373, Blackfen Road, Sidcup occupies a 412 m² plot as recorded by HM Land Registry.

Of the 32 other houses in this postcode, 30 have recorded plot sizes, and this one ranks as the 15th largest.

373, Blackfen Road, Sidcup has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 08 Nov 2012.

The property is not connected to mains gas and has mostly double glazing. It is heated using a boiler and radiators (mains gas).

373, Blackfen Road, Sidcup last changed hands on 6th May 2014, selling for £430,000. 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 85.9% since May 2014.

• Sold May 2014£430,000

Land Registry records and our Estate Agent network show 87 sales of comparable properties within 510 metres of 373, Blackfen Road, Sidcup since 2014.

Most recently, 126, Radnor Avenue, Welling, DA16 2BY, a freehold house, sold at £500,000 on the 8th April 2026.

Read more about house prices in DA15.

• Sold Apr 2026£500,000 | 4 Bed House126, Radnor Avenue, Welling, DA16 2BY126, Radnor Avenue, Welling, DA16 2BY
• Sold Sep 2025£600,000 | 4 Bed House22, Radnor Avenue, Welling, DA16 2BX22, Radnor Avenue, Welling, DA16 2BX
• Sold Sep 2025£540,000 | 4 Bed House81, Sherwood Park Avenue, Sidcup, DA15 9JQ81, Sherwood Park Avenue, Sidcup, DA15 9JQ
• Sold Dec 2024£570,000 | 4 Bed House99, Ramillies Road, Sidcup, DA15 9JB99, Ramillies Road, Sidcup, DA15 9JB
• Sold Jun 2024£620,000 | 4 Bed House28, Wellington Avenue, Sidcup, DA15 9HE28, Wellington Avenue, Sidcup, DA15 9HE
• Sold Mar 2024£435,000 | 4 Bed House56, Park Mead, Sidcup, DA15 9PJ56, Park Mead, Sidcup, DA15 9PJ
• Sold Feb 2024£450,000 | 4 Bed House66, Tyrrell Avenue, Welling, DA16 2BU66, Tyrrell Avenue, Welling, DA16 2BU
• Sold Nov 2023£515,000 | 4 Bed House52, Sherwood Park Avenue, Sidcup, DA15 9HX52, Sherwood Park Avenue, Sidcup, DA15 9HX
• Sold Jun 2023£575,000 | 4 Bed House38, Radnor Avenue, Welling, DA16 2BX38, Radnor Avenue, Welling, DA16 2BX
• Sold Nov 2022£582,500 | 4 Bed House150, Burns Avenue, Sidcup, DA15 9HR150, Burns Avenue, Sidcup, DA15 9HR
• Sold Jul 2022£575,000 | 4 Bed House87, Burns Avenue, Sidcup, DA15 9HT87, Burns Avenue, Sidcup, DA15 9HT
• Sold Jun 2022£460,000 | 4 Bed House347, Blackfen Road, Sidcup, DA15 9NJ347, Blackfen Road, Sidcup, DA15 9NJ
• Sold Apr 2022£555,000 | 4 Bed House107, Penshurst Avenue, Sidcup, DA15 9EZ107, Penshurst Avenue, Sidcup, DA15 9EZ
• Sold Nov 2021£538,000 | 4 Bed House87, Radnor Avenue, Welling, DA16 2DA87, Radnor Avenue, Welling, DA16 2DA
• Sold Dec 2020£470,000 | 4 Bed House41, Radnor Avenue, Welling, DA16 2BZ41, Radnor Avenue, Welling, DA16 2BZ
• Sold Jul 2018£510,000 | 4 Bed House117, Penshurst Avenue, Sidcup, DA15 9EZ117, Penshurst Avenue, Sidcup, DA15 9EZ
• Sold Oct 2017£430,000 | 4 Bed House1, Radnor Avenue, Welling, DA16 2BZ1, Radnor Avenue, Welling, DA16 2BZ
• Sold May 2016£420,000 | 4 Bed House12, Radnor Avenue, Welling, DA16 2BX12, Radnor Avenue, Welling, DA16 2BX
• Sold Jan 2016£312,000 | 4 Bed House64, Tyrrell Avenue, Welling, DA16 2BU64, Tyrrell Avenue, Welling, DA16 2BU
• Sold Jul 2014£310,000 | 4 Bed House381, Blackfen Road, Sidcup, DA15 9NJ381, Blackfen Road, Sidcup, DA15 9NJ

Our analysis of the public data ranks 373, Blackfen Road, Sidcup as the 44th largest and the 64th most expensive of the 427 addresses on Blackfen Road, Sidcup, DA15.

Against the DA15 postcode district average, it is £57k more expensive than the typical property.

• Sherwood Park Primary School

  400 m away
• Days Lane Primary School

  800 m away
• Danson Primary School

  800 m away

• Blackfen School for Girls

  200 m away
• Bexley Grammar School

  700 m away
• Hurstmere School

  1.3 km away

• Welling

  |

  1.7 km away
• Sidcup

  |

  1.8 km away
• Albany Park

  |

  2.0 km away

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