According to data from HM Land Registry, 9, Astell Street sits on a plot of 243 m².

We have plot size data on 18 out of 18 other houses in the postcode and 9, Astell Street sits on the 2nd largest plot.

9, Astell Street has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 13 Aug 2024.

The property is connected to mains gas and has some double glazing. It is heated using Boiler and underfloor heating, mains gas.

According to HM Land Registry, 9, Astell Street was last sold on 30th May 2025 for £6,550,000 and was recorded as a freehold house.

The property has had 2 sales since 1995.

Since May 2025, the market for similar properties has dropped by 1.5%.

• Sold May 2025£6,550,000
• Sold Sep 1995£610,000

According to the Land Registry and our network of Estate Agents, there have been 3 sales of properties similar to 9, Astell Street within a radius of 270 metres over the last 2 years.

The most recent example is 12, Markham Square, London, SW3 4UY, a freehold house which sold for £8,500,000 on the 19th March 2025.

Read more about house prices in SW3.

• Sold Mar 2025£8,500,000 | 6 Bed House12, Markham Square, London, SW3 4UY12, Markham Square, London, SW3 4UY
• Sold Jan 2024£7,000,000 | 6 Bed House6, Astell Street, London, SW3 3RU6, Astell Street, London, SW3 3RU
• Sold Jun 2022£6,300,000 | 5 Bed House23, Astell Street, London, SW3 3RT23, Astell Street, London, SW3 3RT

•Nearby is defined as the radius comprising the nearest 2,000 addresses.

Astell Street, London, SW3 has a total of 50 addresses. According to our analysis of all the public data, 9, Astell Street is the 11th largest and the 6th most expensive property on the street.

When compared to the postcode district it is £4.306m more expensive than the average property in SW3.

• 200

  m

  Oratory Roman Catholic Primary School
• 300

  m

  Marlborough Primary School
• 500

  m

  St Joseph's Catholic Primary School

• 500

  m

  St. Thomas More Language College
• 1.7

  km

  Chelsea Academy
• 1.7

  km

  Saint John Bosco College

• 600

  m

  South Kensington
• 800

  m

  Sloane Square
• 1.1

  km

  Gloucester Road

According to recent data from Ofcom, ultrafast broadband is available in this area.

According to data from the Environment Agency, the flood risk in this area is considered to be very low.