21 Cannon Hill Lane Merton SW20 9EN
ERECTION OF A HIP TO GABLE EXTENSION AND AN 'L' SHAPED REAR ROOF EXTENSION.
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Progress
Application details
- Reference
- 20/P2800
- Local authority
- Merton
- Postcode
- SW20 9EN
- Ward
- Merton Park_histroic
- Application type
- Householder
- Property type
- House
Key dates
- Submitted
- 7 Sept 2020
- Validated
- 7 Sept 2020
- Comments close
- 26 Oct 2020
- Target decision
- 2 Nov 2020
- Decided
- 2 Nov 2020
Estimated project value
£37k–£100k
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: Checkatrade 2026 loft conversion cost guide.
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 3 recent sales are listed below.
- 11 CANNON HILL LANE, LONDON, SW20 9ENTerraced · £900,0006 months ago20 Feb 2026
- 5 CANNON HILL LANE, LONDON, SW20 9ENTerraced · £685,2509 months ago2 Dec 2025
- 15 CANNON HILL LANE, LONDON, SW20 9ENTerraced · £982,00013 months ago31 Jul 2025
- 9 CANNON HILL LANE, LONDON, SW20 9ENTerraced · Not a standard market sale · £690,0002 years ago2 Oct 2023
- 13 CANNON HILL LANE, LONDON, SW20 9ENSemi-detached · £1,030,0004 years ago3 Dec 2021
- 1 CANNON HILL LANE, LONDON, SW20 9ENTerraced · £720,0005 years ago16 Mar 2021
- 21 CANNON HILL LANE, LONDON, SW20 9ENSemi-detached · £795,0006 years ago3 Apr 2020
- 3 CANNON HILL LANE, LONDON, SW20 9ENTerraced · £625,0007 years ago12 Apr 2019
Homes here go for about £795,000 — the median of the last 7 market sales in SW20 9EN, £625,000 to £1,030,000.
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
- 21 Cannon Hill Lane Merton SW20 9ENPermittedNext door
- 2 Cleveland Avenue Merton SW20 9EWPermittedNext door
- 13 Cannon Hill Lane Merton SW20 9ENPermittedAdjoining
- 10 Cleveland Avenue Merton SW20 9EWPermittedAdjoining
- Cleveland Avenue Merton SW20 9EWPermitted46 yd
- 12 Cleveland Avenue Merton SW20 9EWRefused47 yd