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PermittedDM2023/01568Submitted 2 years agoRear extension

22 Thornton Road London Borough of Sutton SM5 1NJ

Erection of a part one, part two storey front, side and rear extension, formation of a front entrance porch and provision of new boundary treatments.

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Progress

Submitted
20 Oct 2023
— completed
Validated
20 Oct 2023
— completed
Consultation
11 Dec 2023
— completed
Target date
15 Dec 2023
— completed
Decided
15 Dec 2023
— completed

Application details

Reference
DM2023/01568
Local authority
Sutton
Postcode
SM5 1NJ
Ward
E01
Application type
Householder
Property type
House

Key dates

Submitted
20 Oct 2023
Validated
20 Oct 2023
Comments close
11 Dec 2023
Target decision
15 Dec 2023
Decided
15 Dec 2023

Estimated project value

£130k–£220k

Based on the 58.5m² 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: 58.5m² · 2 additional bedrooms

Recently sold nearby

New owners, recently moved in. First work on a house usually follows within months of completing.

Homes here go for about £378,000 — the median of the last 8 market sales in SM5 1NJ, £205,000 to £498,000.

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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