Flat 2, 423, Blackfen Road, Sidcup last changed hands on 15th January 2007, selling for £148,000. The transaction was logged as a leasehold flat by HM Land Registry.

In total it has sold 4 times since 1995.

The market for similar properties has risen by 67.0% since January 2007.

• Sold Jan 2007£148,000
• Sold Mar 2003£113,000
• Sold Mar 1998£55,995

Land Registry records and our Estate Agent network show 74 sales of comparable properties within 590 metres of Flat 2, 423, Blackfen Road, Sidcup since 2008.

Most recently, 9, Rochester Close, Sidcup, DA15 9PG, a leasehold flat, sold at £235,000 on the 2nd April 2026.

Read more about house prices in DA15.

• Sold Apr 2026£235,000 | 2 Bed Flat9, Rochester Close, Sidcup, DA15 9PG9, Rochester Close, Sidcup, DA15 9PG
• Sold Mar 2026£280,000 | 2 Bed Flat82, Park Mead, Sidcup, DA15 9PF82, Park Mead, Sidcup, DA15 9PF
• Sold Mar 2026£322,000 | 2 Bed FlatFlat 2, Chailey Court, Chailey Close, Sidcup, DA15 9BEFlat 2, Chailey Court, Chailey Close, Sidcup, DA15 9BE
• Sold Feb 2025£275,000 | 2 Bed Flat81, Park Mead, Sidcup, DA15 9PF81, Park Mead, Sidcup, DA15 9PF
• Sold Jan 2025£320,000 | 2 Bed Flat47, Westerham Drive, Sidcup, DA15 9NR47, Westerham Drive, Sidcup, DA15 9NR
• Sold Sep 2023£275,000 | 2 Bed Flat101, Park Mead, Sidcup, DA15 9PF101, Park Mead, Sidcup, DA15 9PF
• Sold Mar 2023£250,000 | 2 Bed Flat80, Park Mead, Sidcup, DA15 9PF80, Park Mead, Sidcup, DA15 9PF
• Sold Nov 2022£287,000 | 2 Bed Flat57, Gwillim Close, Sidcup, DA15 9NQ57, Gwillim Close, Sidcup, DA15 9NQ
• Sold May 2022£257,500 | 2 Bed Flat89, Park Mead, Sidcup, DA15 9PF89, Park Mead, Sidcup, DA15 9PF
• Sold Nov 2021£250,000 | 2 Bed Flat79, Park Mead, Sidcup, DA15 9PF79, Park Mead, Sidcup, DA15 9PF
• Sold Jun 2021£330,000 | 2 Bed FlatFlat 3, Chailey Court, Chailey Close, Sidcup, DA15 9BEFlat 3, Chailey Court, Chailey Close, Sidcup, DA15 9BE
• Sold May 2021£255,000 | 2 Bed Flat76, Park Mead, Sidcup, DA15 9PF76, Park Mead, Sidcup, DA15 9PF
• Sold Mar 2021£275,000 | 2 Bed Flat91, Park Mead, Sidcup, DA15 9PF91, Park Mead, Sidcup, DA15 9PF
• Sold Mar 2020£235,000 | 2 Bed Flat92, Park Mead, Sidcup, DA15 9PF92, Park Mead, Sidcup, DA15 9PF
• Sold Oct 2019£206,000 | 2 Bed Flat80, Westerham Drive, Sidcup, DA15 9NR80, Westerham Drive, Sidcup, DA15 9NR
• Sold Oct 2019£310,000 | 2 Bed FlatFlat 4, Chailey Court, Chailey Close, Sidcup, DA15 9BEFlat 4, Chailey Court, Chailey Close, Sidcup, DA15 9BE
• Sold Oct 2019£315,000 | 2 Bed FlatFlat 1, Chailey Court, Chailey Close, Sidcup, DA15 9BEFlat 1, Chailey Court, Chailey Close, Sidcup, DA15 9BE
• Sold Jul 2019£277,000 | 2 Bed Flat44, Westerham Drive, Sidcup, DA15 9NR44, Westerham Drive, Sidcup, DA15 9NR
• Sold Jun 2018£230,000 | 2 Bed Flat8, Westerham Drive, Sidcup, DA15 9NR8, Westerham Drive, Sidcup, DA15 9NR
• Sold Nov 2008£155,000 | 2 Bed Flat77, Westerham Drive, Sidcup, DA15 9NR77, Westerham Drive, Sidcup, DA15 9NR

Our analysis of the public data ranks Flat 2, 423, Blackfen Road, Sidcup as the 350th largest and the 330th most expensive of the 427 addresses on Blackfen Road, Sidcup, DA15.

Against the DA15 postcode district average, it is £217k less expensive than the typical property.

• Sherwood Park Primary School

  300 m away
• Danson Primary School

  1.0 km away
• Days Lane Primary School

  1.0 km away

• Blackfen School for Girls

  100 m away
• Bexley Grammar School

  900 m away
• Hurstmere School

  1.2 km away

• Sidcup

  |

  1.8 km away
• Albany Park

  |

  1.8 km away
• Welling

  |

  1.9 km away

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