12 Queen Mary Avenue Merton SM4 4JR
CONVERSION OF EXISTING DETACHED GARAGE INTO AN ANNEX ANCILLARY TO THE MAIN DWELLINGHOUSE
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Progress
Application details
- Reference
- 25/P0065
- Local authority
- Merton
- Postcode
- SM4 4JR
- Ward
- Lower Morden
- Application type
- Householder
- Property type
- House
Key dates
- Submitted
- 14 Apr 2025
- Validated
- 14 Apr 2025
- Comments close
- 16 May 2025
- Target decision
- 1 Aug 2025
- Decided
- 29 Jul 2025
Estimated project value
£61k–£100k
Based on the 27.0m² of floor area stated in the application, at outer London rates (2026). Source: trade estimate, annexe £1,800-£3,000/m².
Floor area gained: 27m² · 1 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.
- 4 QUEEN MARY AVENUE, MORDEN, SM4 4JRSemi-detached · £600,00012 months ago18 Aug 2025
- 34 QUEEN MARY AVENUE, MORDEN, SM4 4JRTerraced · £870,00014 months ago7 Jul 2025
- 34 QUEEN MARY AVENUE, MORDEN, SM4 4JRTerraced · £835,0003 years ago3 Nov 2022
- 24 QUEEN MARY AVENUE, MORDEN, SM4 4JRTerraced · £535,0004 years ago14 Jan 2022
- 12 QUEEN MARY AVENUE, MORDEN, SM4 4JRTerraced · £696,0005 years ago2 Sept 2021
- 22 QUEEN MARY AVENUE, MORDEN, SM4 4JRTerraced · £517,5005 years ago11 Feb 2021
- 26 QUEEN MARY AVENUE, MORDEN, SM4 4JRTerraced · £498,0006 years ago7 Aug 2020
- 28 QUEEN MARY AVENUE, MORDEN, SM4 4JRTerraced · £528,0007 years ago31 May 2019
Homes here go for about £567,500 — the median of the last 8 market sales in SM4 4JR, £498,000 to £870,000.
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.
Nearby applications
- 20 Queen Mary Avenue Merton SM4 4JRPermittedAdjoining
- 26 Queen Mary Avenue Merton SM4 4JRPermitted56 yd
- 26 Queen Mary Avenue Merton SM4 4JRPending56 yd
- Cannon Hill Lane MertonPermitted61 yd
- 449 Cannon Hill Lane Merton SW20 9HHRefused63 yd
- 28 Queen Mary Avenue Merton SM4 4JRPermitted64 yd