Our Data Sources
343A, Blackfen Road, Sidcup has a single entry in the Land Registry from June 2016 and a single entry in the EPC database dated April 2016.
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.
Price Range & Condition
In very good condition, we estimate 343A, Blackfen Road, Sidcup would be worth £419,328, with a potential rental value of £2,139 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £371,404, with a rental value of £1,894 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
343A, Blackfen Road, Sidcup occupies a 317 m2 plot as recorded by HM Land Registry.
Of the 32 other houses in this postcode, 30 have recorded plot sizes, and this one ranks as the 22nd largest.
Energy Efficiency
343A, Blackfen Road, Sidcup has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 29 Apr 2016.
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
343A, Blackfen Road, Sidcup last changed hands on 30th June 2016, selling for £342,000. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
The market for similar properties has risen by 36.4% since June 2016.
- Sold Jun 2016£342,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 282 sales of comparable properties within 490 metres of 343A, Blackfen Road, Sidcup since 2020.
Most recently, 30, Maple Crescent, Sidcup, DA15 9LT, a freehold house, sold at £400,000 on the 24th April 2026.
Read more about house prices in DA15.
- Sold Apr 2026£400,000 | 2 Bed House30, Maple Crescent, Sidcup, DA15 9LT30, Maple Crescent, Sidcup, DA15 9LT
- Sold Apr 2026£360,000 | 2 Bed House17, Maple Crescent, Sidcup, DA15 9LT17, Maple Crescent, Sidcup, DA15 9LT
- Sold Mar 2026£400,000 | 3 Bed House144, Burns Avenue, Sidcup, DA15 9HR144, Burns Avenue, Sidcup, DA15 9HR
- Sold Dec 2025£400,000 | 3 Bed House350, Blackfen Road, Sidcup, DA15 9NY350, Blackfen Road, Sidcup, DA15 9NY
- Sold Nov 2025£340,000 | 3 Bed House370, Blackfen Road, Sidcup, DA15 9NY370, Blackfen Road, Sidcup, DA15 9NY
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 £406,672, ranging from £220,069 to £698,116.
- 343 Blackfen Road
3 Bed House | 7 m | Est. Value: £393,186
- 347 Blackfen Road
4 Bed House | 13 m | Est. Value: £530,658
- 351 Blackfen Road
5 Bed House | 35 m | Est. Value: £698,116
- 30 Merino Place
1 Bed Flat | 36 m | Est. Value: £220,069
- 28 Merino Place
2 Bed Flat | 36 m | Est. Value: £265,041
Location Comparison
Our analysis of the public data ranks 343A, Blackfen Road, Sidcup as the 290th largest and the 249th most expensive of the 427 addresses on Blackfen Road, Sidcup, DA15.
Against the DA15 postcode district average, it is £104k less expensive than the typical property.
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
Ofcom's latest figures show ultrafast broadband available in this area.
According to recent data from Ofcom, Ultrafast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












