10, Cornwallis Avenue occupies a 338 m² plot as recorded by HM Land Registry.

Of the 16 other houses in this postcode, 15 have recorded plot sizes, and this one ranks as the 4th largest.

10, Cornwallis Avenue has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 09 Feb 2015.

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

10, Cornwallis Avenue last changed hands on 31st July 2015, selling for £497,500. The transaction was logged as a freehold house by HM Land Registry.

In total it has sold twice since 1995.

The market for similar properties has risen by 27.3% since July 2015.

• Sold Jul 2015£497,500
• Sold Oct 2007£380,000

Land Registry records and our Estate Agent network show 218 sales of comparable properties within 600 metres of 10, Cornwallis Avenue since 2020.

Most recently, 42, Telford Road, London, SE9 3RD, a freehold house, sold at £628,400 on the 17th December 2025.

Read more about house prices in SE9.

• Sold Dec 2025£628,400 | 4 Bed House42, Telford Road, London, SE9 3RD42, Telford Road, London, SE9 3RD
• Sold Sep 2025£655,000 | 4 Bed House43, Marechal Niel Avenue, Sidcup, DA15 7PB43, Marechal Niel Avenue, Sidcup, DA15 7PB
• Sold Jul 2025£763,800 | 4 Bed House15, Marechal Niel Avenue, Sidcup, DA15 7PB15, 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 Sep 2024£650,000 | 4 Bed House15, Agaton Road, London, SE9 3RN15, Agaton Road, London, SE9 3RN
• Sold Feb 2024£725,000 | 4 Bed House14, St. Margarets Avenue, Sidcup, DA15 7NP14, St. Margarets Avenue, Sidcup, DA15 7NP
• Sold Nov 2023£705,000 | 4 Bed House19, Telford Road, London, SE9 3RE19, Telford Road, London, SE9 3RE
• Sold Aug 2023£625,000 | 4 Bed House14, Dulverton Road, London, SE9 3RH14, Dulverton Road, London, SE9 3RH
• Sold Jun 2023£645,000 | 4 Bed House115, Harland Avenue, Sidcup, DA15 7NZ115, Harland Avenue, Sidcup, DA15 7NZ
• Sold Jan 2023£585,000 | 4 Bed House13, Agaton Road, London, SE9 3RN13, Agaton Road, London, SE9 3RN
• Sold May 2022£855,108 | 4 Bed House54, Telford Road, London, SE9 3RD54, Telford Road, London, SE9 3RD
• Sold Apr 2022£671,000 | 4 Bed House154, Harland Avenue, Sidcup, DA15 7PA154, Harland Avenue, Sidcup, DA15 7PA
• Sold Mar 2022£770,000 | 4 Bed House148, Harland Avenue, Sidcup, DA15 7PA148, 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 Aug 2020£518,000 | 4 Bed House133, Harland Avenue, Sidcup, DA15 7NZ133, Harland Avenue, Sidcup, DA15 7NZ
• Sold Jun 2020£685,000 | 4 Bed House14, Frensham Road, London, SE9 3RQ14, Frensham Road, London, SE9 3RQ

Our analysis of the public data ranks 10, Cornwallis Avenue as the 4th largest and the 5th most expensive of the 16 addresses on Cornwallis Avenue, London, SE9.

Against the SE9 postcode district average, it is £248k more expensive than the typical property.

• 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

Environment Agency data suggests this area has a Very Low risk of flooding.