21 Somerset Avenue Merton SW20 0BJ
APPLICATION FOR PRIOR APPROVAL IN RESPECT OF THE PROPOSED ERECTION OF A SINGLE STOREY REAR EXTENSION WITH THE FOLLOWING DIMENSIONS: EXTENDS BEYOND THE REAR WALL OF THE ORIGINAL DWELLINGHOUSE BY 6 METRES. THE MAXIMUM HEIGHT OF THE ENLARGED PART OF THE DWELLINGHOUSE WILL BE 4 METRES. THE HEIGHT OF THE EAVES OF THE ENLARGED PART OF THE DWELLINGHOUSE WILL BE 3 METRES.
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Progress
Application details
- Reference
- 19/P1389
- Local authority
- Merton
- Postcode
- SW20 0BJ
- Ward
- Raynes Park_histroic
- Application type
- Prior Approval
- Property type
- House
Key dates
- Submitted
- 8 Apr 2019
- Validated
- 8 Apr 2019
- Comments close
- 29 Apr 2019
- Target decision
- 17 May 2019
- Decided
- 14 May 2019
Estimated project value
£41k–£75k
Typical UK cost for this job type, at inner London rates (2026). Estimated from the proposal description — planning applications do not state build cost. Source: MyJobQuote / Checkatrade 2026, ~20m² at £1,800-£3,000/m².
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 3 recent sales are listed below.
- 19 SOMERSET AVENUE, LONDON, SW20 0BJSemi-detached · £1,200,0007 months ago13 Mar 2026
- 23 SOMERSET AVENUE, LONDON, SW20 0BJSemi-detached · £1,200,00013 months ago24 Sept 2025
- 8B SOMERSET AVENUE, LONDON, SW20 0BJFlat or maisonette · Leasehold · £497,00014 months ago15 Aug 2025
- 11 SOMERSET AVENUE, LONDON, SW20 0BJSemi-detached · £840,0002 years ago2 Aug 2024
- 38 SOMERSET AVENUE, LONDON, SW20 0BJSemi-detached · £1,090,0002 years ago7 May 2024
- 18 SOMERSET AVENUE, LONDON, SW20 0BJSemi-detached · £1,110,0002 years ago8 Dec 2023
- 3 SOMERSET AVENUE, LONDON, SW20 0BJSemi-detached · £1,353,2004 years ago7 Oct 2022
- 17 SOMERSET AVENUE, LONDON, SW20 0BJSemi-detached · £885,0005 years ago28 Jun 2021
Homes here go for about £1,100,000 — the median of the last 8 market sales in SW20 0BJ, £497,000 to £1,353,200.
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
- 21 Somerset Avenue Merton SW20 0BJPermittedNext door
- 23 Somerset Avenue Merton SW20 0BJPermittedNext door
- 25 Somerset Avenue Merton SW20 0BJPermittedNext door
- 31 Somerset Avenue Merton SW20 0BJPermittedAdjoining
- 36 Somerset Avenue Merton SW20 0BJPermitted54 yd
- 16 Somerset Avenue Merton SW20 0BJPermitted70 yd