Our Data Sources
353, Blackfen Road, Sidcup has no records in the Land Registry and a single entry in the EPC database dated November 2015.
We combine this information with public data 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 353, Blackfen Road, Sidcup would be worth £546,808, with a potential rental value of £2,663 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £484,316, with a rental value of £2,358 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
353, Blackfen Road, Sidcup occupies a 380 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 18th largest.
Energy Efficiency
353, Blackfen Road, Sidcup has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 06 Nov 2015.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 187 sales of comparable properties within 500 metres of 353, Blackfen Road, Sidcup since 2017.
Most recently, 126, Radnor Avenue, Welling, DA16 2BY, a freehold house, sold at £500,000 on the 8th April 2026.
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£505,000 | 3 Bed House71, Sherwood Park Avenue, Sidcup, DA15 9HU71, Sherwood Park Avenue, Sidcup, DA15 9HU
Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Explore Nearby Properties
The surrounding properties have an average estimated value of £460,599, ranging from £388,761 to £698,116.
- 355 Blackfen Road
3 Bed House | 6 m | Est. Value: £466,832
- 351 Blackfen Road
5 Bed House | 9 m | Est. Value: £698,116
- 359 Blackfen Road
3 Bed House | 26 m | Est. Value: £487,154
- 347 Blackfen Road
4 Bed House | 30 m | Est. Value: £530,658
- 343A Blackfen Road
3 Bed House | 43 m | Est. Value: £399,360
Location Comparison
Our analysis of the public data ranks 353, Blackfen Road, Sidcup as the 95th largest and the 95th most expensive of the 427 addresses on Blackfen Road, Sidcup, DA15.
Against the DA15 postcode district average, it is £17k more expensive than the typical property.
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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.












