St. Margarets Avenue - N20 9LJ
Key Postcode Insights
N20 9LJ is a residential postcode situated on St. Margarets Avenue, London, N20 with 35 addresses.
It ranks as the 457th largest and 264th most expensive of the 504 postcodes in the N20 area. The most common property type is a early-century house built between 1912 and 1935.
The postcode contains a total of 35 properties: 34 houses and 1 flat.
- Ave. Sale Price
- £809,724
- 10 Year change
- up 7.7%
- Ave. Rental Price
- £3,270pcm
- 10 Year change
- up 37.9%
- Ave. £ per ft²
- £733/ft²
- Ave. Gross Yield
- 4.8%/year/yr
Key Postcode Insights
N20 9LJ is a residential postcode situated on St. Margarets Avenue, London, N20 with 35 addresses.
It ranks as the 457th largest and 264th most expensive of the 504 postcodes in the N20 area. The most common property type is a early-century house built between 1912 and 1935.
The postcode contains a total of 35 properties: 34 houses and 1 flat.
- Ave. Sale Price
- £809,724
- 10 Year change
- up 7.7%
- Ave. Rental Price
- £3,270pcm
- 10 Year change
- up 37.9%
- Ave. £ per ft²
- £733/ft²
- Ave. Gross Yield
- 4.8%/year/yr
Explore Propertiesin N20 9LJ
- 2 St. Margarets Avenue
4 Bed Early-century House
- 6 St. Margarets Avenue
3 Bed Early-century House
- 8 St. Margarets Avenue
3 Bed Early-century House
Sales Market Trends
The last sale in N20 9LJ sold for £950,000 on 25th November 2025. Since then prices are up an average of 0.3%.
The current average value in the postcode is £809,724.
The N20 9LJ Sales Market has increased by 7.7% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 1.2% | £809,724 |
| June 2025 | 0.5% | £800,224 |
| June 2024 | -1.5% | £796,360 |
| June 2023 | -0.5% | £808,865 |
| June 2022 | 7.4% | £813,122 |
| June 2021 | 2% | £757,305 |
| June 2020 | 4.2% | £742,503 |
| June 2019 | -1.3% | £712,577 |
| June 2018 | -3.9% | £722,245 |
| June 2017 | 0% | £751,513 |
| June 2016 | 10.6% | £751,878 |
| June 2015 | 9.8% | £679,850 |
| June 2014 | 16.6% | £619,124 |
| June 2013 | 5% | £530,971 |
| June 2012 | 4.8% | £505,731 |
| June 2011 | 2.8% | £482,789 |
| June 2010 | 14% | £469,709 |
| June 2009 | -9.5% | £411,964 |
| June 2008 | 3.2% | £455,305 |
| June 2007 | 0% | £441,033 |
Rental Market Trends
The current average rental value in the postcode is £3,270.
The N20 9LJ Rental Market has increased by 37.9% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 5.3% | £3,270pcm |
| June 2025 | 1.6% | £3,106pcm |
| June 2024 | 3.2% | £3,056pcm |
| June 2023 | 13.4% | £2,962pcm |
| June 2022 | 8.5% | £2,613pcm |
| June 2021 | 0.9% | £2,409pcm |
| June 2020 | 3.9% | £2,388pcm |
| June 2019 | 0.4% | £2,299pcm |
| June 2018 | -0.8% | £2,290pcm |
| June 2017 | -2.6% | £2,309pcm |
| June 2016 | 3.4% | £2,371pcm |
| June 2015 | 4.9% | £2,292pcm |
| June 2014 | 5% | £2,186pcm |
| June 2013 | 2.7% | £2,081pcm |
| June 2012 | 7.9% | £2,026pcm |
| June 2011 | 9.5% | £1,877pcm |
| June 2010 | 4.9% | £1,715pcm |
| June 2009 | -5.2% | £1,634pcm |
| June 2008 | 2.9% | £1,724pcm |
| June 2007 | 0% | £1,675pcm |
Sales History
The last sale was on 25th November 2025 for £950,000 and since then the market in the area has increased by 0.3%. The postcode has had a total of 42 sales since 1995.
N20 9LJ has seen 3 sales in the last three years and 1 sale in the last twelve months.
- Sold Nov 2025£950,000 | 4 Bed House54, St. Margarets Avenue, London, N20 9LJ54, St. Margarets Avenue, London, N20 9LJ
- Sold May 2024£825,550 | 3 Bed House28, St. Margarets Avenue, London, N20 9LJ28, St. Margarets Avenue, London, N20 9LJ
- Sold May 2023£740,000 | 3 Bed House20, St. Margarets Avenue, London, N20 9LJ20, St. Margarets Avenue, London, N20 9LJ
- Sold Oct 2021£750,000 | 3 Bed House32, St. Margarets Avenue, London, N20 9LJ32, St. Margarets Avenue, London, N20 9LJ
- Sold Aug 2021£430,000 | 2 Bed Flat34, St. Margarets Avenue, London, N20 9LJ34, St. Margarets Avenue, London, N20 9LJ
Nearby Postcodes
N20 9LJ is the 457th largest and the 264th most expensive postcode out of the 504 postcodes in the N20 area.
- N20 9LL, St. Margarets Avenue, London, N20N20 9LL32 Addresses|39 m away
- N20 9HR, High Road, London, N20N20 9HR35 Addresses|72 m away
- N20 9HX, High Road, London, N20N20 9HX9 Addresses|88 m away
- N20 9LH, Blakeney Close, London, N20N20 9LH12 Addresses|105 m away
- N20 9HS, High Road, London, N20N20 9HS21 Addresses|110 m away
Property Types
- 1 flat of an unknown age
- 19 early-century houses built between 1912 and 1935
- 15 other addresses of unknown type
- flat (1)
- early-century house (19)
- Unknown (15)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 19 properties.
- The most common rating is D.
- A (0)
- E (4)
- B (0)
- F (1)
- C (5)
- G (0)
- D (9)
- No EPC (16)
Top 3 Most Expensive Sales
- Sold Jun 2021£960,000 | 4 Bed House37, St. Margarets Avenue, London, N20 9LL37, St. Margarets Avenue, London, N20 9LL
- Sold Nov 2025£950,000 | 4 Bed House54, St. Margarets Avenue, London, N20 9LJ54, St. Margarets Avenue, London, N20 9LJ
- Sold Dec 2020£895,000 | 4 Bed House5, St. Margarets Avenue, London, N20 9LL5, St. Margarets Avenue, London, N20 9LL
Schools Nearby
- Alma Primary500 m away
- St John's CofE Primary and Nursery School500 m away
- Queenswell Infant & Nursery School700 m away
- Finchley Catholic High School1.0 km away
- St Andrew the Apostle Greek Orthodox School1.8 km away
- The Totteridge Academy1.8 km away
More reading links
Public Transport Nearby
The closest station to N20 9LJ is Totteridge & Whetstone station, which is 200 metres away.
- Totteridge & Whetstone|200 m away
- Oakleigh Park|1.0 km away
- Woodside Park|1.6 km away
- New Barnet|1.9 km away