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Permitted25/P0615Submitted over a year agoRear extension

188 Cannon Hill Lane Merton SW20 9BY

APPLICATION FOR PRIOR APPROVAL IN RESPECT OF THE PROPOSED ERECTION OF A SINGLE STOREY REAR EXTENSION WITH A DEPTH OF 6M, MAXIMUM HEIGHT OF 3M AND EAVES HEIGHT OF 3M.

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Progress

Submitted
4 Mar 2025
— completed
Validated
4 Mar 2025
— completed
Consultation
29 Mar 2025
— completed
Target date
14 Apr 2025
— completed
Decided
14 Apr 2025
— completed

Application details

Reference
25/P0615
Local authority
Merton
Postcode
SW20 9BY
Ward
Cannon Hill
Application type
Prior Approval
Property type
House

Key dates

Submitted
4 Mar 2025
Validated
4 Mar 2025
Comments close
29 Mar 2025
Target decision
14 Apr 2025
Decided
14 Apr 2025

Estimated project value

£42k–£70k

Based on the 17.3m² of floor area stated in the application, at inner London rates (2026). Source: FMB / Checkatrade 2026, single-storey extension £1,800-£3,000/m².

Floor area gained: 17.29

Recently sold nearby

New owners, recently moved in. First work on a house usually follows within months of completing. 5 recent sales are listed below.

Homes here go for about £600,000 — the median of the last 7 market sales in SW20 9BY, £550,000 to £875,000.

Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0. Sales are matched by postcode, not by property, so a sale listed here may be a neighbouring address. England and Wales only.

Planning constraints

No designations recorded at this location. This is not a formal search — always confirm with the local authority before relying on it.

Designations from planning.data.gov.uk, Open Government Licence v3.0. Indicative only — not a formal local authority search.

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