HM Land Registry records the plot of land for 20, Thornsett Road as measuring 552 m².

That makes it the 13th largest plot in the postcode, where all 11 other houses have recorded plot data.

20, Thornsett Road has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 23 Mar 2023.

The property is connected to mains gas and has mostly double glazing. It is heated using a boiler and radiators (mains gas).

The most recent sale of 20, Thornsett Road completed on 13th February 2024 at £990,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 the property has sold 3 times.

Values of comparable properties have risen by 2.8% over the period since February 2024.

Since 2007 17 properties similar to 20, Thornsett Road have sold within a radius of 380 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 14th January 2026, was 21, Thornsett Road, London, SE20 7XB, a freehold house which sold for £1,000,000.

Read more about house prices in SE20.

• Sold Jan 2026£1,000,000 | 5 Bed House21, Thornsett Road, London, SE20 7XB21, Thornsett Road, London, SE20 7XB
• Sold Oct 2025£1,085,000 | 5 Bed House24, Thornsett Road, London, SE20 7XE24, Thornsett Road, London, SE20 7XE
• Sold Mar 2025£950,000 | 5 Bed House13, Thornsett Road, London, SE20 7XB13, Thornsett Road, London, SE20 7XB
• Sold Jul 2022£1,070,000 | 5 Bed House11, Thornsett Road, London, SE20 7XB11, Thornsett Road, London, SE20 7XB
• Sold Mar 2022£700,000 | 5 Bed House10, Thornsett Road, London, SE20 7XE10, Thornsett Road, London, SE20 7XE
• Sold Sep 2021£850,000 | 5 Bed House31, Thornsett Road, London, SE20 7XB31, Thornsett Road, London, SE20 7XB
• Sold Jul 2021£1,100,000 | 5 Bed House11, Wheathill Road, London, SE20 7XQ11, Wheathill Road, London, SE20 7XQ
• Sold Jun 2021£922,500 | 5 Bed House23, Wheathill Road, London, SE20 7XQ23, Wheathill Road, London, SE20 7XQ
• Sold Jun 2020£965,000 | 5 Bed House62, Tremaine Road, London, SE20 7TZ62, Tremaine Road, London, SE20 7TZ
• Sold Jun 2017£1,010,000 | 5 Bed House22, Thornsett Road, London, SE20 7XE22, Thornsett Road, London, SE20 7XE
• Sold Apr 2017£820,000 | 5 Bed House29, Wheathill Road, London, SE20 7XQ29, Wheathill Road, London, SE20 7XQ
• Sold Mar 2014£515,000 | 5 Bed House26, Thornsett Road, London, SE20 7XE26, Thornsett Road, London, SE20 7XE
• Sold Oct 2013£585,000 | 5 Bed House8, Stembridge Road, London, SE20 7UF8, Stembridge Road, London, SE20 7UF
• Sold Jul 2011£530,000 | 5 Bed House4, Marlow Close, London, SE20 7XP4, Marlow Close, London, SE20 7XP
• Sold Jan 2011£455,000 | 5 Bed House6, Thornsett Road, London, SE20 7XE6, Thornsett Road, London, SE20 7XE
• Sold Feb 2010£530,000 | 5 Bed House1, Wheathill Road, London, SE20 7XQ1, Wheathill Road, London, SE20 7XQ
• Sold Apr 2007£499,999 | 5 Bed House9, Thornsett Road, London, SE20 7XB9, Thornsett Road, London, SE20 7XB

Of the 52 addresses on Thornsett Road, London, SE20, 20, Thornsett Road comes out as the 11th largest and the 7th most expensive in our analysis of the public data.

It is also £602k more expensive than the average property across the SE20 district.

• Stewart Fleming Primary School

  400 m away
• St Mark's Church of England Primary Academy

  700 m away
• St Anthony's Catholic Primary School

  800 m away

• Harris Academy South Norwood

  800 m away
• Oasis Academy Arena

  1.2 km away
• Harris City Academy Crystal Palace

  1.2 km away

• Birkbeck

  |

  600 m away
• Anerley

  |

  900 m away
• Norwood Junction

  |

  900 m away

The flood risk here is rated Very Low, based on Environment Agency data.