11 Somerset Avenue Chessington KT9 1PW Data via plota.co.uk
Proposal
Erection of hip to gable roof extension with rear dormer and installation of 3nos front rooflights. Data via plota.co.uk
Application progress
This application is under consideration - no decision has been issued yet. Plota predicts a decision around 11 Oct 2026, from Kingston upon Thames's recent extensions.
Documents 8
Plans & drawings 7
Application forms 1
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.
Every application in Kingston upon Thames - and every UK council - as a live feed, an API, or a bulk CSV export.
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Important details
- Council
- Kingston upon Thames
- Application type
- Cert of Lawful Use/Operation - Proposed
- Postcode
- KT9 1PW
- Received
- 17 Aug 2026
- Validated
- 17 Aug 2026
- Ward
- Hook & Chessington North
- Parish
- South Of The Borough
- Case officer
- Show
- Target decision
- 12 Oct 2026
- Applicant
- Show
- Agent
- Other Tricon Design
Decision outlook
Day 28 of the 56-day target. Kingston upon Thames usually decides extensions by day 55.
Plota live figures for extensions decided by Kingston upon Thames in the last twelve months, from validation. Kingston upon Thames decision record →
Public comments
No public comments yet.
Last counted 5 Sept 2026
Consultation & key dates
- Alt. reference
- PP-15161731
- Env. assessment
- No
Historical activity at this location
22 nearby applications on record - archival context, not part of the live application.
Nearby activity
Kingston upon Thames is faster than most councils at deciding householder applications, ranking #33 out of 296. Only 20% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Kingston 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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11 Somerset Avenue Chessington KT9 1PW
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