3, County Gate has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 01 Jun 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 HM Land Registry, 3, County Gate was last sold on 26th June 2012 for £480,000 and was recorded as a freehold house.

The property has had 2 sales since 1995.

Since June 2012, the market for similar properties has risen by 69.4%.

• Sold Jun 2012£480,000
• Sold Jul 2002£208,000

According to the Land Registry and our network of Estate Agents, there have been 205 sales of properties similar to 3, County Gate within a radius of 590 metres since 2016.

The most recent example is 42, Telford Road, London, SE9 3RD, a freehold house which sold for £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 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 Jan 2018£487,000 | 4 Bed House13, County Gate, London, SE9 3UB13, County Gate, London, SE9 3UB
• Sold Oct 2017£500,000 | 4 Bed House1, County Gate, London, SE9 3UB1, County Gate, London, SE9 3UB
• Sold Jul 2016£520,000 | 4 Bed House38, County Gate, London, SE9 3UB38, County Gate, London, SE9 3UB

County Gate, London, SE9 has a total of 34 addresses. According to our analysis of all the public data, 3, County Gate is the 8th largest and the 8th most expensive property on the street.

When compared to the postcode district it is £163k more expensive than the average property in SE9.

• 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

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