St. Margarets Avenue - N20 9LL
Key Postcode Insights
N20 9LL is a residential postcode situated on St. Margarets Avenue, London, N20 with 32 addresses.
It ranks as the 447th largest and 297th 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 32 properties: 29 houses and 3 flats.
- Ave. Sale Price
- £854,924
- 10 Year change
- up 3.6%
- Ave. Rental Price
- £3,314pcm
- 10 Year change
- up 32.6%
- Ave. £ per ft²
- £721/ft²
- Ave. Gross Yield
- 4.7%/year/yr
Key Postcode Insights
N20 9LL is a residential postcode situated on St. Margarets Avenue, London, N20 with 32 addresses.
It ranks as the 447th largest and 297th 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 32 properties: 29 houses and 3 flats.
- Ave. Sale Price
- £854,924
- 10 Year change
- up 3.6%
- Ave. Rental Price
- £3,314pcm
- 10 Year change
- up 32.6%
- Ave. £ per ft²
- £721/ft²
- Ave. Gross Yield
- 4.7%/year/yr
Explore Propertiesin N20 9LL
- 1 St. Margarets Avenue
Unknown
- 3 St. Margarets Avenue
4 Bed Early-century House
- 5 St. Margarets Avenue
4 Bed Early-century House
- 7 St. Margarets Avenue
3 Bed Early-century House
- 9 St. Margarets Avenue
Unknown
Sales Market Trends
The last sale in N20 9LL sold for £820,000 on 9th December 2025. Since then prices are up an average of 0.2%.
The current average value in the postcode is £854,924.
The N20 9LL Sales Market has increased by 3.6% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 1% | £854,924 |
| June 2025 | -0.2% | £846,416 |
| June 2024 | -1.5% | £847,919 |
| June 2023 | -0.8% | £860,734 |
| June 2022 | 6.6% | £867,961 |
| June 2021 | 1.1% | £814,417 |
| June 2020 | 3.9% | £805,557 |
| June 2019 | -1.4% | £774,947 |
| June 2018 | -4.3% | £785,595 |
| June 2017 | -0.5% | £821,203 |
| June 2016 | 10.7% | £825,462 |
| June 2015 | 9.8% | £745,726 |
| June 2014 | 16.5% | £679,148 |
| June 2013 | 5.1% | £582,879 |
| June 2012 | 4.2% | £554,354 |
| June 2011 | 2.6% | £531,869 |
| June 2010 | 12.7% | £518,615 |
| June 2009 | -9.8% | £460,182 |
| June 2008 | 3.6% | £510,134 |
| June 2007 | 0% | £492,426 |
Rental Market Trends
The current average rental value in the postcode is £3,314.
The N20 9LL Rental Market has increased by 32.6% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 5.1% | £3,314pcm |
| June 2025 | 1% | £3,154pcm |
| June 2024 | 3.2% | £3,124pcm |
| June 2023 | 13% | £3,026pcm |
| June 2022 | 7.7% | £2,678pcm |
| June 2021 | 0% | £2,487pcm |
| June 2020 | 3.6% | £2,488pcm |
| June 2019 | 0.4% | £2,400pcm |
| June 2018 | -1.3% | £2,391pcm |
| June 2017 | -3.1% | £2,422pcm |
| June 2016 | 3.5% | £2,499pcm |
| June 2015 | 4.9% | £2,414pcm |
| June 2014 | 4.9% | £2,302pcm |
| June 2013 | 2.9% | £2,193pcm |
| June 2012 | 7.4% | £2,132pcm |
| June 2011 | 9.3% | £1,985pcm |
| June 2010 | 3.7% | £1,817pcm |
| June 2009 | -5.5% | £1,752pcm |
| June 2008 | 3.3% | £1,854pcm |
| June 2007 | 0% | £1,795pcm |
Sales History
The last sale was on 9th December 2025 for £820,000 and since then the market in the area has increased by 0.2%. The postcode has had a total of 38 sales since 1995.
N20 9LL has seen 3 sales in the last three years and 1 sale in the last twelve months.
- Sold Dec 2025£820,000 | 3 Bed House29, St. Margarets Avenue, London, N20 9LL29, St. Margarets Avenue, London, N20 9LL
- Sold Aug 2023£450,000 | 3 Bed FlatFlat 2, 55, St. Margarets Avenue, London, N20 9LLFlat 2, 55, St. Margarets Avenue, London, N20 9LL
- Sold Mar 2023£771,000 | 3 Bed House13, St. Margarets Avenue, London, N20 9LL13, St. Margarets Avenue, London, N20 9LL
- Sold Jun 2021£960,000 | 4 Bed House37, St. Margarets Avenue, London, N20 9LL37, St. Margarets Avenue, London, N20 9LL
- Sold Apr 2021£772,000 | 3 Bed House31, St. Margarets Avenue, London, N20 9LL31, St. Margarets Avenue, London, N20 9LL
Nearby Postcodes
N20 9LL is the 447th largest and the 297th most expensive postcode out of the 504 postcodes in the N20 area.
- N20 9LJ, St. Margarets Avenue, London, N20N20 9LJ35 Addresses|39 m away
- N20 9HR, High Road, London, N20N20 9HR35 Addresses|93 m away
- N20 9LH, Blakeney Close, London, N20N20 9LH12 Addresses|99 m away
- N20 9QL, Allum Way, London, N20N20 9QL2 Addresses|101 m away
- N20 9BP, Greenoak Close, London, N20N20 9BP7 Addresses|103 m away
Property Types
- 1 modern flat built after 1980
- 1 house of an unknown age
- 18 early-century houses built between 1912 and 1935
- 2 early-century flats built between 1912 and 1935
- 10 other addresses of unknown type
- modern flat (1)
- house (1)
- early-century house (18)
- early-century flat (2)
- Unknown (10)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 21 properties.
- The most common rating is D.
- A (0)
- E (0)
- B (1)
- F (1)
- C (3)
- G (0)
- D (16)
- No EPC (11)
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 School600 m away
- Queenswell Infant & Nursery School700 m away
- Finchley Catholic High School1.0 km away
- The Totteridge Academy1.8 km away
- St Andrew the Apostle Greek Orthodox School1.8 km away
More reading links
Public Transport Nearby
The closest station to N20 9LL 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
