Flask Walk - NW3 1HE
Key Postcode Insights
NW3 1HE is a residential postcode situated on Flask Walk, London, NW3 with 28 addresses.
It ranks as the 768th largest and 812th most expensive of the 1,182 postcodes in the NW3 area. The most common property type is a period house built between 1800 and 1911.
The postcode contains a total of 28 properties: 18 houses, 9 flats and 1 other property.
- Ave. Sale Price
- £1,707,256
- 10 Year change
- down 6.1%
- Ave. Rental Price
- £5,519pcm
- 10 Year change
- up 43.0%
- Ave. £ per ft²
- £1,373/ft²
- Ave. Gross Yield
- 3.9%/year/yr
Key Postcode Insights
NW3 1HE is a residential postcode situated on Flask Walk, London, NW3 with 28 addresses.
It ranks as the 768th largest and 812th most expensive of the 1,182 postcodes in the NW3 area. The most common property type is a period house built between 1800 and 1911.
The postcode contains a total of 28 properties: 18 houses, 9 flats and 1 other property.
- Ave. Sale Price
- £1,707,256
- 10 Year change
- down 6.1%
- Ave. Rental Price
- £5,519pcm
- 10 Year change
- up 43.0%
- Ave. £ per ft²
- £1,373/ft²
- Ave. Gross Yield
- 3.9%/year/yr
Explore Propertiesin NW3 1HE
- 4 Flask Walk
Building  |  1 Flat
- 6 Flask Walk
House
- 8 Flask Walk
House
- 10 Flask Walk
House
- 12A Flask Walk
House
Sales Market Trends
The last sale in NW3 1HE sold for £1,500,000 on 28th November 2025. Since then prices are down an average of 2.0%.
The current average value in the postcode is £1,707,256.
The NW3 1HE Sales Market has decreased by 6.1% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | -2.4% | £1,707,256 |
| June 2025 | -0.1% | £1,749,543 |
| June 2024 | -1.1% | £1,751,901 |
| June 2023 | 1% | £1,771,720 |
| June 2022 | 2.3% | £1,753,942 |
| June 2021 | 0.9% | £1,715,202 |
| June 2020 | 0.4% | £1,699,249 |
| June 2019 | -0.6% | £1,693,002 |
| June 2018 | -2.8% | £1,702,833 |
| June 2017 | -3.7% | £1,751,533 |
| June 2016 | 3.2% | £1,818,276 |
| June 2015 | 3.6% | £1,761,407 |
| June 2014 | 15.9% | £1,699,806 |
| June 2013 | 6.8% | £1,467,222 |
| June 2012 | 9.7% | £1,373,522 |
| June 2011 | 4.9% | £1,252,372 |
| June 2010 | 19.8% | £1,193,305 |
| June 2009 | -11.3% | £995,909 |
| June 2008 | 7.4% | £1,123,119 |
| June 2007 | 0% | £1,046,054 |
Rental Market Trends
The current average rental value in the postcode is £5,519.
The NW3 1HE Rental Market has increased by 43.0% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| June 2026 | 6.4% | £5,519pcm |
| June 2025 | 3.3% | £5,189pcm |
| June 2024 | 3.7% | £5,025pcm |
| June 2023 | 10.9% | £4,846pcm |
| June 2022 | 17.3% | £4,371pcm |
| June 2021 | -5.7% | £3,727pcm |
| June 2020 | 0.6% | £3,953pcm |
| June 2019 | 3.2% | £3,930pcm |
| June 2018 | 0.6% | £3,809pcm |
| June 2017 | -1.8% | £3,788pcm |
| June 2016 | 0.6% | £3,859pcm |
| June 2015 | 3.5% | £3,834pcm |
| June 2014 | 1.1% | £3,703pcm |
| June 2013 | -2.5% | £3,664pcm |
| June 2012 | 2.6% | £3,759pcm |
| June 2011 | 10.5% | £3,665pcm |
| June 2010 | 10.5% | £3,317pcm |
| June 2009 | -12% | £3,001pcm |
| June 2008 | 6.7% | £3,411pcm |
| June 2007 | 0% | £3,196pcm |
Sales History
The last sale was on 28th November 2025 for £1,500,000 and since then the market in the area has decreased by 2.0%. The postcode has had a total of 25 sales since 1995.
NW3 1HE has seen 3 sales in the last three years and 1 sale in the last twelve months.
- Sold Nov 2025£1,500,000 | 4 Bed HouseSide Door, 16, Flask Walk, London, NW3 1HESide Door, 16, Flask Walk, London, NW3 1HE
- Sold May 2025£1,510,000 | 3 Bed House24, Flask Walk, London, NW3 1HE24, Flask Walk, London, NW3 1HE
- Sold May 2025£3,075,000 | 4 Bed House32, Flask Walk, London, NW3 1HE32, Flask Walk, London, NW3 1HE
- Sold Oct 2022£1,900,000 | 3 Bed House22, Flask Walk, London, NW3 1HE22, Flask Walk, London, NW3 1HE
- Sold Mar 2022£1,107,500 | 2 Bed Flat60A, Flask Walk, London, NW3 1HE60A, Flask Walk, London, NW3 1HE
Nearby Postcodes
NW3 1HE is the 768th largest and the 812th most expensive postcode out of the 1,182 postcodes in the NW3 area.
- NW3 1HH, Flask Walk, London, NW3NW3 1HH15 Addresses|36 m away
- NW3 1QZ, Spencer Walk, London, NW3NW3 1QZ35 Addresses|39 m away
- NW3 1HG, Flask Walk, London, NW3NW3 1HG7 Addresses|44 m away
- NW3 1HJ, Flask Walk, London, NW3NW3 1HJ7 Addresses|47 m away
- NW3 1HL, Back Lane, London, NW3NW3 1HL15 Addresses|54 m away
Property Types
- 4 period houses built between 1800 and 1911
- 3 mid-century houses built between 1936 and 1979
- 3 mid-century flats built between 1936 and 1979
- 18 other addresses of unknown type
- period house (4)
- mid-century house (3)
- mid-century flat (3)
- Unknown (18)
Energy Efficiency
- Energy Performance Certificate (EPC) surveys conducted for 15 properties.
- The most common rating is D.
- A (0)
- E (1)
- B (0)
- F (1)
- C (5)
- G (0)
- D (8)
- No EPC (12)
Top 3 Most Expensive Sales
- Sold Feb 2011£3,810,000 | 5 Bed House75, Flask Walk, London, NW3 1ET75, Flask Walk, London, NW3 1ET
- Sold May 2025£3,075,000 | 4 Bed House32, Flask Walk, London, NW3 1HE32, Flask Walk, London, NW3 1HE
- Sold Sep 2021£2,500,000 | 4 Bed House35, Flask Walk, London, NW3 1HH35, Flask Walk, London, NW3 1HH
Schools Nearby
- New End Primary School100 m away
- Hampstead Parochial Church of England Primary School200 m away
- Christ Church Primary School, Hampstead300 m away
- The UCL Academy1.7 km away
- William Ellis School1.8 km away
- Parliament Hill School1.9 km away
More reading links
Public Transport Nearby
The closest station to NW3 1HE is Hampstead station, which is 100 metres away.
- Hampstead|100 m away
- Hampstead Heath|800 m away
- Finchley Road & Frognal|800 m away
