20 Dulwich Common London Borough of Southwark SE21 7EX
Demolition of existing single-storey rear addition and construction of a larger single-storey rear extension.
Tracking, tags and letters are part of the paid plan. See what it costs. Searching and reading any record stays free.
Progress
Application details
- Reference
- 25/AP/1900
- Local authority
- Southwark
- Postcode
- SE21 7EX
- Ward
- DUWO
- Application type
- Householder
- Property type
- House
Key dates
- Submitted
- 7 Aug 2025
- Validated
- 7 Aug 2025
- Target decision
- 1 Oct 2025
- Decided
- 22 Sept 2025
Estimated project value
£70k–£115k
Based on the 28.6m² 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: 28.59m²
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts.
- 12 DULWICH COMMON, LONDON, SE21 7EXDetached · £1,700,0007 months ago18 Mar 2026
- 20 DULWICH COMMON, LONDON, SE21 7EXTerraced · £1,435,0002 years ago18 Oct 2024
- 32 DULWICH COMMON, LONDON, SE21 7EXTerraced · £1,500,0003 years ago20 Oct 2023
- 10 DULWICH COMMON, LONDON, SE21 7EXSemi-detached · £1,775,0003 years ago1 Aug 2023
- 20 DULWICH COMMON, LONDON, SE21 7EXTerraced · £1,600,0003 years ago17 Nov 2022
- 4 DULWICH COMMON, LONDON, SE21 7EXDetached · £1,625,0006 years ago7 Aug 2020
- 26 DULWICH COMMON, LONDON, SE21 7EXSemi-detached · £1,100,0008 years ago21 Aug 2018
- 6 DULWICH COMMON, LONDON, SE21 7EXDetached · £1,190,0009 years ago5 Oct 2017
Homes here go for about £1,550,000 — the median of the last 8 market sales in SE21 7EX, £1,100,000 to £1,775,000.
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.
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