According to data from HM Land Registry, 4, Cornwallis Avenue sits on a plot of 319 m².

We have plot size data on 15 out of 16 other houses in the postcode and 4, Cornwallis Avenue sits on the 11th largest plot.

4, Cornwallis Avenue has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 16 May 2022.

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 HM Land Registry, 4, Cornwallis Avenue was last sold on 15th December 2022 for £630,000 and was recorded as a freehold house.

The property has only had this single sale since 1995.

Since December 2022, the market for similar properties has dropped by 6.9%.

• Sold Dec 2022£630,000

According to the Land Registry and our network of Estate Agents, there have been 246 sales of properties similar to 4, Cornwallis Avenue within a radius of 600 metres since 2020.

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 Dec 2025£628,400 | 4 Bed House42, Telford Road, London, SE9 3RD42, Telford Road, London, SE9 3RD
• Sold Nov 2025£715,000 | 4 Bed House11, Marechal Niel Avenue, Sidcup, DA15 7PB11, Marechal Niel Avenue, Sidcup, DA15 7PB
• Sold Sep 2025£655,000 | 4 Bed House43, Marechal Niel Avenue, Sidcup, DA15 7PB43, Marechal Niel Avenue, Sidcup, DA15 7PB
• Sold Jun 2025£750,000 | 4 Bed House22, Dulverton Road, London, SE9 3RH22, Dulverton Road, London, SE9 3RH
• Sold Mar 2025£658,000 | 4 Bed House11, Agaton Road, London, SE9 3RN11, Agaton Road, London, SE9 3RN
• Sold Nov 2024£650,000 | 4 Bed House55, Telford Road, London, SE9 3RE55, Telford Road, London, SE9 3RE
• Sold Sep 2024£650,000 | 4 Bed House45, Marechal Niel Avenue, Sidcup, DA15 7PB45, Marechal Niel Avenue, Sidcup, DA15 7PB
• Sold Sep 2024£650,000 | 4 Bed House15, Agaton Road, London, SE9 3RN15, Agaton Road, London, SE9 3RN
• Sold Jul 2024£605,000 | 4 Bed House7, Agaton Road, London, SE9 3RN7, Agaton Road, London, SE9 3RN
• Sold May 2024£710,000 | 4 Bed House58, Telford Road, London, SE9 3RD58, Telford Road, London, SE9 3RD
• Sold Jan 2023£585,000 | 4 Bed House13, Agaton Road, London, SE9 3RN13, Agaton Road, London, SE9 3RN
• Sold Nov 2022£650,000 | 3 Bed House28, Frensham Road, London, SE9 3RQ28, Frensham Road, London, SE9 3RQ
• Sold Jul 2022£685,000 | 3 Bed House4, Frensham Road, London, SE9 3RQ4, Frensham Road, London, SE9 3RQ
• Sold Apr 2022£671,000 | 4 Bed House154, Harland Avenue, Sidcup, DA15 7PA154, Harland Avenue, Sidcup, DA15 7PA
• Sold Nov 2021£588,000 | 4 Bed House14, Telford Road, London, SE9 3RD14, Telford Road, London, SE9 3RD
• Sold Jun 2021£650,000 | 4 Bed House2, Frensham Road, London, SE9 3RQ2, Frensham Road, London, SE9 3RQ
• Sold Feb 2021£625,000 | 4 Bed House45, Telford Road, London, SE9 3RE45, Telford Road, London, SE9 3RE
• Sold Nov 2020£600,000 | 4 Bed House12, Frensham Road, London, SE9 3RQ12, Frensham Road, London, SE9 3RQ
• Sold Jun 2020£685,000 | 4 Bed House14, Frensham Road, London, SE9 3RQ14, Frensham Road, London, SE9 3RQ

Cornwallis Avenue, London, SE9 has a total of 16 addresses. According to our analysis of all the public data, 4, Cornwallis Avenue is the 9th largest and the 9th most expensive property on the street.

When compared to the postcode district it is £213k 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.