Our Data Sources
135, Blackfen Road, Sidcup has 31 entries in the Land Registry, most recently in November 2025 and a single entry in the EPC database dated November 2024.
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 135, Blackfen Road, Sidcup, we estimate a market value of £477,730 and a rental value of £2,248 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £423,132 and £1,991 per month respectively.
Plot Size
HM Land Registry records the plot of land for 135, Blackfen Road, Sidcup as measuring 283 m2.
That makes it the 31st largest plot in the postcode, where 35 of the 39 other houses have recorded plot data.
Energy Efficiency
135, Blackfen Road, Sidcup has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 29 Nov 2024.
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 135, Blackfen Road, Sidcup completed on 6th November 2025 at £405,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold 3 times.
Values of comparable properties have risen by 1.9% over the period since November 2025.
- Sold Nov 2025£405,000
- Sold Oct 2002£199,995
- Sold Aug 1998£94,000
Similar Properties Sold Nearby
Since 2019 419 properties similar to 135, Blackfen Road, Sidcup have sold within a radius of 470 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 16th April 2026, was 9, Chester Road, Sidcup, DA15 8SA, a freehold house which sold for £505,000.
Read more about house prices in DA15.
- Sold Apr 2026£505,000 | 3 Bed House9, Chester Road, Sidcup, DA15 8SA9, Chester Road, Sidcup, DA15 8SA
- 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
- Sold Apr 2025£379,000 | 3 Bed House6, Ridgeway East, Sidcup, DA15 8RZ6, Ridgeway East, Sidcup, DA15 8RZ
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 £466,172, ranging from £315,065 to £593,817.
- 137 Blackfen Road
3 Bed House | 8 m | Est. Value: £485,145
- 131 Blackfen Road
3 Bed House | 17 m | Est. Value: £448,697
- 141 Blackfen Road
3 Bed House | 26 m | Est. Value: £458,090
- 127 Blackfen Road
3 Bed House | 35 m | Est. Value: £425,951
- 143 Blackfen Road
3 Bed House | 39 m | Est. Value: £454,981
Location Comparison
Of the 427 addresses on Blackfen Road, Sidcup, DA15, 135, Blackfen Road, Sidcup comes out as the 252nd largest and the 191st most expensive in our analysis of the public data.
It is also £49k 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.
