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RefusedDM2026/00265Submitted 6 months agoRear extension

21 St James Avenue Sutton SM1 2TQ

Prior Approval for a single storey rear extension projecting from the rear of the original house by 6m.

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Progress

Submitted
3 Mar 2026
— completed
Validated
3 Mar 2026
— completed
Consultation
—
— completed
Target date
14 Apr 2026
— completed
Decided
7 Apr 2026
— completed

Application details

Reference
DM2026/00265
Local authority
Sutton
Postcode
SM1 2TQ
Ward
Sutton West & East Cheam
Application type
Prior Approval
Property type
House

Key dates

Submitted
3 Mar 2026
Validated
3 Mar 2026
Target decision
14 Apr 2026
Decided
7 Apr 2026

Estimated project value

£23k–£38k

Based on the 10.0m² of floor area stated in the application, at outer London rates (2026). Source: FMB / Checkatrade 2026, single-storey extension £1,800-£3,000/m².

Floor area gained: 10m²

Recently sold nearby

Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 2 recent sales are listed below.

Homes here go for about £559,000 — the median of the last 7 market sales in SM1 2TQ, £205,000 to £645,000.

Contains HM Land Registry data © Crown copyright and database right 2025. 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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