William Street House, William Street - SW1X 9HH
Key Building Insights
William Street House, William Street is a residential building situated on William Street, London, SW1 with 9 addresses.
It ranks as the 2263rd largest and 2294th most expensive of the 2,974 buildings in the SW1X area. The most common property type is a period flat built between 1800 and 1911.
The building contains a total of 9 properties: 9 flats.
- Ave. Sale Price
- £1,284,426
- 10 Year change
- down 12.0%
- Ave. Rental Price
- £5,390pcm
- 10 Year change
- up 42.9%
- Ave. £ per ft²
- £633/ft²
- Ave. Gross Yield
- 5.0%/year/yr
Key Building Insights
William Street House, William Street is a residential building situated on William Street, London, SW1 with 9 addresses.
It ranks as the 2263rd largest and 2294th most expensive of the 2,974 buildings in the SW1X area. The most common property type is a period flat built between 1800 and 1911.
The building contains a total of 9 properties: 9 flats.
- Ave. Sale Price
- £1,284,426
- 10 Year change
- down 12.0%
- Ave. Rental Price
- £5,390pcm
- 10 Year change
- up 42.9%
- Ave. £ per ft²
- £633/ft²
- Ave. Gross Yield
- 5.0%/year/yr
Explore Propertieson William Street, London, SW1
- Flat 1 William Street House
3 Bed Period Flat
- Flat 2 William Street House
3 Bed Period Flat
- Flat 3 William Street House
3 Bed Period Flat
- Flat 4 William Street House
Unknown
- Flat 5 William Street House
3 Bed Period Flat
Sales Market Trends
The last sale in William Street House, William Street sold for £1,850,000 on 16th August 2004. Since then prices are down an average of 0.0%.
The current average value in the building is £1,284,426.
The William Street House, William Street Sales Market has decreased by 12.0% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 0.2% | £1,284,426 |
| June 2025 | -2.3% | £1,282,271 |
| June 2024 | -2.9% | £1,312,962 |
| June 2023 | 1.1% | £1,352,306 |
| June 2022 | 3.6% | £1,337,059 |
| June 2021 | -4.1% | £1,291,107 |
| June 2020 | 2.4% | £1,346,286 |
| June 2019 | -3.4% | £1,314,425 |
| June 2018 | -4.6% | £1,360,610 |
| June 2017 | -2.2% | £1,426,561 |
| June 2016 | -3.1% | £1,459,223 |
| June 2015 | -0.3% | £1,506,370 |
| June 2014 | 12.6% | £1,510,833 |
| June 2013 | 10.9% | £1,341,373 |
| June 2012 | 16.1% | £1,209,618 |
| June 2011 | 11.6% | £1,041,957 |
| June 2010 | 12.6% | £933,912 |
| June 2009 | -6.4% | £829,459 |
| June 2008 | 15.1% | £886,518 |
| June 2007 | 0% | £770,208 |
Rental Market Trends
The current average rental value in the building is £5,390.
The William Street House, William Street Rental Market has increased by 42.9% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 9% | £5,390pcm |
| June 2025 | 3.9% | £4,944pcm |
| June 2024 | -0.3% | £4,757pcm |
| June 2023 | 13.8% | £4,771pcm |
| June 2022 | 24.7% | £4,191pcm |
| June 2021 | -8% | £3,362pcm |
| June 2020 | -5.1% | £3,653pcm |
| June 2019 | 2% | £3,850pcm |
| June 2018 | 0.8% | £3,774pcm |
| June 2017 | -0.8% | £3,743pcm |
| June 2016 | -3.6% | £3,772pcm |
| June 2015 | -2% | £3,914pcm |
| June 2014 | 0.7% | £3,994pcm |
| June 2013 | -0.6% | £3,965pcm |
| June 2012 | 4.5% | £3,990pcm |
| June 2011 | 13% | £3,819pcm |
| June 2010 | 10% | £3,381pcm |
| June 2009 | -10.6% | £3,075pcm |
| June 2008 | 11.1% | £3,438pcm |
| June 2007 | 0% | £3,094pcm |
Sales History
The last sale was on 16th August 2004 for £1,850,000 and since then the market in the area has remained stable. The building has had a total of 4 sales since 1995.
William Street House, William Street, London, SW1 has seen no sales in the last three years and no sales in the last twelve months.
- Sold Aug 2004£1,850,000 | 3 Bed FlatFlat 5, William Street House, William Street, London, SW1X 9HHFlat 5, William Street House, William Street, London, SW1X 9HH
- Sold Jul 2002£1,250,000 | 3 Bed FlatFlat 5, William Street House, William Street, London, SW1X 9HHFlat 5, William Street House, William Street, London, SW1X 9HH
- Sold Aug 1999£763,250 | 3 Bed FlatFlat 5, William Street House, William Street, London, SW1X 9HHFlat 5, William Street House, William Street, London, SW1X 9HH
- Sold Jan 1996£400,000 | 3 Bed FlatFlat 1, William Street House, William Street, London, SW1X 9HHFlat 1, William Street House, William Street, London, SW1X 9HH
Property Types
- 6 period flats built between 1800 and 1911
- 3 other addresses of unknown type
- period flat (6)
- Unknown (3)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 6 properties.
- The most common rating is C.
- A (0)
- E (0)
- B (0)
- F (0)
- C (4)
- G (0)
- D (2)
- No EPC (3)
Top 3 Most Expensive Sales
- Sold Sep 2023£15,200,000 | 3 Bed FlatApartment 4, 1, William Street, London, SW1X 9HLApartment 4, 1, William Street, London, SW1X 9HL
- Sold Mar 2024£2,650,000 | 3 Bed FlatApartment 7, 1, William Street, London, SW1X 9HLApartment 7, 1, William Street, London, SW1X 9HL
- Sold Sep 2025£2,550,000 | 3 Bed FlatApartment 9, 1, William Street, London, SW1X 9HLApartment 9, 1, William Street, London, SW1X 9HL
Schools Nearby
- Holy Trinity CofE Primary School900 m away
- St George's Hanover Square CofE Primary School1.0 km away
- St Peter's Eaton Square CofE Primary School1.0 km away
- St. Thomas More Language College1.0 km away
- Westminster City School1.4 km away
- The Grey Coat Hospital1.8 km away
More reading links
Public Transport Nearby
The closest station to William Street House, William Street, London, SW1 is Knightsbridge station, which is 400 metres away.
- Knightsbridge|400 m away
- Hyde Park Corner|400 m away
- Sloane Square|1.0 km away
- London Victoria|1.2 km away
