According to data from HM Land Registry, 403, Blackfen Road, Sidcup sits on a plot of 367 m².

We have plot size data on 16 out of 17 other houses in the postcode and 403, Blackfen Road, Sidcup sits on the 10th largest plot.

403, Blackfen Road, Sidcup has an Energy Performance Rating (EPC) of F. This is based on the most recent assessment, dated 19 May 2009.

The property is connected to mains gas and has partial double glazing. It is heated using a boiler and radiators (mains gas).

According to HM Land Registry, 403, Blackfen Road, Sidcup was last sold on 15th November 2002 for £265,000 and was recorded as a freehold house.

The property has had 2 sales since 1995.

• Sold Nov 2002£265,000
• Sold Oct 2001£160,000

According to the Land Registry and our network of Estate Agents, there have been 104 sales of properties similar to 403, Blackfen Road, Sidcup within a radius of 570 metres since 2013.

The most recent example is 126, Radnor Avenue, Welling, DA16 2BY, a freehold house which sold for £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£540,000 | 4 Bed House81, Sherwood Park Avenue, Sidcup, DA15 9JQ81, Sherwood Park Avenue, Sidcup, DA15 9JQ
• Sold Jan 2025£470,000 | 4 Bed House405B, Blackfen Road, Sidcup, DA15 9NN405B, Blackfen Road, Sidcup, DA15 9NN
• Sold Jan 2025£430,000 | 4 Bed House218, Sherwood Park Avenue, Sidcup, DA15 9JL218, Sherwood Park Avenue, Sidcup, DA15 9JL
• Sold Dec 2024£570,000 | 4 Bed House99, Ramillies Road, Sidcup, DA15 9JB99, Ramillies Road, Sidcup, DA15 9JB
• 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 May 2023£540,000 | 4 Bed House71, Radnor Avenue, Welling, DA16 2BZ71, Radnor Avenue, Welling, DA16 2BZ
• 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 Oct 2020£475,000 | 4 Bed House4, Rochester Close, Sidcup, DA15 9PG4, Rochester Close, Sidcup, DA15 9PG
• Sold Jul 2020£420,000 | 4 Bed House409A, Blackfen Road, Sidcup, DA15 9NN409A, Blackfen Road, Sidcup, DA15 9NN
• Sold Oct 2017£430,000 | 4 Bed House1, Radnor Avenue, Welling, DA16 2BZ1, Radnor Avenue, Welling, DA16 2BZ
• Sold Aug 2017£475,000 | 4 Bed House39, Radnor Avenue, Welling, DA16 2BZ39, Radnor Avenue, Welling, DA16 2BZ
• Sold Jul 2014£310,000 | 4 Bed House381, Blackfen Road, Sidcup, DA15 9NJ381, Blackfen Road, Sidcup, DA15 9NJ
• Sold Sep 2013£272,000 | 4 Bed House393, Blackfen Road, Sidcup, DA15 9NJ393, Blackfen Road, Sidcup, DA15 9NJ

Blackfen Road, Sidcup, DA15 has a total of 427 addresses. According to our analysis of all the public data, 403, Blackfen Road, Sidcup is the 55th largest and the 78th most expensive property on the street.

When compared to the postcode district it is £34k more expensive than the average property in DA15.

• 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

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