Blackfen Road - DA15 8SN
Key Postcode Insights
DA15 8SN is a residential postcode situated on Blackfen Road, Sidcup, DA15 with 20 addresses.
It ranks as the 197th largest and 253rd most expensive of the 471 postcodes in the DA15 area. The most common property type is a modern house built after 1980.
The postcode contains a total of 20 properties: 14 houses and 6 flats.
- Ave. Sale Price
- £510,635
- 10 Year change
- up 22.1%
- Ave. Rental Price
- £2,347pcm
- 10 Year change
- up 58.1%
- Ave. £ per ft²
- £477/ft²
- Ave. Gross Yield
- 5.5%/year/yr
Key Postcode Insights
DA15 8SN is a residential postcode situated on Blackfen Road, Sidcup, DA15 with 20 addresses.
It ranks as the 197th largest and 253rd most expensive of the 471 postcodes in the DA15 area. The most common property type is a modern house built after 1980.
The postcode contains a total of 20 properties: 14 houses and 6 flats.
- Ave. Sale Price
- £510,635
- 10 Year change
- up 22.1%
- Ave. Rental Price
- £2,347pcm
- 10 Year change
- up 58.1%
- Ave. £ per ft²
- £477/ft²
- Ave. Gross Yield
- 5.5%/year/yr
Explore Propertiesin DA15 8SN
- Martel Court
Modern Building | 5 Units
- 6 Blackfen Road
5 Bed Early-century House
- 8 Blackfen Road
5 Bed Early-century House
- 10 Blackfen Road
4 Bed Early-century House
- 12 Blackfen Road
3 Bed Early-century House
Sales Market Trends
The last sale in DA15 8SN sold for £300,000 on 18th December 2025. Since then prices are down an average of 1.3%.
The current average value in the postcode is £510,635.
The DA15 8SN Sales Market has increased by 22.1% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | -0.5% | £510,635 |
| June 2025 | 1.8% | £513,352 |
| June 2024 | -1.3% | £504,196 |
| June 2023 | 1.1% | £511,046 |
| June 2022 | 6.7% | £505,338 |
| June 2021 | 4.9% | £473,421 |
| June 2020 | 3.7% | £451,197 |
| June 2019 | -0.5% | £435,276 |
| June 2018 | 0.7% | £437,604 |
| June 2017 | 4% | £434,687 |
| June 2016 | 14.4% | £418,064 |
| June 2015 | 13.8% | £365,555 |
| June 2014 | 13% | £321,184 |
| June 2013 | 4.8% | £284,210 |
| June 2012 | 1.2% | £271,233 |
| June 2011 | -0.5% | £267,946 |
| June 2010 | 10.4% | £269,351 |
| June 2009 | -12.9% | £243,994 |
| June 2008 | 0.6% | £280,108 |
| June 2007 | 0% | £278,364 |
Rental Market Trends
The current average rental value in the postcode is £2,347.
The DA15 8SN Rental Market has increased by 58.1% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 3.8% | £2,347pcm |
| June 2025 | 4.4% | £2,261pcm |
| June 2024 | 6.6% | £2,166pcm |
| June 2023 | 10.1% | £2,033pcm |
| June 2022 | 10.1% | £1,847pcm |
| June 2021 | 6% | £1,678pcm |
| June 2020 | 3.4% | £1,583pcm |
| June 2019 | 1.9% | £1,531pcm |
| June 2018 | 1.5% | £1,504pcm |
| June 2017 | -0.2% | £1,481pcm |
| June 2016 | 5.7% | £1,484pcm |
| June 2015 | 7.2% | £1,404pcm |
| June 2014 | 6.5% | £1,309pcm |
| June 2013 | 3% | £1,230pcm |
| June 2012 | 4.9% | £1,194pcm |
| June 2011 | 4.2% | £1,138pcm |
| June 2010 | 4.7% | £1,092pcm |
| June 2009 | -3.6% | £1,043pcm |
| June 2008 | 4.8% | £1,081pcm |
| June 2007 | 0% | £1,032pcm |
Sales History
The last sale was on 18th December 2025 for £300,000 and since then the market in the area has decreased by 1.3%. The postcode has had a total of 30 sales since 1995.
DA15 8SN has seen 8 sales in the last three years and 4 sales in the last twelve months.
- Sold Dec 2025£300,000 | 2 Bed Flat3, Martel Court 28, Blackfen Road, Sidcup, DA15 8SN3, Martel Court 28, Blackfen Road, Sidcup, DA15 8SN
- Sold Nov 2025£320,000 | 2 Bed Flat5, Martel Court 28, Blackfen Road, Sidcup, DA15 8SN5, Martel Court 28, Blackfen Road, Sidcup, DA15 8SN
- Sold Nov 2025£300,000 | 2 Bed Flat4, Martel Court 28, Blackfen Road, Sidcup, DA15 8SN4, Martel Court 28, Blackfen Road, Sidcup, DA15 8SN
- Sold Nov 2025£423,000 | 2 Bed Flat2, Martel Court 28, Blackfen Road, Sidcup, DA15 8SN2, Martel Court 28, Blackfen Road, Sidcup, DA15 8SN
- Sold Sep 2024£645,000 | 5 Bed House6, Blackfen Road, Sidcup, DA15 8SN6, Blackfen Road, Sidcup, DA15 8SN
Nearby Postcodes
DA15 8SN is the 197th largest and the 253rd most expensive postcode out of the 471 postcodes in the DA15 area.
- DA15 9NB, Blackfen Road, Sidcup, DA15DA15 9NB1 Addresses|52 m away
- DA15 8TL, Rider Close, Sidcup, DA15DA15 8TL53 Addresses|78 m away
- DA15 8QD, Blackfen Road, Sidcup, DA15DA15 8QD19 Addresses|90 m away
- DA15 8QB, Blackfen Road, Sidcup, DA15DA15 8QB15 Addresses|94 m away
- DA15 8RF, Raeburn Road, Sidcup, DA15DA15 8RF19 Addresses|110 m away
Property Types
- 7 modern houses built after 1980
- 2 mid-century houses built between 1936 and 1979
- 1 mid-century flat built between 1936 and 1979
- 1 house of an unknown age
- 5 early-century houses built between 1912 and 1935
- 1 early-century flat built between 1912 and 1935
- 3 other addresses of unknown type
- modern house (7)
- mid-century house (2)
- mid-century flat (1)
- house (1)
- early-century house (5)
- early-century flat (1)
- Unknown (3)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 12 properties.
- The most common rating is E.
- A (0)
- E (5)
- B (0)
- F (0)
- C (3)
- G (0)
- D (4)
- No EPC (8)
Top 3 Most Expensive Sales
- Sold Aug 2024£1,100,000 | 3 Bed House19-21, Blackfen Road, Sidcup, DA15 8QD19-21, Blackfen Road, Sidcup, DA15 8QD
- Sold Aug 2024£1,100,000 | 3 Bed Flat21A, Blackfen Road, Sidcup, DA15 8QD21A, Blackfen Road, Sidcup, DA15 8QD
- Sold Aug 2024£1,100,000 | 3 Bed Flat21A, Blackfen Road, Sidcup, DA15 8QD21A, Blackfen Road, Sidcup, DA15 8QD
Schools Nearby
- Alderwood Primary School300 m away
- Our Lady of the Rosary Catholic Primary School400 m away
- Days Lane Primary School800 m away
- Harris Academy Falconwood800 m away
- Leigh Stationers' Academy900 m away
- Bexley Grammar School1.4 km away
More reading links
Public Transport Nearby
The closest station to DA15 8SN is Falconwood station, which is 1.2 kilometres away.
- Falconwood|1.2 km away
- Welling|1.8 km away
- New Eltham|1.9 km away
- Sidcup|2.1 km away
