Our Data Sources
405, Blackfen Road, Sidcup has a single entry in the Land Registry from July 2025 and a single entry in the EPC database dated June 2018.
We combine this information with that 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
In very good condition, we estimate 405, Blackfen Road, Sidcup would be worth £491,307, with a potential rental value of £2,408 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £435,157, with a rental value of £2,133 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
405, Blackfen Road, Sidcup occupies a 292 m2 plot as recorded by HM Land Registry.
Of the 17 other houses in this postcode, 16 have recorded plot sizes, and this one ranks as the 13th largest.
Energy Efficiency
405, Blackfen Road, Sidcup has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 21 Jun 2018.
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
405, Blackfen Road, Sidcup last changed hands on 2nd July 2025, selling for £455,000. 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 7.9% since July 2025.
- Sold Jul 2025£455,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 220 sales of comparable properties within 580 metres of 405, Blackfen Road, Sidcup since 2016.
Most recently, 10, Park Mead, Sidcup, DA15 9PE, a freehold house, sold at £450,000 on the 1st December 2025.
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 Nov 2025£450,000 | 3 Bed House59, Park Mead, Sidcup, DA15 9PJ59, Park Mead, Sidcup, DA15 9PJ
- Sold Oct 2025£450,000 | 3 Bed House30, Wellan Close, Sidcup, DA15 9PN30, Wellan Close, Sidcup, DA15 9PN
- Sold Mar 2025£475,000 | 3 Bed House395A, Blackfen Road, Sidcup, DA15 9NJ395A, Blackfen Road, Sidcup, DA15 9NJ
- 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 £460,201, ranging from £366,119 to £582,997.
- 405B Blackfen Road
4 Bed House | 12 m | Est. Value: £492,005
- 409A Blackfen Road
4 Bed House | 23 m | Est. Value: £582,997
- 403 Blackfen Road
4 Bed House | 28 m | Est. Value: £537,764
- 18 Overcourt Close
3 Bed House | 29 m | Est. Value: £497,518
- 16 Overcourt Close
3 Bed House | 32 m | Est. Value: £481,339
Location Comparison
Our analysis of the public data ranks 405, Blackfen Road, Sidcup as the 117th largest and the 156th most expensive of the 427 addresses on Blackfen Road, Sidcup, DA15.
Against the DA15 postcode district average, it is £36k less expensive than the typical property.
More reading links
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
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












