Our Data Sources
347, Blackfen Road, Sidcup has 21 entries in the Land Registry, most recently in June 2022 and a single entry in the EPC database dated June 2021.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 5 out of 5 and is considered of high accuracy.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
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 347, Blackfen Road, Sidcup, we estimate a market value of £557,191 and a rental value of £2,694 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £493,512 and £2,386 per month respectively.
Plot Size
HM Land Registry records the plot of land for 347, Blackfen Road, Sidcup as measuring 567 m2.
That makes it the 5th largest plot in the postcode, where 30 of the 32 other houses have recorded plot data.
Energy Efficiency
347, Blackfen Road, Sidcup has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 29 Jun 2021.
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 347, Blackfen Road, Sidcup completed on 1st June 2022 at £460,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold twice.
Values of comparable properties have risen by 13.9% over the period since June 2022.
- Sold Jun 2022£460,000
- Sold Mar 2000£103,000
Similar Properties Sold Nearby
Since 2020 154 properties similar to 347, Blackfen Road, Sidcup have sold within a radius of 490 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 8th April 2026, was 126, Radnor Avenue, Welling, DA16 2BY, a freehold house which sold for £500,000.
Read more about house prices in DA15.
- Sold Apr 2026£500,000 | 4 Bed House126, Radnor Avenue, Welling, DA16 2BY126, Radnor Avenue, Welling, DA16 2BY
- Sold Mar 2026£525,000 | 3 Bed House46, Wellington Avenue, Sidcup, DA15 9HE46, Wellington Avenue, Sidcup, DA15 9HE
- Sold Jul 2025£455,000 | 3 Bed House405, Blackfen Road, Sidcup, DA15 9NN405, Blackfen Road, Sidcup, DA15 9NN
- Sold Mar 2025£510,000 | 4 Bed House42, Portland Avenue, Sidcup, DA15 9HA42, Portland Avenue, Sidcup, DA15 9HA
- Sold Mar 2025£465,000 | 4 Bed House13, Rochester Close, Sidcup, DA15 9PG13, Rochester Close, Sidcup, DA15 9PG
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 £494,581, ranging from £393,186 to £698,116.
- 343A Blackfen Road
3 Bed House | 13 m | Est. Value: £399,360
- 343 Blackfen Road
3 Bed House | 20 m | Est. Value: £393,186
- 351 Blackfen Road
5 Bed House | 22 m | Est. Value: £698,116
- 353 Blackfen Road
4 Bed House | 30 m | Est. Value: £520,770
- 355 Blackfen Road
3 Bed House | 36 m | Est. Value: £466,832
Location Comparison
Of the 427 addresses on Blackfen Road, Sidcup, DA15, 347, Blackfen Road, Sidcup comes out as the 86th largest and the 82nd most expensive in our analysis of the public data.
It is also £27k more expensive than the average property across the DA15 district.
More reading links
Schools Nearby
- Sherwood Park Primary School400 m away
- Days Lane Primary School800 m away
- Danson Primary School800 m away
- Blackfen School for Girls200 m away
- Bexley Grammar School700 m away
- Hurstmere School1.3 km away
More reading links
Public Transport Nearby
- Welling|1.7 km away
- Sidcup|1.8 km away
- Albany Park|2.0 km away
Available Internet Speeds
Broadband here reaches ultrafast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












