Belsize Square - NW3 4HN
Key Postcode Insights
NW3 4HN is a residential postcode situated on Belsize Square, London, NW3 with 62 addresses.
It ranks as the 1124th largest and 406th most expensive of the 1,182 postcodes in the NW3 area. The most common property type is a period flat built between 1800 and 1911.
The postcode contains a total of 62 properties: 2 houses and 60 flats.
- Ave. Sale Price
- £885,848
- 10 Year change
- down 7.1%
- Ave. Rental Price
- £3,214pcm
- 10 Year change
- up 42.1%
- Ave. £ per ft²
- £1,126/ft²
- Ave. Gross Yield
- 4.4%/year/yr
Key Postcode Insights
NW3 4HN is a residential postcode situated on Belsize Square, London, NW3 with 62 addresses.
It ranks as the 1124th largest and 406th most expensive of the 1,182 postcodes in the NW3 area. The most common property type is a period flat built between 1800 and 1911.
The postcode contains a total of 62 properties: 2 houses and 60 flats.
- Ave. Sale Price
- £885,848
- 10 Year change
- down 7.1%
- Ave. Rental Price
- £3,214pcm
- 10 Year change
- up 42.1%
- Ave. £ per ft²
- £1,126/ft²
- Ave. Gross Yield
- 4.4%/year/yr
Explore Propertiesin NW3 4HN
- 41 Belsize Square
Period Building | 7 Units
- 42 Belsize Square
Period Building | 5 Units
- 43 Belsize Square
Building  |  4 Flats
- 44 Belsize Square
Building  |  4 Flats
- 45 Belsize Square
Period Building | 5 Units
Sales Market Trends
The last sale in NW3 4HN sold for £1,040,000 on 27th August 2025. Since then prices are down an average of 1.2%.
The current average value in the postcode is £885,848.
The NW3 4HN Sales Market has decreased by 7.1% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | -2.7% | £885,848 |
| June 2025 | -0.5% | £910,865 |
| June 2024 | -1.3% | £915,820 |
| June 2023 | 0.7% | £928,082 |
| June 2022 | 2.4% | £921,870 |
| June 2021 | 0.8% | £900,378 |
| June 2020 | 0.2% | £893,255 |
| June 2019 | -0.2% | £891,190 |
| June 2018 | -2.8% | £893,129 |
| June 2017 | -3.7% | £918,402 |
| June 2016 | 2% | £953,222 |
| June 2015 | 3.2% | £934,124 |
| June 2014 | 14.9% | £905,534 |
| June 2013 | 7.2% | £788,076 |
| June 2012 | 10.2% | £735,334 |
| June 2011 | 5.1% | £667,137 |
| June 2010 | 20.7% | £634,842 |
| June 2009 | -11.8% | £526,012 |
| June 2008 | 8% | £596,350 |
| June 2007 | 0% | £552,040 |
Rental Market Trends
The current average rental value in the postcode is £3,214.
The NW3 4HN Rental Market has increased by 42.1% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 6.1% | £3,214pcm |
| June 2025 | 2.9% | £3,029pcm |
| June 2024 | 3.6% | £2,943pcm |
| June 2023 | 10.1% | £2,841pcm |
| June 2022 | 17.7% | £2,581pcm |
| June 2021 | -6% | £2,193pcm |
| June 2020 | 0.6% | £2,334pcm |
| June 2019 | 3.6% | £2,319pcm |
| June 2018 | 0.6% | £2,239pcm |
| June 2017 | -1.5% | £2,226pcm |
| June 2016 | -0.5% | £2,261pcm |
| June 2015 | 3% | £2,272pcm |
| June 2014 | 0.2% | £2,205pcm |
| June 2013 | -2% | £2,201pcm |
| June 2012 | 2.8% | £2,246pcm |
| June 2011 | 10.9% | £2,185pcm |
| June 2010 | 10.8% | £1,971pcm |
| June 2009 | -12.6% | £1,779pcm |
| June 2008 | 7.4% | £2,034pcm |
| June 2007 | 0% | £1,894pcm |
Sales History
The last sale was on 27th August 2025 for £1,040,000 and since then the market in the area has decreased by 1.2%. The postcode has had a total of 51 sales since 1995.
NW3 4HN has seen 6 sales in the last three years and 1 sale in the last twelve months.
- 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
- Sold Oct 2024£1,269,537 | 3 Bed Flat46A, Belsize Square, London, NW3 4HN46A, Belsize Square, London, NW3 4HN
- Sold Sep 2024£910,500 | 2 Bed FlatFlat 2, 47, Belsize Square, London, NW3 4HNFlat 2, 47, Belsize Square, London, NW3 4HN
- Sold Jul 2024£1,563,290 | 3 Bed FlatFlat 5, 42, Belsize Square, London, NW3 4HNFlat 5, 42, Belsize Square, London, NW3 4HN
Nearby Postcodes
NW3 4HN is the 1124th largest and the 406th most expensive postcode out of the 1,182 postcodes in the NW3 area.
- NW3 4LB, Belsize Park Gardens, London, NW3NW3 4LB34 Addresses|57 m away
- NW3 4JR, Belsize Park Gardens, London, NW3NW3 4JR18 Addresses|58 m away
- NW3 4ES, Belsize Park, London, NW3NW3 4ES45 Addresses|69 m away
- NW3 4JG, Belsize Park Gardens, London, NW3NW3 4JG20 Addresses|73 m away
- NW3 4LA, Belsize Park Gardens, London, NW3NW3 4LA6 Addresses|76 m away
Property Types
- 1 period house built between 1800 and 1911
- 61 period flats built between 1800 and 1911
- period house (1)
- period flat (61)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 42 properties.
- The most common rating is C.
- A (0)
- E (1)
- B (0)
- F (0)
- C (25)
- G (0)
- D (16)
- No EPC (20)
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
- Rosary Catholic Primary School500 m away
- Holy Trinity CofE Primary School, NW3600 m away
- Fitzjohn's Primary School700 m away
- The UCL Academy700 m away
- Harris Academy St John's Wood1.2 km away
- Haverstock School1.2 km away
More reading links
Public Transport Nearby
The closest station to NW3 4HN is Belsize Park station, which is 500 metres away.
- Belsize Park|500 m away
- Swiss Cottage|600 m away
- Finchley Road|700 m away
- South Hampstead|900 m away
