According to data from HM Land Registry, 22, Cornwallis Avenue sits on a plot of 318 m².

We have plot size data on 15 out of 16 other houses in the postcode and 22, Cornwallis Avenue sits on the 12th largest plot.

22, Cornwallis Avenue has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 23 Mar 2026.

The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

According to the Land Registry and our network of Estate Agents, there have been 259 sales of properties similar to 22, Cornwallis Avenue within a radius of 610 metres since 2019.

The most recent example is 48, Dulverton Road, London, SE9 3RL, a freehold house which sold for £675,000 on the 6th March 2026.

Read more about house prices in SE9.

• Sold Mar 2026£675,000 | 4 Bed House48, Dulverton Road, London, SE9 3RL48, Dulverton Road, London, SE9 3RL
• Sold Oct 2025£565,000 | 3 Bed House26, Agaton Road, London, SE9 3RW26, Agaton Road, London, SE9 3RW
• Sold Aug 2025£680,000 | 3 Bed House61, Dulverton Road, London, SE9 3RJ61, Dulverton Road, London, SE9 3RJ
• Sold Dec 2024£612,000 | 3 Bed House62, Telford Road, London, SE9 3RD62, Telford Road, London, SE9 3RD
• Sold Nov 2024£625,000 | 3 Bed House50, Frensham Road, London, SE9 3RQ50, Frensham Road, London, SE9 3RQ
• Sold Aug 2024£535,000 | 4 Bed House6, County Gate, London, SE9 3UB6, County Gate, London, SE9 3UB
• Sold Jul 2024£605,000 | 4 Bed House7, Agaton Road, London, SE9 3RN7, Agaton Road, London, SE9 3RN
• Sold Apr 2024£546,500 | 4 Bed House31, Marechal Niel Avenue, Sidcup, DA15 7PB31, Marechal Niel Avenue, Sidcup, DA15 7PB
• Sold Dec 2023£485,000 | 4 Bed House17, St. Margarets Avenue, Sidcup, DA15 7NP17, St. Margarets Avenue, Sidcup, DA15 7NP
• Sold Nov 2023£560,000 | 3 Bed House7, Brendon Road, London, SE9 3RP7, Brendon Road, London, SE9 3RP
• Sold Jul 2023£580,000 | 3 Bed House47, Brooklands Avenue, Sidcup, DA15 7PF47, Brooklands Avenue, Sidcup, DA15 7PF
• Sold Nov 2022£650,000 | 3 Bed House28, Frensham Road, London, SE9 3RQ28, Frensham Road, London, SE9 3RQ
• Sold Oct 2022£560,000 | 3 Bed House20, Chartwell Close, London, SE9 3UQ20, Chartwell Close, London, SE9 3UQ
• Sold Jul 2022£685,000 | 3 Bed House4, Frensham Road, London, SE9 3RQ4, Frensham Road, London, SE9 3RQ
• Sold Apr 2022£528,000 | 3 Bed House35, Brooklands Avenue, Sidcup, DA15 7PF35, Brooklands Avenue, Sidcup, DA15 7PF
• Sold Mar 2022£575,000 | 4 Bed House13, Marechal Niel Avenue, Sidcup, DA15 7PB13, Marechal Niel Avenue, Sidcup, DA15 7PB
• Sold Nov 2021£600,000 | 3 Bed House46, Frensham Road, London, SE9 3RQ46, Frensham Road, London, SE9 3RQ
• Sold Nov 2021£588,000 | 4 Bed House14, Telford Road, London, SE9 3RD14, Telford Road, London, SE9 3RD
• Sold Sep 2021£577,000 | 3 Bed House27, Telford Road, London, SE9 3RE27, Telford Road, London, SE9 3RE
• Sold May 2019£485,000 | 4 Bed House158, Harland Avenue, Sidcup, DA15 7PA158, Harland Avenue, Sidcup, DA15 7PA

Cornwallis Avenue, London, SE9 has a total of 16 addresses. According to our analysis of all the public data, 22, Cornwallis Avenue is the 14th largest and the 14th most expensive property on the street.

When compared to the postcode district it is £146k more expensive than the average property in SE9.

• Dulverton Primary School

  400 m away
• Longlands Primary School

  800 m away
• Edgebury Primary School

  1.0 km away

• Chislehurst School for Girls

  1.7 km away
• Chislehurst and Sidcup Grammar School

  2.0 km away
• St Thomas More Catholic Comprehensive School

  2.1 km away

• New Eltham

  |

  800 m away
• Sidcup

  |

  1.7 km away
• Mottingham

  |

  2.2 km away

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