21 Lime Grove Twickenham TW1 1EL Data via plota.co.uk
Proposal
Formation of rooms in an adapted roof space with a rear roof dormer, hip to gable and installation of roof lights to front roof slope Data via plota.co.uk
Application progress
Approved on 25 Aug 2026 · Delegated Decision · Last checked 26 Aug 2026
Site constraints 3
Checked on 11 September 2026. Historic England, the Environment Agency, Natural England 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.
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Important details
- Council
- Richmond upon Thames
- Application type
- Section 192 Permitted Development
- Postcode
- TW1 1EL
- Received
- 9 Jul 2026
- Validated
- 10 Jul 2026
- Ward
- St. Margarets & North Twickenham Ward [SMN]
- Case officer
- Show
- Target decision
- 3 Sept 2026
- Decision
- Granted Permission
- Decision date
- 25 Aug 2026
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- Courtleas Consulting Ltd
How this decision compares
Decided in 46 days from validation, about the council's usual 48 days. Approved, as 87% of extensions here are.
Plota live figures for extensions decided by Richmond upon Thames in the last twelve months, from validation. Richmond upon Thames decision record →
Consultation & key dates
- Alt. reference
- PP-15057404
Historical activity at this location
25 nearby applications on record - archival context, not part of the live application.
Nearby activity
Richmond upon Thames ranks #130 out of 296 councils for householder decision speed. Richmond upon Thames is also one of the strictest councils - it refuses more householder applications than almost any other, with only 82% approved vs 90% nationally.
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21 Lime Grove Twickenham TW1 1EL
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