Our Data Sources
203, Blackfen Road, Sidcup has 3 entries in the Land Registry, most recently in March 2025 and a single entry in the EPC database dated January 2025.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 3 out of 5 and is considered of medium accuracy.
Price Range & Condition
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 203, Blackfen Road, Sidcup, we estimate a market value of £495,146 and a rental value of £2,340 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £438,558 and £2,072 per month respectively.
Plot Size
HM Land Registry records the plot of land for 203, Blackfen Road, Sidcup as measuring 373 m2.
That makes it the 8th largest plot in the postcode, where all 13 other houses have recorded plot data.
Energy Efficiency
203, Blackfen Road, Sidcup has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 19 Jan 2025.
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
The most recent sale of 203, Blackfen Road, Sidcup completed on 25th March 2025 at £490,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold 3 times.
Values of comparable properties have dropped by 1.7% over the period since March 2025.
- Sold Mar 2025£490,000
- Sold Aug 2012£283,000
- Sold Mar 2012£175,000
Similar Properties Sold Nearby
Since 2019 384 properties similar to 203, Blackfen Road, Sidcup have sold within a radius of 470 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 29th April 2026, was 33, Sutherland Avenue, Welling, DA16 2NN, a freehold house which sold for £525,000.
Read more about house prices in DA15.
- Sold Apr 2026£525,000 | 3 Bed House33, Sutherland Avenue, Welling, DA16 2NN33, Sutherland Avenue, Welling, DA16 2NN
- Sold Feb 2026£465,000 | 3 Bed House167, Sutherland Avenue, Welling, DA16 2NW167, Sutherland Avenue, Welling, DA16 2NW
- Sold Jan 2026£575,000 | 3 Bed House20, Leechcroft Avenue, Sidcup, DA15 8RS20, Leechcroft Avenue, Sidcup, DA15 8RS
- Sold Oct 2025£485,000 | 3 Bed House7, Leechcroft Avenue, Sidcup, DA15 8RR7, Leechcroft Avenue, Sidcup, DA15 8RR
- Sold Oct 2025£380,000 | 3 Bed House35, Lyndon Avenue, Sidcup, DA15 8RL35, Lyndon Avenue, Sidcup, DA15 8RL
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 £468,942, ranging from £352,994 to £556,783.
- 201 Blackfen Road
3 Bed House | 6 m | Est. Value: £465,795
- 205 Blackfen Road
3 Bed House | 11 m | Est. Value: £468,691
- 197 Blackfen Road
3 Bed House | 26 m | Est. Value: £488,461
- 209 Blackfen Road
3 Bed House | 31 m | Est. Value: £515,635
- 213 Blackfen Road
4 Bed House | 48 m | Est. Value: £551,772
Location Comparison
Of the 427 addresses on Blackfen Road, Sidcup, DA15, 203, Blackfen Road, Sidcup comes out as the 180th largest and the 138th most expensive in our analysis of the public data.
It is also £32k less expensive than the average property across the DA15 district.
More reading links
Schools Nearby
- Days Lane Primary School500 m away
- Our Lady of the Rosary Catholic Primary School700 m away
- Danson Primary School800 m away
- Bexley Grammar School700 m away
- Blackfen School for Girls900 m away
- Harris Academy Falconwood1.1 km away
More reading links
Public Transport Nearby
- Welling|1.5 km away
- Falconwood|1.8 km away
- Sidcup|1.9 km away
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












