W1K · South Street

21 South Street

W1K 2XB, City of Westminster. A leasehold terraced house.

sold 25 November 2025

The only sale of this house recorded since January 2023.

5th of 5terraced house sales on the street, by price

324 m²floor area, 3,488 sq ft

£10,800per m² at its last sale · £1,003 per sq ft

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The sales further down show what similar homes nearby sold for.

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Home Report

Everything about 21 South Street in one PDF

Things to check before you offer, every sale in W1K 2 in the last 12 months, crime, schools and stations.

Found for 21 South Street

sales near byin W1K 2, last 12 months

schoolsall within 2 km

energy certificatesside by side, with what's changed

years lefton the lease

On South Street

5th of 5

Terraced house sales since 2023, by price. The street's typical is £8,846,000.

This house

£3,500,000

Street typical

£8,846,000

Highest sale

£30,210,000

W1K by year

£8,500,000

Typical W1K terraced house in 2025, up 0.6% since 2023.

£8.45m2023

£6m2024

£8.5m2025

The house

From its energy certificate, Oct 2026.

Energy ratingC

Rooms10

HeatingGas boiler

WindowsPartly double

BuiltBefore 1900

Lease

A 58-year lease from 25 Dec 1982. 15 years were left when it sold in November 2025.

Today

25 Dec 198225 Dec 2040

Want the lease in detail? Check this house on Lease Length Check, free.

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Other sales on South Street

Flat 18, 51 · £8,600,000 15 · £8,845,534 43 · £12,500,000 Flat 21, 51 · £7,800,000 19 · £6,000,000 40 · £30,210,000 All of South Street