Sort by Most recent sale Address Highest price Highest £ per sqm Largest area Smallest area	Last sold	Price paid	Floor area (m²) Floor area (sq ft)	£ per m² £ per sq ft	Type	Sold	m² sq ft	£/m² £/sq ft
49b, Belsize Avenue, Belsize Park, NW3 4BN -	27 Mar 2025	£877,000	72 m² 775 sqft	£12,180 £1,131	Flat (2 bed)
Flat 3 49, Belsize Avenue, Belsize Park, NW3 4BN -	18 Feb 2025	£580,000	50 m² 538 sqft	£11,600 £1,077	Flat
Flat 1 The Porticos, 53 - 59, Belsize Avenue, Belsize Park, NW3 4BN	28 Oct 2024	£1,875,000	118 m² 1270 sqft	£15,889 £1,476	Flat
Flat 6 The Porticos, 53 - 59, Belsize Avenue, Belsize Park, NW3 4BN -	22 Dec 2021	£1,140,000	100 m² 1076 sqft	£11,400 £1,059	Flat
Flat 6 47, Belsize Avenue, Belsize Park, NW3 4BN -	29 Sep 2021	£577,500	52 m² 559 sqft	£11,105 £1,031	Flat (2 bed)
39b, Belsize Avenue, Belsize Park, NW3 4BN	30 Jun 2021	£1,000,000			Flat
Flat 21 41 - 43, Belsize Avenue, Belsize Park, NW3 4BN -	13 Sep 2019	£520,000	35 m² 376 sqft	£14,857 £1,380	Flat (1 bed)
Flat 8 41 - 43, Belsize Avenue, Belsize Park, NW3 4BN -	28 Jun 2019	£507,500	49 m² 527 sqft	£10,357 £962	Flat (1 bed)
Flat 15 The Porticos, 53 - 59, Belsize Avenue, Belsize Park, NW3 4BN -	11 Jun 2019	£955,000	99 m² 1065 sqft	£9,646 £896	Flat
Flat 2 49, Belsize Avenue, Belsize Park, NW3 4BN -	21 Nov 2018	£400,000	42 m² 452 sqft	£9,523 £884	Flat
35c, Belsize Avenue, Belsize Park, NW3 4BN	26 Jul 2018	£830,000			Flat
35b - 35e, Belsize Avenue, Belsize Park, NW3 4BN	31 May 2018	£1,750,000 B			Flat
Flat 4 47, Belsize Avenue, Belsize Park, NW3 4BN -	11 May 2018	£592,000	49 m² 527 sqft	£12,081 £1,122	Flat (1 bed)
Parking Space 35, Belsize Avenue, Belsize Park, NW3 4BN	20 Jun 2017	£1,300,000 B			Other
35a, Belsize Avenue, Belsize Park, NW3 4BN	20 Jun 2017	£1,300,000			Flat
Flat 3 51, Belsize Avenue, Belsize Park, NW3 4BN -	15 May 2017	£680,000	53 m² 570 sqft	£12,830 £1,191	Flat
Flat 7 47, Belsize Avenue, Belsize Park, NW3 4BN	04 Jan 2017	£525,000 B	51 m² 548 sqft	£10,294 £956	Flat (1 bed)
Flat 4 51, Belsize Avenue, Belsize Park, NW3 4BN -	21 Jul 2016	£590,000	49 m² 527 sqft	£12,040 £1,118	Flat
Flat 5 63, Belsize Avenue, Belsize Park, NW3 4BN -	30 Nov 2015	£695,000	53 m² 570 sqft	£13,113 £1,218	Flat
35f, Belsize Avenue, Belsize Park, NW3 4BN	24 Nov 2015	£668,736 B			Flat
35e, Belsize Avenue, Belsize Park, NW3 4BN	21 May 2015	£724,018			Flat
Flat 1 51, Belsize Avenue, Belsize Park, NW3 4BN -	07 Aug 2014	£1,635,000	120 m² 1291 sqft	£13,625 £1,265	Flat
Flat 2 51, Belsize Avenue, Belsize Park, NW3 4BN -	03 Jul 2014	£1,250,000	98 m² 1054 sqft	£12,755 £1,184	Flat
Flat 2 41 - 43, Belsize Avenue, Belsize Park, NW3 4BN -	02 Jun 2014	£425,000	47 m² 505 sqft	£9,042 £840	Flat (1 bed)
Flat 9 47, Belsize Avenue, Belsize Park, NW3 4BN -	27 May 2014	£615,000	65 m² 699 sqft	£9,461 £878	Flat (1 bed)
Flat 5 51, Belsize Avenue, Belsize Park, NW3 4BN -	29 Nov 2013	£925,000	114 m² 1227 sqft	£8,114 £753	Flat
Flat 8 47, Belsize Avenue, Belsize Park, NW3 4BN -	27 Nov 2013	£799,950			Flat (1 bed)
Second Floor Flat (rear) 49, Belsize Avenue, Belsize Park, NW3 4BN	31 Oct 2013	£499,950			Flat
Flat 7 41 - 43, Belsize Avenue, Belsize Park, NW3 4BN -	01 Mar 2013	£395,000	48 m² 516 sqft	£8,229 £764	Flat (1 bed)
Flat 20 41 - 43, Belsize Avenue, Belsize Park, NW3 4BN -	22 Aug 2012	£305,000	49 m² 527 sqft	£6,224 £578	Flat (1 bed)
49b, Belsize Avenue -	£877,000 Mar-2025	72 775	12,180 1,131
Flat 3 49, Belsize Avenue -	£580,000 Feb-2025	50 538	11,600 1,077
Flat 1 The Porticos, 53 - 59, Belsize Avenue	£1,875,000 Oct-2024	118 1270	15,889 1,476
Flat 6 The Porticos, 53 - 59, Belsize Avenue -	£1,140,000 Dec-2021	100 1076	11,400 1,059
Flat 6 47, Belsize Avenue -	£577,500 Sep-2021	52 559	11,105 1,031
39b, Belsize Avenue	£1,000,000 Jun-2021
Flat 21 41 - 43, Belsize Avenue -	£520,000 Sep-2019	35 376	14,857 1,380
Flat 8 41 - 43, Belsize Avenue -	£507,500 Jun-2019	49 527	10,357 962
Flat 15 The Porticos, 53 - 59, Belsize Avenue -	£955,000 Jun-2019	99 1065	9,646 896
Flat 2 49, Belsize Avenue -	£400,000 Nov-2018	42 452	9,523 884
35c, Belsize Avenue	£830,000 Jul-2018
35b - 35e, Belsize Avenue	£1,750,000 B May-2018
Flat 4 47, Belsize Avenue -	£592,000 May-2018	49 527	12,081 1,122
Parking Space 35, Belsize Avenue	£1,300,000 B Jun-2017
35a, Belsize Avenue	£1,300,000 Jun-2017
Flat 3 51, Belsize Avenue -	£680,000 May-2017	53 570	12,830 1,191
Flat 7 47, Belsize Avenue	£525,000 B Jan-2017	51 548	10,294 956
Flat 4 51, Belsize Avenue -	£590,000 Jul-2016	49 527	12,040 1,118
Flat 5 63, Belsize Avenue -	£695,000 Nov-2015	53 570	13,113 1,218
35f, Belsize Avenue	£668,736 B Nov-2015
35e, Belsize Avenue	£724,018 May-2015
Flat 1 51, Belsize Avenue -	£1,635,000 Aug-2014	120 1291	13,625 1,265
Flat 2 51, Belsize Avenue -	£1,250,000 Jul-2014	98 1054	12,755 1,184
Flat 2 41 - 43, Belsize Avenue -	£425,000 Jun-2014	47 505	9,042 840
Flat 9 47, Belsize Avenue -	£615,000 May-2014	65 699	9,461 878
Flat 5 51, Belsize Avenue -	£925,000 Nov-2013	114 1227	8,114 753
Flat 8 47, Belsize Avenue -	£799,950 Nov-2013
Second Floor Flat (rear) 49, Belsize Avenue	£499,950 Oct-2013
Flat 7 41 - 43, Belsize Avenue -	£395,000 Mar-2013	48 516	8,229 764
Flat 20 41 - 43, Belsize Avenue -	£305,000 Aug-2012	49 527	6,224 578

The data above for Belsize Avenue can be visualised as a scatter graph, this will show price trends over time.

The average price per square metre (per square foot) in Belsize Avenue, Belsize Park is £10,106 sqm (£938 per sq ft), this is based on sold house prices of the 28 most recent sales.
The majority of homes in Belsize Park are now selling for between £10,250 and £12,950 per square metre (£952 and £1,203 per square foot) , find out more in this local analysis of NW3 4 (Belsize Park) house prices.
There are approximately 159 homes on Belsize Avenue, we would have expected approximately 22 sales each year given that in the UK people sell their homes on average once every 7 years.
In the last 4 years there have been 28 property sales in Belsize Avenue, averaging about 7 home sales per year .
The average size of all the properties on Belsize Avenue is 77 m2 (828 sqft).