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Bricks&Logic is a trading name of Urban Markets Ltd
Company No. 11113204
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VAT No. GB 287 0845 68
Registered Address: 2 Leman St, London E1 8FA
N21 1SXHouse Prices / London, Enfield, Sydenham Avenue
Last updated May 2026
Key Postcode Insights
N21 1SX is a residential postcode situated on Sydenham Avenue, London, N21 with 20 addresses.
It ranks as the 325th largest and 67th most expensive of the 520 postcodes in the N21 area. The dominant property type is a modern flat built after 1980.
The postcode contains a total of 20 properties: 5 houses and 15 flats.
20
Properties
- Houses
- Flats
Key Postcode Insights
N21 1SX is a residential postcode situated on Sydenham Avenue, London, N21 with 20 addresses.
It ranks as the 325th largest and 67th most expensive of the 520 postcodes in the N21 area. The dominant property type is a modern flat built after 1980.
The postcode contains a total of 20 properties: 5 houses and 15 flats.
20
Properties
- Houses
- Flats
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House Pricesin N21 1SX
Sale prices range from £296,299 for 1 bedroom leasehold flats (473 ft2) to £646,618 for 3 bedroom freehold houses with a garden (1,091 ft2) .
Monthly rental prices range from £1,276 pcm for 1 bed flats to £2,740 pcm for 3 bed houses.
The gross rental yield is between 5.0% and 5.3%.
The average value per square foot is £593.
Average Sale Value
£397,786
Average Rental Value
£1,710 pcm
Average Rental Yield
5.2% /year
Average Value Per Sqft
£593 /ft2
Sales Market Trendsin N21 1SX
The last sale in N21 1SX sold for £370,000 on 24th June 2021. Since then prices are up an average of 2.5%.
The current average value in the postcode is £397,786.
The N21 1SX Sales Market has increased by 5.1% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| April 2026 | 0.5% | £397,786 |
| April 2025 | 0% | £395,611 |
| April 2024 | -2.3% | £395,597 |
| April 2023 | 1.2% | £405,011 |
| April 2022 | 4.3% | £400,146 |
| April 2021 | 1.8% | £383,589 |
| April 2020 | 0.7% | £376,963 |
| April 2019 | -2% | £374,361 |
| April 2018 | -1.3% | £382,155 |
| April 2017 | 2.3% | £386,996 |
| April 2016 | 11.2% | £378,458 |
| April 2015 | 13.4% | £340,327 |
| April 2014 | 15.2% | £300,142 |
| April 2013 | 6.4% | £260,463 |
| April 2012 | -0.7% | £244,710 |
| April 2011 | 2.3% | £246,340 |
| April 2010 | 7% | £240,770 |
| April 2009 | -12% | £224,914 |
| April 2008 | 6.4% | £255,482 |
| April 2007 | 0% | £240,050 |
Rental Market Trendsin N21 1SX
The current average rental value in the postcode is £1,710.
The N21 1SX Rental Market has increased by 33.4% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| April 2026 | 3.8% | £1,710pcm |
| April 2025 | 2.8% | £1,648pcm |
| April 2024 | 8.1% | £1,603pcm |
| April 2023 | 12% | £1,483pcm |
| April 2022 | 3.9% | £1,324pcm |
| April 2021 | -0.8% | £1,274pcm |
| April 2020 | 1.7% | £1,284pcm |
| April 2019 | -0.2% | £1,263pcm |
| April 2018 | -0.3% | £1,266pcm |
| April 2017 | -0.9% | £1,270pcm |
| April 2016 | 4.4% | £1,281pcm |
| April 2015 | 7.5% | £1,227pcm |
| April 2014 | 4.9% | £1,142pcm |
| April 2013 | 3.6% | £1,088pcm |
| April 2012 | 4.3% | £1,051pcm |
| April 2011 | 4% | £1,008pcm |
| April 2010 | 4.7% | £969pcm |
| April 2009 | -4.1% | £925pcm |
| April 2008 | 6.8% | £965pcm |
| April 2007 | 0% | £903pcm |
Properties and Buildingsin N21 1SX, Sydenham Avenue, London, N21
Sales Historyin N21 1SX
The last sale was on 24th June 2021 for £370,000 and since then the market in the area has increased by 2.5%. The postcode has had a total of 74 sales since 1995.
N21 1SX has seen no sales in the last three years and no sales in the last twelve months.
Sold Jun 2021£370,000 | 2 Bed FlatAvon House 1, Sydenham AvenueFlat 15, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold Mar 2021£591,000 | 3 Bed HouseSydenham Avenue8, Sydenham Avenue, London, N21 1SX
Sold Jan 2020£288,000 | 1 Bed FlatAvon House 1, Sydenham AvenueFlat 8, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold Oct 2019£335,000 | 2 Bed FlatAvon House 1, Sydenham AvenueFlat 10, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold Jan 2019£453,000 | 3 Bed HouseSydenham Avenue4, Sydenham Avenue, London, N21 1SX
Sold Feb 2018£330,000 | 2 Bed FlatAvon House 1, Sydenham AvenueFlat 12, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold Dec 2016£325,000 | 2 Bed FlatAvon House 1, Sydenham AvenueFlat 15, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold Sep 2016£330,000 | 2 Bed FlatAvon House 1, Sydenham AvenueFlat 1, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold Apr 2016£346,000 | 2 Bed FlatAvon House 1, Sydenham AvenueFlat 10, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold May 2015£295,000 | 2 Bed FlatAvon House 1, Sydenham AvenueFlat 4, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold Mar 2015£230,000 | 1 Bed FlatAvon House 1, Sydenham AvenueFlat 8, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold Nov 2014£289,950 | 2 Bed FlatAvon House 1, Sydenham AvenueFlat 11, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold Sep 2014£460,000 | 3 Bed HouseSydenham Avenue6, Sydenham Avenue, London, N21 1SX
Sold May 2014£305,000 | 2 Bed FlatAvon House 1, Sydenham AvenueFlat 7, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold Feb 2014£330,000 | 3 Bed HouseSydenham Avenue4, Sydenham Avenue, London, N21 1SX
Sold Jan 2014£245,000 | 2 Bed FlatAvon House 1, Sydenham AvenueFlat 5, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold Jul 2013£217,500 | 2 Bed FlatAvon House 1, Sydenham AvenueFlat 12, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold Aug 2012£225,000 | 2 Bed FlatAvon House 1, Sydenham AvenueFlat 15, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold Sep 2010£219,500 | 2 Bed FlatAvon House 1, Sydenham AvenueFlat 11, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold Sep 2009£305,000 | 3 Bed HouseSydenham Avenue8, Sydenham Avenue, London, N21 1SX
Sold Jun 2008£329,000 | 3 Bed HouseSydenham Avenue6, Sydenham Avenue, London, N21 1SX
Sold Sep 2007£185,000 | 1 Bed FlatAvon House 1, Sydenham AvenueFlat 3, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold Aug 2007£214,000 | 2 Bed FlatAvon House 1, Sydenham AvenueFlat 6, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold Jul 2007£230,000 | 2 Bed FlatAvon House 1, Sydenham AvenueFlat 1, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold Mar 2007£195,000 | 2 Bed FlatAvon House 1, Sydenham AvenueFlat 12, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold Dec 2006£235,000 | 3 Bed HouseSydenham Avenue4, Sydenham Avenue, London, N21 1SX
Sold Nov 2006£205,000 | 2 Bed FlatAvon House 1, Sydenham AvenueFlat 10, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold Mar 2006£180,000 | 2 Bed FlatAvon House 1, Sydenham AvenueFlat 4, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold Nov 2005£190,000 | 2 Bed FlatAvon House 1, Sydenham AvenueFlat 15, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold Sep 2004£178,500 | 2 Bed FlatAvon House 1, Sydenham AvenueFlat 10, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold Sep 2004£156,000 | 1 Bed FlatAvon House 1, Sydenham AvenueFlat 8, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold Jul 2004£193,000 | 2 Bed FlatAvon House 1, Sydenham AvenueFlat 6, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold Dec 2003£288,000 | 3 Bed HouseSydenham Avenue6, Sydenham Avenue, London, N21 1SX
Sold Sep 2003£180,000 | 2 Bed FlatAvon House 1, Sydenham AvenueFlat 9, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold Aug 2003£249,950 | 3 Bed HouseSydenham Avenue2, Sydenham Avenue, London, N21 1SX
Sold Apr 2003£182,000 | 2 Bed FlatAvon House 1, Sydenham AvenueFlat 15, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold Dec 2002£169,995 | 2 Bed FlatAvon House 1, Sydenham AvenueFlat 12, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold Oct 2002£175,995 | 2 Bed FlatAvon House 1, Sydenham AvenueFlat 1, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold Aug 2002£136,950 | 1 Bed FlatAvon House 1, Sydenham AvenueFlat 3, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold Feb 2002£143,000 | 2 Bed FlatAvon House 1, Sydenham AvenueFlat 2, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold Nov 2001£139,000 | 2 Bed FlatAvon House 1, Sydenham AvenueFlat 15, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold Sep 2001£137,000 | 2 Bed FlatAvon House 1, Sydenham AvenueFlat 11, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold May 2000£119,950 | 2 Bed FlatAvon House 1, Sydenham AvenueFlat 14, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold Feb 2000£96,000 | 1 Bed FlatAvon House 1, Sydenham AvenueFlat 3, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold Jan 2000£112,000 | 2 Bed FlatAvon House 1, Sydenham AvenueFlat 1, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold Nov 1999£115,000 | 2 Bed FlatAvon House 1, Sydenham AvenueFlat 9, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold Aug 1999£94,000 | 2 Bed FlatAvon House 1, Sydenham AvenueFlat 2, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold Apr 1999£76,000 | 1 Bed FlatAvon House 1, Sydenham AvenueFlat 8, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold Aug 1998£87,000 | 2 Bed FlatAvon House 1, Sydenham AvenueFlat 6, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold Jul 1998£88,000 | 2 Bed FlatAvon House 1, Sydenham AvenueFlat 15, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold Jul 1998£88,000 | 2 Bed FlatAvon House 1, Sydenham AvenueFlat 1, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold Jan 1998£63,500 | 1 Bed FlatAvon House 1, Sydenham AvenueFlat 3, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold Nov 1997£83,995 | 2 Bed FlatAvon House 1, Sydenham AvenueFlat 2, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold Oct 1997£80,000 | 2 Bed FlatAvon House 1, Sydenham AvenueFlat 1, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold Jul 1997£60,000 | 1 Bed FlatAvon House 1, Sydenham AvenueFlat 13, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold Mar 1997£79,995 | 2 Bed FlatAvon House 1, Sydenham AvenueFlat 4, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold Feb 1997£106,000 | 3 Bed HouseSydenham Avenue10, Sydenham Avenue, London, N21 1SX
Sold Feb 1997£127,950 | 3 Bed HouseSydenham Avenue8, Sydenham Avenue, London, N21 1SX
Sold Jun 1996£74,995 | 2 Bed FlatAvon House 1, Sydenham AvenueFlat 7, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold May 1996£82,995 | 2 Bed FlatAvon House 1, Sydenham AvenueFlat 1, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold May 1996£77,950 | 2 Bed FlatAvon House 1, Sydenham AvenueFlat 4, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold Mar 1996£102,000 | 3 Bed HouseSydenham Avenue2, Sydenham Avenue, London, N21 1SX
Sold Mar 1996£64,500 | 1 Bed FlatAvon House 1, Sydenham AvenueFlat 3, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold Mar 1996£66,500 | 1 Bed FlatAvon House 1, Sydenham AvenueFlat 13, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold Feb 1996£111,000 | 3 Bed HouseSydenham Avenue6, Sydenham Avenue, London, N21 1SX
Sold Feb 1996£78,950 | 2 Bed FlatAvon House 1, Sydenham AvenueFlat 6, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold Feb 1996£77,950 | 2 Bed FlatAvon House 1, Sydenham AvenueFlat 2, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold Feb 1996£90,000 | 3 Bed HouseSydenham Avenue4, Sydenham Avenue, London, N21 1SX
Sold Jan 1996£78,950 | 2 Bed FlatAvon House 1, Sydenham AvenueFlat 14, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold Dec 1995£76,950 | 2 Bed FlatAvon House 1, Sydenham AvenueFlat 12, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold Dec 1995£77,950 | 2 Bed FlatAvon House 1, Sydenham AvenueFlat 9, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold Dec 1995£79,950 | 2 Bed FlatAvon House 1, Sydenham AvenueFlat 11, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold Oct 1995£78,950 | 2 Bed FlatAvon House 1, Sydenham AvenueFlat 10, Avon House 1, Sydenham Avenue, London, N21 1SX
Sold Oct 1995£65,500 | 1 Bed FlatAvon House 1, Sydenham AvenueFlat 8, Avon House 1, Sydenham Avenue, London, N21 1SX
Nearby Postcodesto N21 1SX
N21 1SX is the 325th largest and the 67th most expensive postcode out of the 520 postcodes in the N21 area.
- 65 mN21 1SZ, Hanbury Drive, London, N21N21 1SZ65 Addresses
- 97 mN21 1TH, Anderson Close, London, N21N21 1TH44 Addresses
- 101 mN21 1SU, Fleming Drive, London, N21N21 1SU34 Addresses
- 105 mN21 1ST, Chadwick Avenue, London, N21N21 1ST10 Addresses
- 112 mN21 1SS, Laidlaw Drive, London, N21N21 1SS25 Addresses
- 126 mN21 1PJ, Worlds End Lane, London, N21N21 1PJ6 Addresses
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Property Typesin N21 1SX
- 2 modern houses built after 1980
- 15 modern flats built after 1980
- 1 house of an unknown age
- 2 other addresses of unknown type
- modern house (2)
- modern flat (15)
- house (1)
- Unknown (2)
Energy Efficiencyof properties in N21 1SX
- Energy Performance Certificate (EPC) surveys conducted for 13 properties.
- The dominant rating is C.
- A (0)
- E (1)
- B (0)
- F (0)
- C (7)
- G (0)
- D (5)
- No EPC (7)
Top 3 Most Expensive Saleson Sydenham Avenue
Schools Nearbyto N21 1SX
The nearest primary school to N21 1SX is Grange Park Primary School which is 207 metres away.
- 207mGrange Park Primary School
- 426mEversley Primary School
- 570mMerryhills Primary School
The nearest secondary school is Highlands School which is 297 metres away.
- 297mHighlands School
- 2.0kmSouthgate School
- 2.0kmEnfield Grammar School
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Public Transport Nearbyto N21 1SX
The closest station to N21 1SX is Grange Park station which is 1.1 kilometres away.
- 1.1kmGrange Park
- 1.4kmOakwood
- 1.6kmEnfield Chase
- 1.6kmWinchmore Hill
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