- Decision date
- 28 Sept 2026
- Decision level
- Delegated
- Applicant
- Show
- Agent
- GJB Designs UK
How this decision compares
Decided in 63 days from validation, 7 days slower 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
- 28 Sept 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.
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175 West Barnes Lane, New Malden, Surrey, Merton, KT3 6HR
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