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Permitted20/P2867Submitted 5 years agoLoft conversion

378A Grove Road Merton CR4 1AB

ERECTION OF A THREE STOREY END OF TERRACE BUILDING, WITH FRONT, SIDE AND REAR ROOF DORMERS, COMPRISING RETAIL USE (CLASS A1) AT GROUND FLOOR AND 1 x SELF CONTAINED 2B UNIT ON FIRST AND SECOND FLOORS (CLASS C3). EXTENSION TO THE MAIN BUILDING 378 GROVE ROAD, COMPRISING A HIP TO GABLE ROOF CONVERSION, ERECTION OF REAR DORMER AND EXTENSION OF EXISTING FRONT DORMER.

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Progress

Submitted
12 Oct 2020
— completed
Validated
12 Oct 2020
— completed
Consultation
5 Nov 2020
— completed
Target date
10 Sept 2021
— completed
Decided
10 Sept 2021
— completed

Application details

Reference
20/P2867
Local authority
Merton
Postcode
CR4 1AB
Ward
Longthornton_historic
Application type
All Other
Property type
Commercial

Key dates

Submitted
12 Oct 2020
Validated
12 Oct 2020
Comments close
5 Nov 2020
Target decision
10 Sept 2021
Decided
10 Sept 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

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

Homes here go for about £465,000 — the median of the last 8 market sales in CR4 1AB, £249,000 to £575,000.

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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