Our Data Sources
20, Blackfen Road, Sidcup has 31 entries in the Land Registry, most recently in June 2008 and no records in the EPC database.
We combine this sold price information with public data of neighbouring properties to estimate the attributes and values.
The local information is scored as 3 out of 5 and is considered of medium accuracy.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
In very good condition, we estimate 20, Blackfen Road, Sidcup would be worth £430,180, with a potential rental value of £1,988 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £381,016, with a rental value of £1,761 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
20, Blackfen Road, Sidcup occupies a 268 m2 plot as recorded by HM Land Registry.
All 14 other houses in this postcode have recorded plot sizes, and this one ranks as the 14th largest.
Sold Prices
20, Blackfen Road, Sidcup last changed hands on 17th June 2008, selling for £220,000. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold 3 times since 1995.
The market for similar properties has risen by 96.0% since June 2008.
- Sold Jun 2008£220,000
- Sold May 2002£157,995
- Sold Sep 1999£100,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 96 sales of comparable properties within 470 metres of 20, Blackfen Road, Sidcup since 2010.
Most recently, 37, Gordon Road, Sidcup, DA15 8SX, a freehold house, sold at £410,000 on the 22nd September 2025.
Read more about house prices in DA15.
- Sold Sep 2025£410,000 | 2 Bed House37, Gordon Road, Sidcup, DA15 8SX37, Gordon Road, Sidcup, DA15 8SX
- Sold Jul 2025£395,000 | 2 Bed House1, Alexander Close, Sidcup, DA15 8QY1, Alexander Close, Sidcup, DA15 8QY
- Sold Jun 2025£380,000 | 2 Bed House9, Rider Close, Sidcup, DA15 8TL9, Rider Close, Sidcup, DA15 8TL
- Sold May 2025£375,000 | 2 Bed House19, Kirkland Close, Sidcup, DA15 8TP19, Kirkland Close, Sidcup, DA15 8TP
- Sold May 2025£380,000 | 2 Bed House11, Rider Close, Sidcup, DA15 8TL11, Rider Close, Sidcup, DA15 8TL
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 £426,465, ranging from £305,670 to £609,051.
- 22 Blackfen Road
3 Bed House | 9 m | Est. Value: £465,448
- 26 Blackfen Road
4 Bed House | 26 m | Est. Value: £609,051
- 25 Rider Close
3 Bed House | 39 m | Est. Value: £417,137
- 3, Martel Court 28 Blackfen Road
2 Bed Flat | 39 m | Est. Value: £305,670
- 4, Martel Court 28 Blackfen Road
2 Bed Flat | 39 m | Est. Value: £306,779
Location Comparison
Our analysis of the public data ranks 20, Blackfen Road, Sidcup as the 342nd largest and the 241st most expensive of the 427 addresses on Blackfen Road, Sidcup, DA15.
Against the DA15 postcode district average, it is £94k less expensive than the typical property.
More reading links
Schools Nearby
- Alderwood Primary School300 m away
- Our Lady of the Rosary Catholic Primary School400 m away
- Days Lane Primary School800 m away
- Harris Academy Falconwood800 m away
- Leigh Stationers' Academy900 m away
- Bexley Grammar School1.4 km away
More reading links
Public Transport Nearby
- Falconwood|1.2 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.












