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RefusedDM2021/00318Submitted 5 years agoLoft conversion

42 Blenheim Road London Borough of Sutton SM1 2PX

Application to vary condition 1 (approved drawings) of planning permission Ref: DM2020/00014 for the 'Erection of a detached two storey building with roof accommodation comprising 2 self-contained flats and provision of new parking bays with access from Blenheim Road, refuse and cycle storage and associated landscaping' to allow for the erection of an additional rear dormer extension and alteration to rear roofline, installation of a rooflight to front roofslope, installation of windows to flank at first floor and second floor, alteration to front fenestration and removal of two rooflights to rear and one to flank.

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Progress

Submitted
18 Feb 2021
— completed
Validated
18 Feb 2021
— completed
Consultation
22 Mar 2021
— completed
Target date
15 Apr 2021
— completed
Decided
15 Apr 2021
— completed

Application details

Reference
DM2021/00318
Local authority
Sutton
Postcode
SM1 2PX
Ward
B05
Application type
All Other
Property type
Flat

Key dates

Submitted
18 Feb 2021
Validated
18 Feb 2021
Comments close
22 Mar 2021
Target decision
15 Apr 2021
Decided
15 Apr 2021

Estimated project value

£35k–£94k

Typical UK cost for this job type, at outer London rates (2026). Estimated from the proposal description — planning applications do not state build cost. Source: Checkatrade 2026 loft conversion cost guide.

Recently sold nearby

New owners, recently moved in. First work on a house usually follows within months of completing. 3 recent sales are listed below.

Homes here go for about £506,000 — the median of the last 8 market sales in SM1 2PX, £441,000 to £725,000.

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.

Nearby applications