See how the market is performing in Belsize NW3 with our comprehensive price guide.
INSTANT VALUATION IN 60 SECONDS
Price Change
within the last 12 months
Properties Sold
within the last 12 months
| December 2025 | Average Price (% Chg) |
Properties Sold (% Chg) |
|---|---|---|
| Monthly Change * | 196.25% | -75.00% |
| Annual Change ** | 79.08% | -91.67% |
| Latest 12 Months | -2.07% | -14.36% |
*
The average house price in Belsize, London, NW3 in December 2025 is +196.25% more than it was in November 2025.
**
The average house price in Belsize, London, NW3 in December 2025 is +79.08% more than it was in December 2024.
Data to 24th December 2025
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| Average price | % Change | Properties sold | % Change | |
|---|---|---|---|---|
| Detached | £7,168,800 | -12.22% | 3 | - |
| Semi-Detached | £7,750,000 | 181.82% | 1 | -75.00% |
| Flat | £1,050,487 | -8.00% | 116 | -18.31% |
| Terraced | £2,167,250 | -11.78% | 12 | 100.00% |
Within Belsize NW3, the strongest growing property type was Semi-Detached properties, with an annual price change of 181.82% and an average price of £7,750,000.
By contrast, Semi-Detached properties showed the slowest volume growth, with an annual volume change of -75.00%.
Flats account for 87.9% of property sales within Belsize NW3 within the last 12 months. Semi-Detached properties represent 0.8% of total property sales.
the average price in Belsize NW3 during 2025 was £1,374,248, representing a growth of 6.84% compared to 5 years ago. Over a ten year period, this equates to a change of 17.55%
the fastest growing property type over the last 5 years is Flats, showing a growth of 1.12% during that period. Semi-Detached properties showed the slowest growth, at -82.98%, over the same 5 year period.
Use your mouse to hover over any highlighted area on the map to reveal average house prices and growth. Select any ward, parish, postcode area or postcode district within the Greater London area. The coloured menu buttons reveal useful market overviews, highlighting the top and bottom performing areas within Greater London.
Here are the answers to some popular questions.
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Contains HM Land Registry & Ordnance Survey data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0. Data up to 24th December 2025