20, Belsize Square - NW3 4HT
Key Building Insights
20, Belsize Square is a residential building situated on Belsize Square, London, NW3 with 2 addresses.
It ranks as the 203rd largest and 3441st most expensive of the 3,593 buildings in the NW3 area. The most common property type is a period flat built between 1800 and 1911.
The building contains a total of 2 properties: 2 flats.
- Ave. Sale Price
- £2,428,769
- 10 Year change
- down 6.2%
- Ave. Rental Price
- £7,424pcm
- 10 Year change
- up 43.4%
- Ave. £ per ft²
- £1,100/ft²
- Ave. Gross Yield
- 3.7%/year/yr
Key Building Insights
20, Belsize Square is a residential building situated on Belsize Square, London, NW3 with 2 addresses.
It ranks as the 203rd largest and 3441st most expensive of the 3,593 buildings in the NW3 area. The most common property type is a period flat built between 1800 and 1911.
The building contains a total of 2 properties: 2 flats.
- Ave. Sale Price
- £2,428,769
- 10 Year change
- down 6.2%
- Ave. Rental Price
- £7,424pcm
- 10 Year change
- up 43.4%
- Ave. £ per ft²
- £1,100/ft²
- Ave. Gross Yield
- 3.7%/year/yr
Sales Market Trends
The current average value in the building is £2,428,769.
The 20, Belsize Square Sales Market has decreased by 6.2% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | -2.7% | £2,428,769 |
| June 2025 | -1.2% | £2,495,324 |
| June 2024 | -1.2% | £2,524,545 |
| June 2023 | 0.1% | £2,555,245 |
| June 2022 | 4.4% | £2,553,008 |
| June 2021 | -0.4% | £2,446,308 |
| June 2020 | 0.9% | £2,455,271 |
| June 2019 | -0.2% | £2,433,456 |
| June 2018 | -2.7% | £2,437,840 |
| June 2017 | -3.2% | £2,505,342 |
| June 2016 | -0.7% | £2,589,120 |
| June 2015 | 2.3% | £2,607,824 |
| June 2014 | 13.5% | £2,549,446 |
| June 2013 | 8.4% | £2,245,691 |
| June 2012 | 10.8% | £2,070,801 |
| June 2011 | 7.5% | £1,868,210 |
| June 2010 | 24.1% | £1,738,604 |
| June 2009 | -13.2% | £1,401,365 |
| June 2008 | 9.6% | £1,615,385 |
| June 2007 | 0% | £1,473,561 |
Rental Market Trends
The current average rental value in the building is £7,424.
The 20, Belsize Square Rental Market has increased by 43.4% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 6.1% | £7,424pcm |
| June 2025 | 2.3% | £6,997pcm |
| June 2024 | 3.7% | £6,838pcm |
| June 2023 | 9.6% | £6,596pcm |
| June 2022 | 19.9% | £6,019pcm |
| June 2021 | -7% | £5,019pcm |
| June 2020 | 1.2% | £5,398pcm |
| June 2019 | 3.6% | £5,334pcm |
| June 2018 | 0.7% | £5,149pcm |
| June 2017 | -1.2% | £5,113pcm |
| June 2016 | -3.1% | £5,177pcm |
| June 2015 | 2.2% | £5,343pcm |
| June 2014 | -1% | £5,231pcm |
| June 2013 | -0.9% | £5,284pcm |
| June 2012 | 3.4% | £5,334pcm |
| June 2011 | 13.2% | £5,158pcm |
| June 2010 | 14.2% | £4,555pcm |
| June 2009 | -14.1% | £3,989pcm |
| June 2008 | 9% | £4,644pcm |
| June 2007 | 0% | £4,260pcm |
Property Types
- 2 period flats built between 1800 and 1911
- period flat (2)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys have been conducted for 2 properties.
- The most common rating is C.
- A (0)
- E (0)
- B (0)
- F (0)
- C (2)
- G (0)
- D (0)
- No EPC (0)
Top 3 Most Expensive Sales
- Sold Jul 2015£5,800,000 | 6 Bed House49, Belsize Square, London, NW3 4HN49, Belsize Square, London, NW3 4HN
- Sold Jan 2021£5,600,000 | 6 Bed House19, Belsize Square, London, NW3 4HT19, Belsize Square, London, NW3 4HT
- Sold Dec 2009£5,000,000 | 6 Bed House1, Belsize Square, London, NW3 4HT1, Belsize Square, London, NW3 4HT
Schools Nearby
- Holy Trinity CofE Primary School, NW3500 m away
- Rosary Catholic Primary School600 m away
- St Paul's Church of England Primary School800 m away
- The UCL Academy600 m away
- Harris Academy St John's Wood1.1 km away
- Haverstock School1.2 km away
More reading links
Public Transport Nearby
The closest station to 20, Belsize Square, London, NW3 4HT is Swiss Cottage station, which is 500 metres away.
- Swiss Cottage|500 m away
- Belsize Park|600 m away
- Finchley Road|600 m away
- South Hampstead|800 m away