1, County Gate has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 12 Sep 2025.

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

1, County Gate last changed hands on 26th October 2017, selling for £500,000. The transaction was logged as a freehold house by HM Land Registry.

That is its only recorded sale since 1995.

The market for similar properties has risen by 10.9% since October 2017.

• Sold Oct 2017£500,000

Land Registry records and our Estate Agent network show 206 sales of comparable properties within 590 metres of 1, County Gate since 2012.

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 Mar 2025£658,000 | 4 Bed House11, Agaton Road, London, SE9 3RN11, Agaton Road, London, SE9 3RN
• Sold Mar 2025£600,000 | 4 Bed House861, Sidcup Road, London, SE9 3SG861, Sidcup Road, London, SE9 3SG
• 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 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 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 Jun 2021£585,000 | 4 Bed House5, Agaton Road, London, SE9 3RN5, Agaton Road, London, SE9 3RN
• Sold Jan 2021£510,000 | 4 Bed House36, County Gate, London, SE9 3UB36, County Gate, London, SE9 3UB
• Sold Oct 2020£575,000 | 4 Bed House883, Sidcup Road, London, SE9 3PP883, Sidcup Road, London, SE9 3PP
• Sold Feb 2020£522,500 | 4 Bed House25, County Gate, London, SE9 3UB25, County Gate, London, SE9 3UB
• Sold Aug 2018£495,000 | 4 Bed House32, County Gate, London, SE9 3UB32, County Gate, London, SE9 3UB
• Sold Apr 2018£459,000 | 4 Bed House34, County Gate, London, SE9 3UB34, County Gate, London, SE9 3UB
• Sold Jul 2016£520,000 | 4 Bed House38, County Gate, London, SE9 3UB38, County Gate, London, SE9 3UB
• Sold Jun 2012£480,000 | 4 Bed House3, County Gate, London, SE9 3UB3, County Gate, London, SE9 3UB

Our analysis of the public data ranks 1, County Gate as the 9th largest and the 9th most expensive of the 34 addresses on County Gate, London, SE9.

Against the SE9 postcode district average, it is £163k more expensive than the typical property.

• Dulverton Primary School

  500 m away
• Edgebury Primary School

  800 m away
• Wyborne Primary School

  1.0 km away

• Chislehurst School for Girls

  1.8 km away
• St Thomas More Catholic Comprehensive School

  2.0 km away
• Leigh Stationers' Academy

  2.2 km away

• New Eltham

  |

  700 m away
• Sidcup

  |

  1.9 km away
• Mottingham

  |

  2.0 km away

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