27, Belsize Square - NW3 4HU
Key Building Insights
27, Belsize Square is a residential building situated on Belsize Square, London, NW3 with 4 addresses.
It ranks as the 1850th largest and 1751st 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 4 properties: 4 flats.
- Ave. Sale Price
- £737,267
- 10 Year change
- down 8.7%
- Ave. Rental Price
- £3,363pcm
- 10 Year change
- up 39.5%
- Ave. £ per ft²
- £840/ft²
- Ave. Gross Yield
- 5.5%/year/yr
Key Building Insights
27, Belsize Square is a residential building situated on Belsize Square, London, NW3 with 4 addresses.
It ranks as the 1850th largest and 1751st 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 4 properties: 4 flats.
- Ave. Sale Price
- £737,267
- 10 Year change
- down 8.7%
- Ave. Rental Price
- £3,363pcm
- 10 Year change
- up 39.5%
- Ave. £ per ft²
- £840/ft²
- Ave. Gross Yield
- 5.5%/year/yr
Explore Properties on Belsize Square, London, NW3
- 27A Belsize Square
2 Bed Period Flat
- 27B Belsize Square
2 Bed Period Flat
- 27C Belsize Square
3 Bed Period Flat
- 27D Belsize Square
3 Bed Period Flat
Sales Market Trends
The last sale in 27, Belsize Square sold for £862,500 on 30th January 2026. Since then prices are up an average of 0.5%.
The current average value in the building is £737,267.
The 27, Belsize Square Sales Market has decreased by 8.7% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | -3% | £737,267 |
| June 2025 | -0.7% | £760,003 |
| June 2024 | -1.4% | £765,071 |
| June 2023 | 0.7% | £776,014 |
| June 2022 | 2.1% | £770,819 |
| June 2021 | 0.3% | £755,273 |
| June 2020 | 0% | £753,026 |
| June 2019 | -0.2% | £753,125 |
| June 2018 | -2.9% | £754,306 |
| June 2017 | -3.8% | £777,094 |
| June 2016 | 1.3% | £807,859 |
| June 2015 | 2.7% | £797,885 |
| June 2014 | 15.2% | £776,667 |
| June 2013 | 7.2% | £674,062 |
| June 2012 | 11.1% | £628,511 |
| June 2011 | 4.3% | £565,767 |
| June 2010 | 21.5% | £542,236 |
| June 2009 | -11.9% | £446,101 |
| June 2008 | 9.3% | £506,535 |
| June 2007 | 0% | £463,262 |
Rental Market Trends
The current average rental value in the building is £3,363.
The 27, Belsize Square Rental Market has increased by 39.5% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 5.8% | £3,363pcm |
| June 2025 | 2.8% | £3,180pcm |
| June 2024 | 3.5% | £3,092pcm |
| June 2023 | 10.2% | £2,989pcm |
| June 2022 | 17.3% | £2,712pcm |
| June 2021 | -6.4% | £2,312pcm |
| June 2020 | 0.3% | £2,470pcm |
| June 2019 | 3.6% | £2,463pcm |
| June 2018 | 0.5% | £2,377pcm |
| June 2017 | -1.8% | £2,367pcm |
| June 2016 | -1.2% | £2,410pcm |
| June 2015 | 2.6% | £2,439pcm |
| June 2014 | 0.5% | £2,378pcm |
| June 2013 | -2% | £2,366pcm |
| June 2012 | 3.6% | £2,415pcm |
| June 2011 | 10% | £2,331pcm |
| June 2010 | 11.9% | £2,120pcm |
| June 2009 | -12.8% | £1,895pcm |
| June 2008 | 8.7% | £2,173pcm |
| June 2007 | 0% | £1,998pcm |
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 0.5%.
27, Belsize Square, London, NW3 4HU has had 3 sales since 1995, with 3 in the last three years and 1 in the last twelve months.
- Sold Jan 2026£862,500 | 3 Bed Flat27D, Belsize Square, London, NW3 4HU27D, Belsize Square, London, NW3 4HU
- Sold May 2024£594,000 | 3 Bed Flat27C , Belsize Square, London, NW3 4HU27C , Belsize Square, London, NW3 4HU
- Sold May 2024£675,000 | 2 Bed Flat27B , Belsize Square, London, NW3 4HU27B , Belsize Square, London, NW3 4HU
Property Types
- 4 period flats built between 1800 and 1911
- period flat (4)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys have been conducted for 4 properties.
- The most common rating is C.
- A (0)
- E (1)
- B (0)
- F (0)
- C (2)
- G (0)
- D (1)
- 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, 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 27, Belsize Square, London, NW3 4HU is Belsize Park station, which is 500 metres away.
- Belsize Park|500 m away
- Swiss Cottage|500 m away
- Finchley Road|700 m away
- South Hampstead|900 m away
