Our Data Sources
31, Blackfen Road, Sidcup has 41 entries in the Land Registry, most recently in October 2020 and a single entry in the EPC database dated August 2015.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 1 out of 5 and is considered of low accuracy.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
In very good condition, we estimate 31, Blackfen Road, Sidcup would be worth £579,627, with a potential rental value of £2,236 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £513,384, with a rental value of £1,980 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
31, Blackfen Road, Sidcup occupies a 424 m2 plot as recorded by HM Land Registry.
Of the 9 other houses in this postcode, 8 have recorded plot sizes, and this one ranks as the 4th largest.
Energy Efficiency
31, Blackfen Road, Sidcup has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 13 Aug 2015.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
31, Blackfen Road, Sidcup last changed hands on 26th October 2020, selling for £485,000. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold 4 times since 1995.
The market for similar properties has risen by 18.6% since October 2020.
- Sold Oct 2020£485,000
- Sold Jul 2016£435,000
- Sold Jul 2006£250,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 118 sales of comparable properties within 480 metres of 31, Blackfen Road, Sidcup since 2018.
Most recently, 56, Orchard Rise East, Sidcup, DA15 8RT, a freehold house, sold at £470,000 on the 12th September 2025.
Read more about house prices in DA15.
- Sold Sep 2025£470,000 | 3 Bed House56, Orchard Rise East, Sidcup, DA15 8RT56, Orchard Rise East, Sidcup, DA15 8RT
- Sold Aug 2025£588,000 | 3 Bed House30, Raeburn Road, Sidcup, DA15 8RB30, Raeburn Road, Sidcup, DA15 8RB
- Sold Mar 2025£450,000 | 3 Bed House33, Ridgeway West, Sidcup, DA15 8SF33, Ridgeway West, Sidcup, DA15 8SF
- Sold Dec 2024£420,000 | 3 Bed House91, Ridgeway West, Sidcup, DA15 8SF91, Ridgeway West, Sidcup, DA15 8SF
- Sold Aug 2024£494,000 | 3 Bed House57, Boundary Road, Sidcup, DA15 8SS57, Boundary Road, Sidcup, DA15 8SS
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £390,529, ranging from £154,797 to £595,091.
- 29 Blackfen Road
3 Bed House | 6 m | Est. Value: £595,091
- 35 Blackfen Road
4 Bed House | 29 m | Est. Value: £558,559
- 21A Blackfen Road
3 Bed Flat | 31 m | Est. Value: £191,131
- 19A Blackfen Road
2 Bed Flat | 36 m | Est. Value: £173,239
- 1 Boundary Road
3 Bed House | 36 m | Est. Value: £469,856
Location Comparison
Our analysis of the public data ranks 31, Blackfen Road, Sidcup as the 179th largest and the 71st most expensive of the 427 addresses on Blackfen Road, Sidcup, DA15.
Against the DA15 postcode district average, it is £48k more expensive than the typical property.
More reading links
Schools Nearby
- Alderwood Primary School300 m away
- Our Lady of the Rosary Catholic Primary School500 m away
- Days Lane Primary School800 m away
- Harris Academy Falconwood800 m away
- Leigh Stationers' Academy800 m away
- Bexley Grammar School1.5 km away
More reading links
Public Transport Nearby
- Falconwood|1.1 km away
- Welling|1.8 km away
- New Eltham|1.9 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












