HM Land Registry records the plot of land for 451A, Blackfen Road, Sidcup as measuring 221 m².

That makes it the 16th largest plot in the postcode, where 25 of the 28 other houses have recorded plot data.

451A, Blackfen Road, Sidcup has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 08 Mar 2018.

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

Since 2017 225 properties similar to 451A, Blackfen Road, Sidcup have sold within a radius of 610 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 1st December 2025, was 10, Park Mead, Sidcup, DA15 9PE, a freehold house which sold for £450,000.

Read more about house prices in DA15.

• Sold Dec 2025£450,000 | 3 Bed House10, Park Mead, Sidcup, DA15 9PE10, Park Mead, Sidcup, DA15 9PE
• Sold Nov 2025£450,000 | 3 Bed House59, Park Mead, Sidcup, DA15 9PJ59, Park Mead, Sidcup, DA15 9PJ
• Sold Aug 2025£440,000 | 3 Bed House2, Sherwood Close, Bexley, DA5 3EB2, Sherwood Close, Bexley, DA5 3EB
• Sold Jul 2025£455,000 | 3 Bed House405, Blackfen Road, Sidcup, DA15 9NN405, Blackfen Road, Sidcup, DA15 9NN
• Sold Jun 2025£450,000 | 3 Bed House96, Westerham Drive, Sidcup, DA15 9NS96, Westerham Drive, Sidcup, DA15 9NS
• Sold Mar 2025£475,000 | 3 Bed House395A, Blackfen Road, Sidcup, DA15 9NJ395A, Blackfen Road, Sidcup, DA15 9NJ
• Sold Feb 2025£460,000 | 3 Bed House65, Park Mead, Sidcup, DA15 9PJ65, Park Mead, Sidcup, DA15 9PJ
• Sold Dec 2024£406,500 | 3 Bed House449, Blackfen Road, Sidcup, DA15 9NP449, Blackfen Road, Sidcup, DA15 9NP
• Sold Dec 2024£460,000 | 3 Bed House9, Park Mead, Sidcup, DA15 9PE9, Park Mead, Sidcup, DA15 9PE
• Sold Jun 2024£505,000 | 3 Bed House102, Westerham Drive, Sidcup, DA15 9NS102, Westerham Drive, Sidcup, DA15 9NS
• Sold Nov 2023£415,000 | 3 Bed House23, Sherwood Close, Bexley, DA5 3EB23, Sherwood Close, Bexley, DA5 3EB
• Sold Oct 2022£390,500 | 3 Bed House193, Sherwood Park Avenue, Sidcup, DA15 9JG193, Sherwood Park Avenue, Sidcup, DA15 9JG
• Sold Aug 2022£430,000 | 3 Bed House92, Westerham Drive, Sidcup, DA15 9NS92, Westerham Drive, Sidcup, DA15 9NS
• Sold Aug 2022£410,000 | 3 Bed House18, Sherwood Close, Bexley, DA5 3EB18, Sherwood Close, Bexley, DA5 3EB
• Sold Jul 2022£428,000 | 3 Bed House443, Blackfen Road, Sidcup, DA15 9NP443, Blackfen Road, Sidcup, DA15 9NP
• Sold Jul 2022£540,000 | 3 Bed House199, Sherwood Park Avenue, Sidcup, DA15 9JG199, Sherwood Park Avenue, Sidcup, DA15 9JG
• Sold Mar 2022£390,000 | 3 Bed House29, Lakeside Close, Sidcup, DA15 9PW29, Lakeside Close, Sidcup, DA15 9PW
• Sold Aug 2021£408,000 | 3 Bed House20, Sherwood Close, Bexley, DA5 3EB20, Sherwood Close, Bexley, DA5 3EB
• Sold Mar 2021£360,000 | 3 Bed House61, Park Mead, Sidcup, DA15 9PJ61, Park Mead, Sidcup, DA15 9PJ
• Sold Apr 2017£357,000 | 3 Bed House93, Westerham Drive, Sidcup, DA15 9NS93, Westerham Drive, Sidcup, DA15 9NS

Of the 427 addresses on Blackfen Road, Sidcup, DA15, 451A, Blackfen Road, Sidcup comes out as the 134th largest and the 206th most expensive in our analysis of the public data.

It is also £58k less expensive than the average property across the DA15 district.

• Sherwood Park Primary School

  300 m away
• Hurst Primary School

  1.1 km away
• Chatsworth Infant School

  1.2 km away

• Blackfen School for Girls

  300 m away
• Bexley Grammar School

  1.1 km away
• Hurstmere School

  1.1 km away

• Albany Park

  |

  1.6 km away
• Sidcup

  |

  1.8 km away
• Bexleyheath

  |

  2.1 km away

The flood risk here is rated Very Low, based on Environment Agency data.