Our Data Sources
140, Blackfen Road, Sidcup has 41 entries in the Land Registry, most recently in December 2010 and a single entry in the EPC database dated September 2010.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 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
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If 140, Blackfen Road, Sidcup is in very good condition we estimate a sale value of £453,837 and a rental value of £2,303 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £401,970 and a rental value of £2,040 per month.
Plot Size
According to data from HM Land Registry, 140, Blackfen Road, Sidcup sits on a plot of 269 m2.
We have plot size data on 19 out of 22 other houses in the postcode and 140, Blackfen Road, Sidcup sits on the 11th largest plot.
Energy Efficiency
140, Blackfen Road, Sidcup has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 07 Sep 2010.
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
According to HM Land Registry, 140, Blackfen Road, Sidcup was last sold on 17th December 2010 for £215,000 and was recorded as a freehold house.
The property has had 4 sales since 1995.
Since December 2010, the market for similar properties has risen by 96.6%.
- Sold Dec 2010£215,000
- Sold Mar 1999£89,000
- Sold Oct 1997£73,995
Similar Properties Sold Nearby
According to the Land Registry and our network of Estate Agents, there have been 382 sales of properties similar to 140, Blackfen Road, Sidcup within a radius of 480 metres since 2020.
The most recent example is 135, Blackfen Road, Sidcup, DA15 8PZ, a freehold house which sold for £405,000 on the 6th November 2025.
Read more about house prices in DA15.
- Sold Nov 2025£405,000 | 3 Bed House135, Blackfen Road, Sidcup, DA15 8PZ135, Blackfen Road, Sidcup, DA15 8PZ
- Sold Oct 2025£485,000 | 3 Bed House7, Leechcroft Avenue, Sidcup, DA15 8RR7, Leechcroft Avenue, Sidcup, DA15 8RR
- Sold Sep 2025£405,000 | 3 Bed House13, Sycamore Avenue, Sidcup, DA15 8PL13, Sycamore Avenue, Sidcup, DA15 8PL
- Sold Sep 2025£440,000 | 3 Bed House5, Fairfield Close, Sidcup, DA15 8QS5, Fairfield Close, Sidcup, DA15 8QS
- Sold Jul 2025£418,000 | 3 Bed House35, Orchard Rise East, Sidcup, DA15 8RU35, Orchard Rise East, Sidcup, DA15 8RU
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 £348,575, ranging from £200,117 to £824,442.
- 136 Blackfen Road
5 Bed House | 13 m | Est. Value: £824,442
- 7 Orchard Court Blackfen Road
1 Bed Flat | 35 m | Est. Value: £220,863
- 9 Orchard Court Blackfen Road
1 Bed Flat | 35 m | Est. Value: £200,117
- 8 Orchard Court Blackfen Road
1 Bed Flat | 35 m | Est. Value: £231,014
- 5 Orchard Court Blackfen Road
1 Bed Flat | 35 m | Est. Value: £228,134
Location Comparison
Blackfen Road, Sidcup, DA15 has a total of 427 addresses. According to our analysis of all the public data, 140, Blackfen Road, Sidcup is the 198th largest and the 221st most expensive property on the street.
When compared to the postcode district it is £71k less expensive than the average property in DA15.
More reading links
Schools Nearby
- Days Lane Primary School400 m away
- Our Lady of the Rosary Catholic Primary School600 m away
- Alderwood Primary School900 m away
- Bexley Grammar School900 m away
- Harris Academy Falconwood1.0 km away
- Blackfen School for Girls1.0 km away
More reading links
Public Transport Nearby
- Welling|1.5 km away
- Falconwood|1.6 km away
- Sidcup|1.9 km away
Available Internet Speeds
According to recent data from Ofcom, Superfast Broadband is available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.
