15 Belsize AvenueHouse Prices / London, Camden, Belsize Avenue, NW3 4BL
Last updated Jun 2026
Key Building Insights
15 Belsize Avenue is a residential building situated on Belsize Avenue, London, NW3 with 28 addresses.
It ranks as the 3504th largest and 536th most expensive of the 3,591 buildings in the NW3 area. The dominant property type is a mid-century flat built between 1936 and 1979.
The building contains a total of 28 properties: 28 flats.
28
Properties
- Flats
Key Building Insights
15 Belsize Avenue is a residential building situated on Belsize Avenue, London, NW3 with 28 addresses.
It ranks as the 3504th largest and 536th most expensive of the 3,591 buildings in the NW3 area. The dominant property type is a mid-century flat built between 1936 and 1979.
The building contains a total of 28 properties: 28 flats.
28
Properties
- Flats
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House Pricesin 15 Belsize Avenue
Sale prices range from £405,633 for 1 bedroom leasehold flats (446 ft2) to £810,811 for 3 bedroom leasehold flats (1,173 ft2) .
Monthly rental prices range from £1,880 pcm for 1 bed flats to £3,639 pcm for 3 bed flats.
The gross rental yield is between 5.4% and 5.7%.
The average value per square foot is £842.
Average Sale Value
£568,732
Average Rental Value
£2,639 pcm
Average Rental Yield
5.6% /year
Average Value Per Sqft
£842 /ft2
Sales Market Trendsin 15 Belsize Avenue
The last sale in 15 Belsize Avenue sold for £780,000 on 14th November 2025. Since then prices are up an average of 1.4%.
The current average value in the building is £568,732.
The 15 Belsize Avenue Sales Market has decreased by 8.8% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| May 2026 | -0.9% | £568,732 |
| May 2025 | -1.3% | £573,995 |
| May 2024 | -1.1% | £581,786 |
| May 2023 | 1% | £588,432 |
| May 2022 | 1.6% | £582,645 |
| May 2021 | -0.3% | £573,284 |
| May 2020 | -0.6% | £575,096 |
| May 2019 | 0% | £578,528 |
| May 2018 | -4.2% | £578,779 |
| May 2017 | -3.2% | £604,225 |
| May 2016 | 2.8% | £623,883 |
| May 2015 | 4.2% | £606,991 |
| May 2014 | 15.6% | £582,710 |
| May 2013 | 7.1% | £503,879 |
| May 2012 | 9.7% | £470,397 |
| May 2011 | 3.4% | £428,849 |
| May 2010 | 18.4% | £414,651 |
| May 2009 | -13.5% | £350,259 |
| May 2008 | 13.4% | £405,110 |
| May 2007 | 0% | £357,194 |
Rental Market Trendsin 15 Belsize Avenue
The current average rental value in the building is £2,639.
The 15 Belsize Avenue Rental Market has increased by 37.1% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| May 2026 | 7.2% | £2,639pcm |
| May 2025 | 2.1% | £2,461pcm |
| May 2024 | 3.8% | £2,410pcm |
| May 2023 | 11.3% | £2,322pcm |
| May 2022 | 16% | £2,087pcm |
| May 2021 | -8.5% | £1,800pcm |
| May 2020 | 1.6% | £1,968pcm |
| May 2019 | 3.4% | £1,937pcm |
| May 2018 | -0.7% | £1,873pcm |
| May 2017 | -1.9% | £1,888pcm |
| May 2016 | 0.6% | £1,925pcm |
| May 2015 | 3.7% | £1,914pcm |
| May 2014 | 0.4% | £1,846pcm |
| May 2013 | -2% | £1,838pcm |
| May 2012 | 3% | £1,876pcm |
| May 2011 | 9.5% | £1,822pcm |
| May 2010 | 8.2% | £1,664pcm |
| May 2009 | -13.2% | £1,538pcm |
| May 2008 | 10.1% | £1,771pcm |
| May 2007 | 0% | £1,608pcm |
Explore Propertiesin 15, Belsize Avenue, London, NW3 4BL
- Flat 1, 15, Belsize Avenue, London, NW3 4BL2 bed mid-century flat
- Flat 2, 15, Belsize Avenue, London, NW3 4BL2 bed mid-century flat
- Flat 3, 15, Belsize Avenue, London, NW3 4BL2 bed mid-century flat
- Flat 4, 15, Belsize Avenue, London, NW3 4BL2 bed mid-century flat
- Flat 5, 15, Belsize Avenue, London, NW3 4BL1 bed mid-century flat
- Flat 6, 15, Belsize Avenue, London, NW3 4BL
- Flat 7, 15, Belsize Avenue, London, NW3 4BL2 bed mid-century flat
- Flat 8, 15, Belsize Avenue, London, NW3 4BL2 bed mid-century flat
- Flat 9, 15, Belsize Avenue, London, NW3 4BL2 bed mid-century flat
- Flat 10, 15, Belsize Avenue, London, NW3 4BL2 bed mid-century flat
- Flat 11, 15, Belsize Avenue, London, NW3 4BL2 bed mid-century flat
- Flat 12, 15, Belsize Avenue, London, NW3 4BL2 bed mid-century flat
- Flat 13, 15, Belsize Avenue, London, NW3 4BL
- Flat 14, 15, Belsize Avenue, London, NW3 4BL2 bed mid-century flat
- Flat 15, 15, Belsize Avenue, London, NW3 4BL2 bed mid-century flat
- Flat 16, 15, Belsize Avenue, London, NW3 4BL2 bed mid-century flat
- Flat 17, 15, Belsize Avenue, London, NW3 4BL2 bed mid-century flat
- Flat 18, 15, Belsize Avenue, London, NW3 4BL2 bed mid-century flat
- Flat 19, 15, Belsize Avenue, London, NW3 4BL2 bed flat
- Flat 20, 15, Belsize Avenue, London, NW3 4BL2 bed mid-century flat
- Flat 21, 15, Belsize Avenue, London, NW3 4BL
- Flat 22, 15, Belsize Avenue, London, NW3 4BL
- Flat 23, 15, Belsize Avenue, London, NW3 4BL3 bed mid-century flat
- Flat 24, 15, Belsize Avenue, London, NW3 4BL3 bed mid-century flat
- Flat 25, 15, Belsize Avenue, London, NW3 4BL
- Flat 26, 15, Belsize Avenue, London, NW3 4BL3 bed mid-century flat
- Flat 27, 15, Belsize Avenue, London, NW3 4BL
- Flat 28, 15, Belsize Avenue, London, NW3 4BL3 bed mid-century flat
Sales Historyin 15, Belsize Avenue, London, NW3 4BL
The last sale was on 14th November 2025 for £780,000 and since then the market in the area has increased by 1.4%. The building has had a total of 30 sales since 1995.
15, Belsize Avenue, London, NW3 4BL has seen 1 sale in the last three years and 1 sale in the last twelve months.
Sold Nov 2025£780,000 | 3 Bed FlatFlat 26, 15, Belsize Avenue, London, NW3 4BLFlat 26, 15, Belsize Avenue, London, NW3 4BL
Sold Nov 2022£765,000 | 3 Bed FlatFlat 24, 15, Belsize Avenue, London, NW3 4BLFlat 24, 15, Belsize Avenue, London, NW3 4BL
Sold Jan 2017£500,000 | 2 Bed FlatFlat 11, 15, Belsize Avenue, London, NW3 4BLFlat 11, 15, Belsize Avenue, London, NW3 4BL
Sold Nov 2016£567,000 | 2 Bed FlatFlat 9, 15, Belsize Avenue, London, NW3 4BLFlat 9, 15, Belsize Avenue, London, NW3 4BL
Sold Feb 2016£817,500 | 3 Bed FlatFlat 28, 15, Belsize Avenue, London, NW3 4BLFlat 28, 15, Belsize Avenue, London, NW3 4BL
Sold Feb 2015£590,000 | 2 Bed FlatFlat 20, 15, Belsize Avenue, London, NW3 4BLFlat 20, 15, Belsize Avenue, London, NW3 4BL
Sold Mar 2014£460,000 | 1 Bed FlatFlat 5, 15, Belsize Avenue, London, NW3 4BLFlat 5, 15, Belsize Avenue, London, NW3 4BL
Sold Mar 2014£460,000 | 1 Bed FlatFlat 5, 15, Belsize Avenue, London, NW3 4BLFlat 5, 15, Belsize Avenue, London, NW3 4BL
Sold Jun 2013£405,000 | 2 Bed FlatFlat 9, 15, Belsize Avenue, London, NW3 4BLFlat 9, 15, Belsize Avenue, London, NW3 4BL
Sold Mar 2012£375,000 | 2 Bed FlatFlat 20, 15, Belsize Avenue, London, NW3 4BLFlat 20, 15, Belsize Avenue, London, NW3 4BL
Sold Dec 2010£368,000 | 2 Bed FlatFlat 8, 15, Belsize Avenue, London, NW3 4BLFlat 8, 15, Belsize Avenue, London, NW3 4BL
Sold Aug 2010£380,000 | 2 Bed FlatFlat 16, 15, Belsize Avenue, London, NW3 4BLFlat 16, 15, Belsize Avenue, London, NW3 4BL
Sold Nov 2009£265,000 | 2 Bed FlatFlat 3, 15, Belsize Avenue, London, NW3 4BLFlat 3, 15, Belsize Avenue, London, NW3 4BL
Sold Sep 2009£350,000 | 3 Bed FlatFlat 28, 15, Belsize Avenue, London, NW3 4BLFlat 28, 15, Belsize Avenue, London, NW3 4BL
Sold Jun 2009£420,000 | 3 Bed FlatFlat 26, 15, Belsize Avenue, London, NW3 4BLFlat 26, 15, Belsize Avenue, London, NW3 4BL
Sold Oct 2007£400,000 | 2 Bed FlatFlat 18, 15, Belsize Avenue, London, NW3 4BLFlat 18, 15, Belsize Avenue, London, NW3 4BL
Sold Sep 2007£365,000 | 2 Bed FlatFlat 19, 15, Belsize Avenue, London, NW3 4BLFlat 19, 15, Belsize Avenue, London, NW3 4BL
Sold Jun 2007£300,000 | 2 Bed FlatFlat 18, 15, Belsize Avenue, London, NW3 4BLFlat 18, 15, Belsize Avenue, London, NW3 4BL
Sold Feb 2007£238,800 | 3 Bed FlatFlat 24, 15, Belsize Avenue, London, NW3 4BLFlat 24, 15, Belsize Avenue, London, NW3 4BL
Sold Dec 2005£382,550 | 3 Bed FlatFlat 26, 15, Belsize Avenue, London, NW3 4BLFlat 26, 15, Belsize Avenue, London, NW3 4BL
Sold Nov 2004£227,500 | 2 Bed FlatFlat 16, 15, Belsize Avenue, London, NW3 4BLFlat 16, 15, Belsize Avenue, London, NW3 4BL
Sold Apr 2004£230,000 | 2 Bed FlatFlat 7, 15, Belsize Avenue, London, NW3 4BLFlat 7, 15, Belsize Avenue, London, NW3 4BL
Sold Apr 2004£285,000 | 2 Bed FlatFlat 8, 15, Belsize Avenue, London, NW3 4BLFlat 8, 15, Belsize Avenue, London, NW3 4BL
Sold Nov 2003£207,000 | 2 Bed FlatFlat 8, 15, Belsize Avenue, London, NW3 4BLFlat 8, 15, Belsize Avenue, London, NW3 4BL
Sold Mar 2003£222,000 | 2 Bed FlatFlat 9, 15, Belsize Avenue, London, NW3 4BLFlat 9, 15, Belsize Avenue, London, NW3 4BL
Sold Jan 2003£234,000 | 2 Bed FlatFlat 18, 15, Belsize Avenue, London, NW3 4BLFlat 18, 15, Belsize Avenue, London, NW3 4BL
Sold Apr 2002£208,000 | 2 Bed FlatFlat 19, 15, Belsize Avenue, London, NW3 4BLFlat 19, 15, Belsize Avenue, London, NW3 4BL
Sold Mar 2002£227,000 | 2 Bed FlatFlat 3, 15, Belsize Avenue, London, NW3 4BLFlat 3, 15, Belsize Avenue, London, NW3 4BL
Sold Mar 1998£125,000 | 2 Bed FlatFlat 9, 15, Belsize Avenue, London, NW3 4BLFlat 9, 15, Belsize Avenue, London, NW3 4BL
Sold Sep 1996£88,000 | 2 Bed FlatFlat 19, 15, Belsize Avenue, London, NW3 4BLFlat 19, 15, Belsize Avenue, London, NW3 4BL
Property Typesin 15 Belsize Avenue
- 21 mid-century flats built between 1936 and 1979
- 1 flat of an unknown age
- 6 other addresses of unknown type
- mid-century flat (21)
- flat (1)
- Unknown (6)
Energy Efficiencyof properties in 15 Belsize Avenue
- Energy Performance Certificate (EPC) surveys conducted for 21 properties.
- The dominant rating is C.
- A (0)
- E (0)
- B (0)
- F (0)
- C (11)
- G (0)
- D (10)
- No EPC (7)
Top 3 Most Expensive Saleson Belsize Avenue, London, NW3
Schools Nearby
The nearest primary school to 15, Belsize Avenue, London, NW3 4BL is Rosary Catholic Primary School, which is 400 metres away.
- 400mRosary Catholic Primary School
- 600mFitzjohn's Primary School
- 600mHoly Trinity CofE Primary School, NW3
The nearest secondary school is The UCL Academy, which is 900 metres away.
- 900mThe UCL Academy
- 1.3kmHaverstock School
- 1.4kmHarris Academy St John's Wood
More reading links
Public Transport Nearby
The closest station to 15, Belsize Avenue, London, NW3 4BL is Belsize Park station, which is 400 metres away.
- 400mBelsize Park
- 700mFinchley Road
- 700mHampstead Heath
- 700mSwiss Cottage
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