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PermittedDM2026/00321Submitted 5 months agoLoft conversion

21 St James Avenue Sutton SM1 2TQ

Erection of a part one, part two storey rear extension involving relocation of the entrance. Conversion of loft space involving alterations to existing roofline, a dormer extension at rear and rooflights to front roofslope.

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Progress

Submitted
19 Mar 2026
— completed
Validated
19 Mar 2026
— completed
Consultation
—
— completed
Target date
14 May 2026
— completed
Decided
29 Jun 2026
— completed

Application details

Reference
DM2026/00321
Local authority
Sutton
Postcode
SM1 2TQ
Ward
Sutton West & East Cheam
Application type
All Other
Property type
House

Key dates

Submitted
19 Mar 2026
Validated
19 Mar 2026
Target decision
14 May 2026
Decided
29 Jun 2026

Estimated project value

£72k–£150k

Based on the 48.0m² of floor area stated in the application, at outer London rates (2026). Source: Checkatrade 2026, loft conversion £1,200-£2,500/m².

Floor area gained: 48m² · 2 additional bedrooms

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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