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PermittedDM2023/01212Submitted 3 years agoLoft conversion

12 Priory Avenue London Borough of Sutton SM3 8LX

Erection of a single storey front extension, a single storey rear extension with raised deck and steps to rear, conversion of garage into habitable room, a dormer extension at rear and rooflights to front roofslope.

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Progress

Submitted
31 Aug 2023
— completed
Validated
31 Aug 2023
— completed
Consultation
— completed
Target date
26 Oct 2023
— completed
Decided
13 Oct 2023
— completed

Application details

Reference
DM2023/01212
Local authority
Sutton
Postcode
SM3 8LX
Ward
W03
Application type
Householder
Property type
House

Key dates

Submitted
31 Aug 2023
Validated
31 Aug 2023
Target decision
26 Oct 2023
Decided
13 Oct 2023

Estimated project value

£67k–£140k

Based on the 44.6m² 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: 44.6 · 1 additional bedrooms

Recently sold nearby

Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts.

Homes here go for about £686,250 — the median of the last 8 market sales in SM3 8LX, £561,000 to £900,000.

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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