Richmond upon Thames
Richmond upon Thames/PA25/4349
12 St Marys Grove Richmond TW9 1UY
- Reference
- Richmond upon Thames/PA25/4349
- Authority
- Richmond upon Thames
- Application type
- Householder Application
- Address
- 12 St Marys Grove Richmond TW9 1UY
- Postcode
- TW9 1UY
- Status
- Decided
- Decision
- Granted Permission
- Received
- 5 Dec 2025
- Validated
- 15 Dec 2025
- Started
- 15 Dec 2025
- Decided
- 4 Feb 2026
- Source council
- Richmond upon Thames
- Council source record
- View public record
- Public data licence
- Open Government Licence v3.0
- Record updated
- 18 Jul 2026
- SEO index generated
- 24 Jul 2026
Location
Approximate location
Proposal
Erection of a rear single storey extension. Replacement of existing single glazed timber windows with double glazed timber windows Replacement of the existing Welsh slate roof covering with new Spanish slate to match the existing appearance
Key dates
- Received 5 Dec 2025
- Validated 15 Dec 2025
- Started 15 Dec 2025
- Decided 4 Feb 2026
Planning history / related applications
No related planning applications have been identified in the current public OGL dataset.
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- Viability & build potential Site scoring and development upside.
- Constraints Flood risk, green belt, conservation areas and designations.
- Approval signal Planning risk and approval-likelihood analysis.
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Source: public planning application data from Richmond upon Thames, reused under the Open Government Licence v3.0. View the council source record. Council documents and drawings are not republished on plotEdge.