Key Street Insights
Belsize Square is a residential street with 264 addresses.
It ranks as the 307th largest and 103rd most expensive of the 329 streets in the NW3 area. The most common property type is a period flat built between 1800 and 1911.
The street contains a total of 264 properties: 4 houses and 260 flats.
- Ave. Sale Price
- £1,012,457
- 10 Year change
- down 7.4%
- Ave. Rental Price
- £3,577pcm
- 10 Year change
- up 41.6%
- Ave. £ per ft²
- £1,132/ft²
- Ave. Gross Yield
- 4.2%/year/yr
Key Street Insights
Belsize Square is a residential street with 264 addresses.
It ranks as the 307th largest and 103rd most expensive of the 329 streets in the NW3 area. The most common property type is a period flat built between 1800 and 1911.
The street contains a total of 264 properties: 4 houses and 260 flats.
- Ave. Sale Price
- £1,012,457
- 10 Year change
- down 7.4%
- Ave. Rental Price
- £3,577pcm
- 10 Year change
- up 41.6%
- Ave. £ per ft²
- £1,132/ft²
- Ave. Gross Yield
- 4.2%/year/yr
Explore Properties on Belsize Square, London, NW3
- 1 Belsize Square
5 Bed Period House
- 2 Belsize Square
Building  |  4 Flats
- 3 Belsize Square
Period Building | 6 Units
- 4 Belsize Square
Period Building | 5 Units
- 5A Belsize Square
Building  |  2 Flats
Sales Market Trends
The last sale on Belsize Square sold for £862,500 on 30th January 2026. Since then prices are up an average of 0.6%.
The current average value in the street is £1,012,457.
The Belsize Square Sales Market has decreased by 7.4% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | -2.8% | £1,012,457 |
| June 2025 | -0.6% | £1,041,725 |
| June 2024 | -1.3% | £1,047,692 |
| June 2023 | 0.6% | £1,061,647 |
| June 2022 | 2.3% | £1,055,331 |
| June 2021 | 0.7% | £1,031,260 |
| June 2020 | 0.2% | £1,024,131 |
| June 2019 | -0.2% | £1,021,894 |
| June 2018 | -2.8% | £1,024,070 |
| June 2017 | -3.7% | £1,053,285 |
| June 2016 | 1.9% | £1,093,577 |
| June 2015 | 3.1% | £1,073,522 |
| June 2014 | 14.9% | £1,041,569 |
| June 2013 | 7.2% | £906,760 |
| June 2012 | 10.4% | £845,601 |
| June 2011 | 5% | £766,158 |
| June 2010 | 20.7% | £729,994 |
| June 2009 | -11.7% | £605,005 |
| June 2008 | 8.2% | £685,082 |
| June 2007 | 0% | £633,082 |
Rental Market Trends
The current average rental value in the street is £3,577.
The Belsize Square Rental Market has increased by 41.6% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 6% | £3,577pcm |
| June 2025 | 2.9% | £3,375pcm |
| June 2024 | 3.6% | £3,279pcm |
| June 2023 | 10.1% | £3,166pcm |
| June 2022 | 17.6% | £2,876pcm |
| June 2021 | -6.1% | £2,446pcm |
| June 2020 | 0.6% | £2,604pcm |
| June 2019 | 3.6% | £2,589pcm |
| June 2018 | 0.6% | £2,500pcm |
| June 2017 | -1.6% | £2,486pcm |
| June 2016 | -0.6% | £2,527pcm |
| June 2015 | 2.9% | £2,542pcm |
| June 2014 | 0.2% | £2,470pcm |
| June 2013 | -2% | £2,466pcm |
| June 2012 | 3% | £2,516pcm |
| June 2011 | 10.7% | £2,444pcm |
| June 2010 | 10.9% | £2,209pcm |
| June 2009 | -12.5% | £1,992pcm |
| June 2008 | 7.6% | £2,276pcm |
| June 2007 | 0% | £2,115pcm |
Sales History
The last recorded sale was on 30th January 2026 for £862,500 and since then the market in the area has increased by 0.6%.
Belsize Square, London, NW3 has had 3 sales since 1995, with 3 in the last three years and 2 in the last twelve months.
- Sold Jan 2026£862,500 | 3 Bed Flat27D, Belsize Square, London, NW3 4HU27D, Belsize Square, London, NW3 4HU
- Sold Aug 2025£1,040,000 | 3 Bed Flat44A, Belsize Square, London, NW3 4HN44A, Belsize Square, London, NW3 4HN
- Sold Jan 2025£1,250,000 | 3 Bed Flat43D , Belsize Square, London, NW3 4HN43D , Belsize Square, London, NW3 4HN
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
Nearby Streets
Belsize Square, London, NW3 is the 307th largest and the 103rd most expensive street in the NW3 area.
- Lancaster Drive, London, NW343 Addresses|111 m away
- Lancaster Grove, London, NW3242 Addresses|120 m away
- Belsize Park Gardens, London, NW3540 Addresses|154 m away
- Crossfield Road, London, NW3116 Addresses|199 m away
- Glenilla Road, London, NW361 Addresses|202 m away
- Belsize Park, London, NW3423 Addresses|206 m away
Sections of this street
There are 4 postcodes on Belsize Square, London, NW3.
- House prices in NW3 4HN62 Addresses
- House prices in NW3 4HT94 Addresses
- House prices in NW3 4HL68 Addresses
- House prices in NW3 4HU40 Addresses
Property Types
- 4 period houses built between 1800 and 1911
- 260 period flats built between 1800 and 1911
- period house (4)
- period flat (260)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys have been conducted for 150 properties.
- The most common rating is C.
- A (0)
- E (10)
- B (1)
- F (1)
- C (70)
- G (0)
- D (68)
- No EPC (114)
Schools Nearby
- Holy Trinity CofE Primary School, NW3600 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 Belsize Square, London, NW3 is Belsize Park station, which is 500 metres away.
- Belsize Park|500 m away
- Swiss Cottage|500 m away
- Finchley Road|700 m away
