Our Data Sources
99, Blackfen Road, Sidcup has 41 entries in the Land Registry, most recently in June 2021 and a single entry in the EPC database dated January 2017.
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 99, Blackfen Road, Sidcup, we estimate a market value of £493,828 and a rental value of £2,305 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £437,390 and £2,041 per month respectively.
Plot Size
HM Land Registry records the plot of land for 99, Blackfen Road, Sidcup as measuring 344 m2.
That makes it the 12th largest plot in the postcode, where 35 of the 39 other houses have recorded plot data.
Energy Efficiency
99, Blackfen Road, Sidcup has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 03 Jan 2017.
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 99, Blackfen Road, Sidcup completed on 25th June 2021 at £465,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold 4 times.
Values of comparable properties have risen by 13.1% over the period since June 2021.
- Sold Jun 2021£465,000
- Sold Dec 2014£307,995
- Sold Jul 2004£239,000
Similar Properties Sold Nearby
Since 2019 374 properties similar to 99, Blackfen Road, Sidcup have sold within a radius of 480 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 6th February 2026, was 49, Ridgeway West, Sidcup, DA15 8SF, a freehold house which sold for £478,000.
Read more about house prices in DA15.
- Sold Feb 2026£478,000 | 3 Bed House49, Ridgeway West, Sidcup, DA15 8SF49, Ridgeway West, Sidcup, DA15 8SF
- Sold Nov 2025£405,000 | 3 Bed House135, Blackfen Road, Sidcup, DA15 8PZ135, Blackfen Road, Sidcup, DA15 8PZ
- Sold Oct 2025£485,000 | 3 Bed House7, Leechcroft Avenue, Sidcup, DA15 8RR7, Leechcroft Avenue, Sidcup, DA15 8RR
- Sold Sep 2025£470,000 | 3 Bed House56, Orchard Rise East, Sidcup, DA15 8RT56, Orchard Rise East, Sidcup, DA15 8RT
- Sold Jul 2025£418,000 | 3 Bed House35, Orchard Rise East, Sidcup, DA15 8RU35, Orchard Rise East, Sidcup, DA15 8RU
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 £418,335, ranging from £260,532 to £551,348.
- 97 Blackfen Road
3 Bed House | 6 m | Est. Value: £461,176
- 101 Blackfen Road
3 Bed House | 10 m | Est. Value: £451,851
- 103 Blackfen Road
3 Bed House | 17 m | Est. Value: £451,568
- 93 Blackfen Road
3 Bed House | 24 m | Est. Value: £464,242
- 105 Blackfen Road
3 Bed House | 29 m | Est. Value: £467,287
Location Comparison
Of the 427 addresses on Blackfen Road, Sidcup, DA15, 99, Blackfen Road, Sidcup comes out as the 206th largest and the 141st most expensive in our analysis of the public data.
It is also £33k less expensive than the average property across the DA15 district.
More reading links
Schools Nearby
- Our Lady of the Rosary Catholic Primary School500 m away
- Days Lane Primary School600 m away
- Alderwood Primary School600 m away
- Harris Academy Falconwood700 m away
- Bexley Grammar School1.1 km away
- Leigh Stationers' Academy1.2 km away
More reading links
Public Transport Nearby
- Falconwood|1.3 km away
- Welling|1.6 km away
- Sidcup|2.1 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.












