HM Land Registry records the plot of land for 400, Blackfen Road, Sidcup as measuring 208 m².

That makes it the 3rd largest plot in the postcode, where 14 of the 16 other houses have recorded plot data.

400, Blackfen Road, Sidcup has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 04 Sep 2023.

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

The most recent sale of 400, Blackfen Road, Sidcup completed on 23rd May 2011 at £208,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 this is the property's only sale.

Values of comparable properties have risen by 117.6% over the period since May 2011.

• Sold May 2011£208,000

Since 2016 346 properties similar to 400, Blackfen Road, Sidcup have sold within a radius of 530 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 25th March 2026, was 144, Burns Avenue, Sidcup, DA15 9HR, a freehold house which sold for £400,000.

Read more about house prices in DA15.

• Sold Mar 2026£400,000 | 3 Bed House144, Burns Avenue, Sidcup, DA15 9HR144, Burns Avenue, Sidcup, DA15 9HR
• Sold Mar 2026£380,000 | 3 Bed House5, Wellan Close, Sidcup, DA15 9PN5, Wellan Close, Sidcup, DA15 9PN
• Sold Mar 2026£475,000 | 3 Bed House63, Burns Avenue, Sidcup, DA15 9HT63, Burns Avenue, Sidcup, DA15 9HT
• Sold Feb 2026£430,000 | 3 Bed House176, Sherwood Park Avenue, Sidcup, DA15 9JL176, Sherwood Park Avenue, Sidcup, DA15 9JL
• Sold Dec 2025£400,000 | 3 Bed House350, Blackfen Road, Sidcup, DA15 9NY350, Blackfen Road, Sidcup, DA15 9NY
• Sold Nov 2025£340,000 | 3 Bed House370, Blackfen Road, Sidcup, DA15 9NY370, Blackfen Road, Sidcup, DA15 9NY
• Sold Nov 2025£383,000 | 3 Bed House29, Wellan Close, Sidcup, DA15 9PN29, Wellan Close, Sidcup, DA15 9PN
• Sold Oct 2025£440,000 | 3 Bed House19, Tyrrell Avenue, Welling, DA16 2BT19, Tyrrell Avenue, Welling, DA16 2BT
• Sold Mar 2025£410,000 | 3 Bed House60, Tyrrell Avenue, Welling, DA16 2BU60, Tyrrell Avenue, Welling, DA16 2BU
• Sold Mar 2025£385,000 | 3 Bed House39, Ramillies Road, Sidcup, DA15 9JA39, Ramillies Road, Sidcup, DA15 9JA
• Sold Feb 2025£375,000 | 3 Bed House48, Ramillies Road, Sidcup, DA15 9HY48, Ramillies Road, Sidcup, DA15 9HY
• Sold Jan 2025£410,000 | 3 Bed House146, Burns Avenue, Sidcup, DA15 9HR146, Burns Avenue, Sidcup, DA15 9HR
• Sold Nov 2024£440,000 | 3 Bed House24, Ramillies Road, Sidcup, DA15 9HY24, Ramillies Road, Sidcup, DA15 9HY
• Sold Jul 2024£300,000 | 3 Bed House27, Ramillies Road, Sidcup, DA15 9JA27, Ramillies Road, Sidcup, DA15 9JA
• Sold Jan 2024£385,000 | 3 Bed House116, Burns Avenue, Sidcup, DA15 9HR116, Burns Avenue, Sidcup, DA15 9HR
• Sold Nov 2023£500,000 | 3 Bed House336, Blackfen Road, Sidcup, DA15 9NY336, Blackfen Road, Sidcup, DA15 9NY
• Sold Sep 2023£405,000 | 3 Bed House334, Blackfen Road, Sidcup, DA15 9NY334, Blackfen Road, Sidcup, DA15 9NY
• Sold Sep 2022£450,000 | 3 Bed House6A, Rochester Close, Sidcup, DA15 9PG6A, Rochester Close, Sidcup, DA15 9PG
• Sold Nov 2017£374,000 | 3 Bed House386, Blackfen Road, Sidcup, DA15 9NZ386, Blackfen Road, Sidcup, DA15 9NZ
• Sold Sep 2016£350,000 | 3 Bed House385, Blackfen Road, Sidcup, DA15 9NJ385, Blackfen Road, Sidcup, DA15 9NJ

Of the 427 addresses on Blackfen Road, Sidcup, DA15, 400, Blackfen Road, Sidcup comes out as the 249th largest and the 219th most expensive in our analysis of the public data.

It is also £69k less expensive than the average property across the DA15 district.

• Sherwood Park Primary School

  300 m away
• Days Lane Primary School

  900 m away
• Danson Primary School

  900 m away

• Blackfen School for Girls

  200 m away
• Bexley Grammar School

  800 m away
• Hurstmere School

  1.3 km away

• Sidcup

  |

  1.7 km away
• Welling

  |

  1.8 km away
• Albany Park

  |

  1.9 km away

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