166 Cannon Hill Lane, Raynes Park, Merton, SW20 9BY 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 2.895m and eaves height of 2.895m. Data via plota.co.uk
Application progress
Under consideration
No decision has been issued yet. Plota predicts a decision between 14 Dec 2026 and 24 Dec 2026, from Merton's recent extensions.
Documents 13
Plans & drawings 8
Application forms 2
Other documents 3
Site constraints 6
Checked on 27 October 2026. The pin for this application is the centre of its postcode rather than the building, so distances to nearby designations are measured from the postcode and can be out by the width of the postcode area. 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.
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186 Cannon Hill Lane, Raynes Park, Merton, SW20 9BY
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Important details
Decision outlook
Day 7 of the 56-day target. Merton usually decides extensions by day 56.
Plota live figures for extensions decided by Merton in the last twelve months, from validation. Merton decision record →
Consultation & key dates
- Comments by
- 16 Nov 2026
- Statutory expiry
- 2 Dec 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%).
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166 Cannon Hill Lane, Raynes Park, Merton, SW20 9BY
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Comments are open until 16 Nov 2026