21 South Street Westminster W1K 2XB
Part demolition and re-build of existing side infill extension, lowering of existing roof terrace at first floor level and installation of new double door to north flank facade.
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
- 20/06583/FULL
- Local authority
- Westminster
- Postcode
- W1K 2XB
- Ward
- WEC_02
- Application type
- All Other
- Property type
- House
Key dates
- Submitted
- 17 Oct 2020
- Validated
- 17 Oct 2020
- Comments close
- 18 Nov 2020
- Target decision
- 12 Dec 2020
- Decided
- 13 Apr 2021
Estimated project value
£4k–£34k
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: trade estimate.
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 2 recent sales are listed below.
- 15 SOUTH STREET, LONDON, W1K 2XBTerraced · Not a standard market sale · £8,845,53411 months ago25 Nov 2025
- 21 SOUTH STREET, LONDON, W1K 2XBTerraced · Leasehold · Not a standard market sale · £3,500,00011 months ago25 Nov 2025
- 19 SOUTH STREET, LONDON, W1K 2XBTerraced · Not a standard market sale · £6,000,0002 years ago13 Sept 2024
- 15 SOUTH STREET, LONDON, W1K 2XBTerraced · Not a standard market sale · £2,086,0004 years ago31 Aug 2022
- 19 SOUTH STREET, LONDON, W1K 2XBTerraced · £4,750,0006 years ago24 Jul 2020
- 17 SOUTH STREET, LONDON, W1K 2XBTerraced · £317,10028 years ago22 May 1998
- 17 SOUTH STREET, LONDON, W1K 2XBTerraced · Leasehold · £775,00028 years ago17 Apr 1998
- 15 SOUTH STREET, LONDON, W1K 2XBTerraced · Leasehold · New build · £475,00031 years ago17 Aug 1995
Homes here go for about £625,000 — the median of the last 4 market sales in W1K 2XB, £317,100 to £4,750,000.
Contains HM Land Registry data © Crown copyright and database right 2025. 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
- 19 South Street Westminster W1K 2XBWithdrawnNext door
- 19 South Street Westminster W1K 2XBWithdrawnNext door
- 19 South Street Westminster W1K 2XBPermittedNext door
- 19 South Street Westminster W1K 2XBPendingNext door
- 19 South Street Westminster W1K 2XBPermittedNext door
- 12 Rex Place Westminster W1K 2HBRefusedNext door