143 Whatley Avenue Merton SW20 9NT
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 5 M. THE MAXIMUM HEIGHT OF THE ENLARGED PART OF THE DWELLINGHOUSE WILL BE 3 M. THE HEIGHT OF THE EAVES OF THE ENLARGED PART OF THE DWELLINGHOUSE WILL BE 3 M.
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Progress
Application details
- Reference
- 23/P2444
- Local authority
- Merton
- Postcode
- SW20 9NT
- Ward
- Cannon Hill
- Application type
- Prior Approval
- Property type
- House
Key dates
- Submitted
- 7 Sept 2023
- Validated
- 7 Sept 2023
- Comments close
- 5 Oct 2023
- Target decision
- 18 Oct 2023
- Decided
- 10 Oct 2023
Estimated project value
£53k–£89k
Based on the 21.8m² of floor area stated in the application, at inner London rates (2026). Source: FMB / Checkatrade 2026, single-storey extension £1,800-£3,000/m².
Floor area gained: 21.82m²
Recently sold nearby
New owners, recently moved in. First work on a house usually follows within months of completing.
- 151 WHATLEY AVENUE, LONDON, SW20 9NTSemi-detached · £585,0003 months ago21 Jul 2026
- 111 WHATLEY AVENUE, LONDON, SW20 9NTTerraced · £565,0002 years ago12 Jul 2024
- 161 WHATLEY AVENUE, LONDON, SW20 9NTSemi-detached · £650,0003 years ago16 Aug 2023
- 133 WHATLEY AVENUE, LONDON, SW20 9NTTerraced · £500,0004 years ago17 Aug 2022
- 133 WHATLEY AVENUE, LONDON, SW20 9NTTerraced · Not a standard market sale · £480,0004 years ago17 Aug 2022
- 107 WHATLEY AVENUE, LONDON, SW20 9NTTerraced · £515,0005 years ago25 May 2021
- 143 WHATLEY AVENUE, LONDON, SW20 9NTTerraced · £615,0005 years ago25 May 2021
- 93 WHATLEY AVENUE, LONDON, SW20 9NTSemi-detached · £580,0006 years ago24 Jul 2020
Homes here go for about £580,000 — the median of the last 7 market sales in SW20 9NT, £500,000 to £650,000.
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
- 143 Whatley Avenue Merton SW20 9NTRefusedNext door
- 143 Whatley Avenue Merton SW20 9NTRefusedNext door
- Whatley Avenue Merton SW20 9NTPendingAdjoining
- 131 Whatley Avenue Merton SW20 9NTPermittedAdjoining
- 125 Whatley Avenue Merton SW20 9NTPending57 yd
- 125 Whatley Avenue Merton SW20 9NTPermitted57 yd