Alleyn Park - SE21 8SL
Key Postcode Insights
SE21 8SL is a residential postcode situated on Alleyn Park, London, SE21 with 5 addresses.
It ranks as the 23rd largest and 175th most expensive of the 275 postcodes in the SE21 area. The most common property type is a modern house built after 1980.
The postcode contains a total of 5 properties: 5 houses.
- Ave. Sale Price
- £1,069,538
- 10 Year change
- up 15.6%
- Ave. Rental Price
- £4,818pcm
- 10 Year change
- up 55.7%
- Ave. £ per ft²
- £711/ft²
- Ave. Gross Yield
- 5.4%/year/yr
Key Postcode Insights
SE21 8SL is a residential postcode situated on Alleyn Park, London, SE21 with 5 addresses.
It ranks as the 23rd largest and 175th most expensive of the 275 postcodes in the SE21 area. The most common property type is a modern house built after 1980.
The postcode contains a total of 5 properties: 5 houses.
- Ave. Sale Price
- £1,069,538
- 10 Year change
- up 15.6%
- Ave. Rental Price
- £4,818pcm
- 10 Year change
- up 55.7%
- Ave. £ per ft²
- £711/ft²
- Ave. Gross Yield
- 5.4%/year/yr
Explore Propertiesin SE21 8SL
- 78 Alleyn Park
Unknown
- 80 Alleyn Park
4 Bed Modern House
- 82 Alleyn Park
5 Bed Modern House
- 84 Alleyn Park
4 Bed Modern House
- 86 Alleyn Park
3 Bed Modern House
Sales Market Trends
The last sale in SE21 8SL sold for £800,000 on 27th August 2025. Since then prices are up an average of 1.0%.
The current average value in the postcode is £1,069,538.
The SE21 8SL Sales Market has increased by 15.6% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 0% | £1,069,538 |
| June 2025 | 2.5% | £1,069,445 |
| June 2024 | 0.8% | £1,043,455 |
| June 2023 | -2.6% | £1,034,962 |
| June 2022 | 7.8% | £1,063,085 |
| June 2021 | 3.7% | £985,741 |
| June 2020 | 4.1% | £950,553 |
| June 2019 | 0.6% | £913,219 |
| June 2018 | -2.3% | £908,012 |
| June 2017 | 0.5% | £929,765 |
| June 2016 | 9.2% | £925,186 |
| June 2015 | 3.6% | £847,623 |
| June 2014 | 25% | £818,095 |
| June 2013 | 12.7% | £654,617 |
| June 2012 | 3.5% | £581,052 |
| June 2011 | 7.9% | £561,380 |
| June 2010 | 18.2% | £520,387 |
| June 2009 | -9.9% | £440,414 |
| June 2008 | 0.1% | £488,553 |
| June 2007 | 0% | £487,972 |
Rental Market Trends
The current average rental value in the postcode is £4,818.
The SE21 8SL Rental Market has increased by 55.7% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 7% | £4,818pcm |
| June 2025 | 3.5% | £4,503pcm |
| June 2024 | 6.4% | £4,352pcm |
| June 2023 | 10.2% | £4,089pcm |
| June 2022 | 12.3% | £3,709pcm |
| June 2021 | 1.7% | £3,303pcm |
| June 2020 | 3% | £3,247pcm |
| June 2019 | 3.8% | £3,153pcm |
| June 2018 | 1.9% | £3,039pcm |
| June 2017 | -3.6% | £2,983pcm |
| June 2016 | 5.8% | £3,094pcm |
| June 2015 | 3.4% | £2,923pcm |
| June 2014 | 3.9% | £2,827pcm |
| June 2013 | 4.3% | £2,722pcm |
| June 2012 | 9% | £2,610pcm |
| June 2011 | 13.9% | £2,393pcm |
| June 2010 | 9.1% | £2,102pcm |
| June 2009 | -4.2% | £1,927pcm |
| June 2008 | 0.8% | £2,010pcm |
| June 2007 | 0% | £1,995pcm |
Sales History
The last sale was on 27th August 2025 for £800,000 and since then the market in the area has increased by 1.0%. The postcode has had a total of 13 sales since 1995.
SE21 8SL has seen 1 sale in the last three years and 1 sale in the last twelve months.
- Sold Aug 2025£800,000 | 3 Bed House86, Alleyn Park, London, SE21 8SL86, Alleyn Park, London, SE21 8SL
- Sold Aug 2020£950,000 | 5 Bed House82, Alleyn Park, London, SE21 8SL82, Alleyn Park, London, SE21 8SL
- Sold May 2020£950,000 | 4 Bed House80, Alleyn Park, London, SE21 8SL80, Alleyn Park, London, SE21 8SL
- Sold Dec 2013£522,000 | 3 Bed House86, Alleyn Park, London, SE21 8SL86, Alleyn Park, London, SE21 8SL
- Sold Apr 2010£699,950 | 5 Bed House82, Alleyn Park, London, SE21 8SL82, Alleyn Park, London, SE21 8SL
Nearby Postcodes
SE21 8SL is the 23rd largest and the 175th most expensive postcode out of the 275 postcodes in the SE21 area.
- SE21 8ES, Park Hall Road, London, SE21SE21 8ES20 Addresses|104 m away
- SE21 8BN, Alleyn Crescent, London, SE21SE21 8BN14 Addresses|108 m away
- SE21 8AS, Alleyn Park, London, SE21SE21 8AS9 Addresses|121 m away
- SE21 8EU, Ildersly Grove, London, SE21SE21 8EU21 Addresses|145 m away
- SE21 8BG, Morkyns Walk, London, SE21SE21 8BG12 Addresses|165 m away
Property Types
- 4 modern houses built after 1980
- 1 other address of unknown type
- modern house (4)
- Unknown (1)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 4 properties.
- The most common rating is D.
- A (0)
- E (0)
- B (0)
- F (0)
- C (1)
- G (0)
- D (3)
- No EPC (1)
Top 3 Most Expensive Sales
- Sold Mar 2022£4,982,637 | 6 Bed House25, Alleyn Park, London, SE21 8AT25, Alleyn Park, London, SE21 8AT
- Sold Nov 2023£4,058,000 | 6 Bed House17, Alleyn Park, London, SE21 8AU17, Alleyn Park, London, SE21 8AU
- Sold Jul 2015£4,000,000 | 6 Bed House111, Alleyn Park, London, SE21 8AA111, Alleyn Park, London, SE21 8AA
Schools Nearby
- Elm Wood School600 m away
- Dulwich Wood Primary School600 m away
- Kingswood Primary School1.1 km away
- Kingsdale Foundation School500 m away
- The Elmgreen School1.1 km away
- The Norwood School1.7 km away
More reading links
Public Transport Nearby
The closest station to SE21 8SL is West Dulwich station, which is 500 metres away.
- West Dulwich|500 m away
- Sydenham Hill|700 m away
- Tulse Hill|1.3 km away
- West Norwood|1.3 km away