Our Data Sources
427, Blackfen Road, Sidcup has no records in the Land Registry and a single entry in the EPC database dated August 2013.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 out of 5 and is considered of high 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 427, Blackfen Road, Sidcup, we estimate a market value of £529,584 and a rental value of £2,624 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £469,060 and £2,324 per month respectively.
Plot Size
HM Land Registry records the plot of land for 427, Blackfen Road, Sidcup as measuring 388 m2.
That makes it the 9th largest plot in the postcode, where 16 of the 17 other houses have recorded plot data.
Energy Efficiency
427, Blackfen Road, Sidcup has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 28 Aug 2013.
The property is not connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Similar Properties Sold Nearby
Since 2019 198 properties similar to 427, Blackfen Road, Sidcup have sold within a radius of 590 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 1st December 2025, was 10, Park Mead, Sidcup, DA15 9PE, a freehold house which sold for £450,000.
Read more about house prices in DA15.
- Sold Dec 2025£450,000 | 3 Bed House10, Park Mead, Sidcup, DA15 9PE10, Park Mead, Sidcup, DA15 9PE
- Sold Jul 2025£455,000 | 3 Bed House405, Blackfen Road, Sidcup, DA15 9NN405, Blackfen Road, Sidcup, DA15 9NN
- Sold Jun 2025£450,000 | 3 Bed House96, Westerham Drive, Sidcup, DA15 9NS96, Westerham Drive, Sidcup, DA15 9NS
- Sold Mar 2025£480,000 | 4 Bed House26, Harcourt Avenue, Sidcup, DA15 9LN26, Harcourt Avenue, Sidcup, DA15 9LN
- 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 £314,793, ranging from £220,484 to £468,795.
- 425A Blackfen Road
3 Bed House | 10 m | Est. Value: £399,874
- 429 Blackfen Road
3 Bed House | 12 m | Est. Value: £444,795
- 425 Blackfen Road
3 Bed House | 16 m | Est. Value: £463,502
- Flat 6, 423 Blackfen Road
1 Bed Flat | 27 m | Est. Value: £223,909
- Flat 2, 423 Blackfen Road
2 Bed Flat | 27 m | Est. Value: £287,171
Location Comparison
Of the 427 addresses on Blackfen Road, Sidcup, DA15, 427, Blackfen Road, Sidcup comes out as the 101st largest and the 113th most expensive in our analysis of the public data.
It is also £654 more expensive than the average property across the DA15 district.
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Schools Nearby
- Sherwood Park Primary School300 m away
- Danson Primary School1.0 km away
- Days Lane Primary School1.0 km away
- Blackfen School for Girls100 m away
- Bexley Grammar School900 m away
- Hurstmere School1.2 km away
More reading links
Public Transport Nearby
- Sidcup|1.8 km away
- Albany Park|1.8 km away
- Welling|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.












