Sold House Prices on Belsize Square, London
Every Land Registry property sale recorded on Belsize Square in the NW3 postcode district. Updated monthly, England and Wales coverage.
Total sales
292
16 Feb 1995 – 30 Jan 2026
Average price
£672,081
all property types, all years
Lowest sale
£1,000
Highest sale
£5,800,000
Recorded sales on Belsize Square
Showing 101–150 of 292 sales, newest first.
| Address | Postcode | Type | Tenure | Price | Date |
|---|---|---|---|---|---|
| 10 Flat A Belsize Square | NW3 4HT | Flat / Apartment | Leasehold | £979,000 | 8 Oct 2010 |
| 13 Flat 4 Belsize Square | NW3 4HT | Flat / Apartment | Leasehold | £695,000 | 1 Oct 2010 |
| 16c Belsize Square | NW3 4HT | Flat / Apartment | Leasehold | £475,000 | 16 Jul 2010 |
| 27a Belsize Square | NW3 4HU | Flat / Apartment | Leasehold | £620,000 | 30 Jun 2010 |
| 38 Flat 6 Belsize Square | NW3 4HL | Flat / Apartment | Leasehold | £499,950 | 21 Jun 2010 |
| 44d Belsize Square | NW3 4HN | Flat / Apartment | Leasehold | £1,250,000 | 13 May 2010 |
| 48 Rear Basement Flat Belsize Square | NW3 4HN | Flat / Apartment | Leasehold | £340,000 | 16 Mar 2010 |
| 40 Flat 4 Belsize Square | NW3 4HL | Flat / Apartment | Leasehold | £731,000 | 5 Jan 2010 |
| 40 Flat 2 Belsize Square | NW3 4HL | Flat / Apartment | Leasehold | £810,800 | 15 Dec 2009 |
| 1 Belsize Square | NW3 4HT | Semi-detached | Freehold | £5,000,000 | 10 Dec 2009 |
| 5 Flat 2 Belsize Square | NW3 4HT | Flat / Apartment | Leasehold | £450,000 | 30 Nov 2009 |
| 46 Entrance Floor Flat Belsize Square | NW3 4HN | Flat / Apartment | Leasehold | £875,000 | 20 Nov 2009 |
| 43d Belsize Square | NW3 4HN | Flat / Apartment | Leasehold | £665,000 | 6 Nov 2009 |
| 47 Flat B Belsize Square | NW3 4HN | Flat / Apartment | Leasehold | £800,000 | 30 Sep 2009 |
| 23 Ground Floor Flat Belsize Square | NW3 4HU | Flat / Apartment | Leasehold | £480,000 | 25 Sep 2009 |
| 41c Belsize Square | NW3 4HN | Flat / Apartment | Leasehold | £345,000 | 9 Sep 2009 |
| 38 Flat 2 Belsize Square | NW3 4HL | Flat / Apartment | Leasehold | £491,000 | 4 Sep 2009 |
| 22 Flat 1 Belsize Square | NW3 4HT | Flat / Apartment | Leasehold | £885,000 | 31 Jul 2009 |
| 37d Belsize Square | NW3 4HL | Flat / Apartment | Leasehold | £807,000 | 17 Jul 2009 |
| 8 Flat 4 Belsize Square | NW3 4HT | Flat / Apartment | Leasehold | £425,000 | 13 Mar 2009 |
| 50 Flat 6 Belsize Square | NW3 4HN | Flat / Apartment | Leasehold | £487,300 | 31 Jul 2008 |
| 50 Flat 8 Belsize Square | NW3 4HN | Flat / Apartment | Leasehold | £487,300 | 31 Jul 2008 |
| 8 Flat 5 Belsize Square | NW3 4HT | Flat / Apartment | Leasehold | £720,000 | 25 Jul 2008 |
| 39 Flat 2 Belsize Square | NW3 4HL | Flat / Apartment | Leasehold | £460,000 | 2 Jul 2008 |
| 30 Flat A Belsize Square | NW3 4HU | Flat / Apartment | Leasehold | £805,000 | 25 Jun 2008 |
| 23 Garden Flat Belsize Square | NW3 4HU | Flat / Apartment | Leasehold | £780,000 | 20 Dec 2007 |
| 38 Flat 1 Belsize Square | NW3 4HL | Flat / Apartment | Leasehold | £405,000 | 16 Nov 2007 |
| 3c Belsize Square | NW3 4HT | Flat / Apartment | Leasehold | £317,500 | 22 Oct 2007 |
| 9 Flat 5 Belsize Square | NW3 4HT | Flat / Apartment | Leasehold | £440,000 | 11 Oct 2007 |
| 9 Flat 6 Belsize Square | NW3 4HT | Flat / Apartment | Leasehold | £559,000 | 24 Sep 2007 |
| 9 Flat 1 Belsize Square | NW3 4HT | Flat / Apartment | Leasehold | £1,100,000 | 31 Jul 2007 |
| 14 First Floor Belsize Square | NW3 4HT | Flat / Apartment | Leasehold | £755,000 | 26 Jun 2007 |
| 28 Flat C Belsize Square | NW3 4HU | Flat / Apartment | Leasehold | £875,000 | 16 May 2007 |
| 44 Ground Floor Flat Belsize Square | NW3 4HN | Flat / Apartment | Leasehold | £875,000 | 15 May 2007 |
| 14 First Floor Rear Maisonette Belsize Square | NW3 4HT | Flat / Apartment | Leasehold | £747,500 | 16 Mar 2007 |
| 15a Belsize Square | NW3 4HT | Flat / Apartment | Leasehold | £878,000 | 15 Mar 2007 |
| 3c Belsize Square | NW3 4HT | Flat / Apartment | Leasehold | £250,000 | 4 Jan 2007 |
| 6 Flat 1 Belsize Square | NW3 4HT | Flat / Apartment | Leasehold | £600,500 | 31 Oct 2006 |
| 48 Rear Basement Flat Belsize Square | NW3 4HN | Flat / Apartment | Leasehold | £338,000 | 20 Oct 2006 |
| 45 Flat 2nd And 3rd Floor Rear Belsize Square | NW3 4HN | Flat / Apartment | Leasehold | £460,000 | 22 Sep 2006 |
| 12c Belsize Square | NW3 4HT | Flat / Apartment | Leasehold | £570,000 | 14 Jul 2006 |
| 18 Flat 3 Belsize Square | NW3 4HT | Flat / Apartment | Leasehold | £625,000 | 9 Jun 2006 |
| 30 Flat D Belsize Square | NW3 4HU | Flat / Apartment | Leasehold | £430,000 | 31 Mar 2006 |
| 22 Flat 1 Belsize Square | NW3 4HT | Flat / Apartment | Leasehold | £720,000 | 22 Mar 2006 |
| 9 Flat 6 Belsize Square | NW3 4HT | Flat / Apartment | Leasehold | £315,000 | 27 Feb 2006 |
| 11 Flat 2 Belsize Square | NW3 4HT | Flat / Apartment | Leasehold | £721,000 | 23 Feb 2006 |
| 14a Belsize Square | NW3 4HT | Flat / Apartment | Leasehold | £602,500 | 17 Feb 2006 |
| 28 Flat B Belsize Square | NW3 4HU | Flat / Apartment | Leasehold | £450,000 | 8 Dec 2005 |
| 9 Flat 3 Belsize Square | NW3 4HT | Flat / Apartment | Leasehold | £225,000 | 25 Nov 2005 |
| 39 Flat 1 Belsize Square | NW3 4HL | Flat / Apartment | Leasehold | £640,000 | 27 Sep 2005 |
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Other streets in NW3
Finchley Road
1,696 sales · avg £440,324
Haverstock Hill
952 sales · avg £481,835
Fellows Road
744 sales · avg £451,250
Belsize Park Gardens
704 sales · avg £800,507
Belsize Grove
610 sales · avg £472,538
Fitzjohns Avenue
588 sales · avg £970,576
King Henrys Road
556 sales · avg £691,838
Belsize Avenue
545 sales · avg £527,208
Belsize Park
505 sales · avg £686,485
Kidderpore Avenue
496 sales · avg £1,112,846
Eton Avenue
493 sales · avg £731,233
Frognal
492 sales · avg £766,295
Contains HM Land Registry data © Crown copyright and database right 2026. Licensed under the Open Government Licence v3.0. England and Wales only. Sale prices are as recorded by Land Registry and may exclude some private/below-threshold transactions.