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RefusedDM2023/00035Submitted 3 years agoLoft conversion

50 Walton Avenue London Borough of Sutton SM3 9UB

Erection of a single storey rear extension, conversion of loft space involving alterations to existing roofline, hip to gable with a dormer extension at rear, a window to flank roofslope and rooflights to front roofslope.

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Progress

Submitted
18 Jan 2023
— completed
Validated
18 Jan 2023
— completed
Consultation
— completed
Target date
15 Mar 2023
— completed
Decided
20 Feb 2023
— completed

Application details

Reference
DM2023/00035
Local authority
Sutton
Postcode
SM3 9UB
Ward
W03
Application type
Householder
Property type
House

Key dates

Submitted
18 Jan 2023
Validated
18 Jan 2023
Target decision
15 Mar 2023
Decided
20 Feb 2023

Estimated project value

£74k–£155k

Based on the 49.0m² 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: 49 · 1 additional bedrooms

Recently sold nearby

New owners, recently moved in. First work on a house usually follows within months of completing. 2 recent sales are listed below.

Homes here go for about £467,500 — the median of the last 8 market sales in SM3 9UB, £375,000 to £750,000.

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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