20 Marham Gardens Wandsworth SW18 3JZ
Alterations including erection of hip to gable and rear mansard roof extensions; erection of single-storey rear/side extension.
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Progress
Application details
- Reference
- 2022/0511
- Local authority
- Wandsworth
- Postcode
- SW18 3JZ
- Ward
- Wandsworth Common
- Application type
- Householder
- Property type
- House
Key dates
- Submitted
- 24 Feb 2022
- Validated
- 24 Feb 2022
- Comments close
- 21 Mar 2022
- Target decision
- 21 Apr 2022
- Decided
- 14 Apr 2022
Estimated project value
£80k–£165k
Based on the 49.0m² of floor area stated in the application, at inner London rates (2026). Source: Checkatrade 2026, loft conversion £1,200-£2,500/m².
Floor area gained: 49m² · 1 additional bedrooms
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 MARHAM GARDENS, LONDON, SW18 3JZSemi-detached · £1,360,0006 months ago2 Mar 2026
- 3 MARHAM GARDENS, LONDON, SW18 3JZSemi-detached · £1,330,0008 months ago6 Jan 2026
- 10 MARHAM GARDENS, LONDON, SW18 3JZSemi-detached · £1,389,10811 months ago30 Sept 2025
- 7 MARHAM GARDENS, LONDON, SW18 3JZSemi-detached · £1,100,0002 years ago12 Jul 2024
- 21 MARHAM GARDENS, LONDON, SW18 3JZFlat or maisonette · £1,040,0002 years ago6 Oct 2023
- 5 MARHAM GARDENS, LONDON, SW18 3JZSemi-detached · £1,418,2354 years ago22 Jul 2022
- 20 MARHAM GARDENS, LONDON, SW18 3JZSemi-detached · £1,181,9004 years ago6 Jan 2022
- 11 MARHAM GARDENS, LONDON, SW18 3JZSemi-detached · £1,270,00011 years ago12 Jun 2015
Homes here go for about £1,300,000 — the median of the last 8 market sales in SW18 3JZ, £1,040,000 to £1,418,235.
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
- 30 Collamore Avenue Wandsworth SW18 3JTPermittedAdjoining
- 21 Marham Gardens Wandsworth SW18 3JZPermittedAdjoining
- 21 Marham Gardens Wandsworth SW18 3JZPermittedAdjoining
- 9 Lyminge Gardens Wandsworth SW18 3JSPermitted48 yd
- 9 Lyminge Gardens Wandsworth SW18 3JSPermitted48 yd
- 44 Collamore Avenue Wandsworth SW18 3JTPermitted53 yd