House Price Monitor

SW1X · William Street

All 6 sales on William Street

Apartment 7, 1 William Street

SW1X 9HL, Kensington and Chelsea. A leasehold flat.

sold 12 March 2024

The only sale of this flat recorded since January 2023.

4th of 6flat sales on the street, by price
+44%above the typical SW1X flat
62%of SW1X flats sold for less

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Home Report

Everything about Apartment 7, 1 William Street in one PDF

Things to check before you offer, every sale in SW1X 9 in the last 12 months, crime, schools and stations.

Found for Apartment 7, 1 William Street

sales near byin SW1X 9, last 12 months
schoolsall within 1.5 km
years lefton the lease
stationsnearest 170 m
See a sample report

Against SW1X

+£813,654

Above the typical SW1X flat, £1,836,000, Sep 2025 to Aug 2026.

On William Street

4th of 6

Flat sales since 2023, by price. The street's typical is £8,925,000.

This flat
£2,650,000
Street typical
£8,925,000
Highest sale
£23,250,000

SW1X by year

£1,550,000

Typical SW1X flat in 2026 so far, down 42.9% since 2023.

£2.71m2023
£2.35m2024
£2.05m2025
£1.55m2026

Resold in SW1X

9 of 11 up

SW1X flats sold twice since 2023. Typical change +59.0%.

9 sold for more2 sold for less

Lease

A 999-year lease from 1 Jan 2022. 996 years were left when it sold in March 2024.

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