Properties in NW3 4BL
40 properties with recorded sales in this postcode. Select an address to see its Roofy property report.
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1 FLAT 2 BELSIZE AVENUE
Latest recorded sale:
£870,000 · 2013-12-20
Floor area: 81 m² · EPC
Estimated today:
£887k–£1,141k
Confidence: Low · HPI to Aug 2026
1 FLAT 3 BELSIZE AVENUE
Latest recorded sale:
£970,000 · 2015-03-27
Floor area: 75 m² · EPC
Estimated today:
£878k–£1,128k
Confidence: Low · HPI to Aug 2026
3 BASEMENT FLAT BELSIZE AVENUE
Latest recorded sale:
£850,000 · 2013-07-02
Floor area unavailable
Estimated today:
£852k–£1,095k
Confidence: Low · HPI to Aug 2026
3 FLAT 1 BELSIZE AVENUE
Latest recorded sale:
£1,075,000 · 2015-08-06
Floor area: 70 m² · EPC
Estimated today:
£898k–£1,155k
Confidence: Low · HPI to Aug 2026
5 FLAT 2 BELSIZE AVENUE
Latest recorded sale:
£560,000 · 2022-06-17
Floor area: 50 m² · EPC
Estimated today:
£489k–£568k
Confidence: Medium · HPI to Aug 2026
5 FLAT 3 BELSIZE AVENUE
Latest recorded sale:
£1,135,000 · 2025-02-28
Floor area: 78 m² · EPC
Estimated today:
£993k–£1,098k
Confidence: Medium · HPI to Aug 2026
5 FLAT 4 BELSIZE AVENUE
Latest recorded sale:
£360,000 · 2013-06-19
Floor area: 41 m² · EPC
Estimated today:
£368k–£473k
Confidence: Low · HPI to Aug 2026
5 FLAT 5 BELSIZE AVENUE
Latest recorded sale:
£525,000 · 2023-07-05
Floor area: 40 m² · EPC
Estimated today:
£464k–£539k
Confidence: Medium · HPI to Aug 2026
5 FLAT 6 BELSIZE AVENUE
Latest recorded sale:
£490,000 · 2019-12-11
Floor area: 39 m² · EPC
Estimated today:
£437k–£507k
Confidence: Medium · HPI to Aug 2026
5 FLAT 7 BELSIZE AVENUE
Latest recorded sale:
£535,000 · 2021-06-24
Floor area: 44 m² · EPC
Estimated today:
£474k–£550k
Confidence: Medium · HPI to Aug 2026
7 FIRST FLOOR FLAT BELSIZE AVENUE
Latest recorded sale:
£928,000 · 2019-06-07
Floor area unavailable
Estimated today:
£770k–£895k
Confidence: Low · HPI to Aug 2026
7 LOWER GROUND FLOOR FLAT BELSIZE AVENUE
Latest recorded sale:
£1,007,500 · 2022-03-30
Floor area unavailable
Estimated today:
£836k–£971k
Confidence: Low · HPI to Aug 2026
7 SECOND FLOOR FLAT BELSIZE AVENUE
Latest recorded sale:
£860,000 · 2026-09-21
Floor area unavailable
Estimated today:
£817k–£903k
Confidence: High · HPI to Aug 2026
9B BELSIZE AVENUE
Latest recorded sale:
£885,000 · 2024-08-20
Floor area unavailable
Estimated today:
£829k–£916k
Confidence: Medium · HPI to Aug 2026
9C BELSIZE AVENUE
Latest recorded sale:
£1,020,000 · 2016-07-13
Floor area unavailable
Estimated today:
£925k–£1,189k
Confidence: Low · HPI to Aug 2026
9E BELSIZE AVENUE
Latest recorded sale:
£700,000 · 2019-08-29
Floor area unavailable
Estimated today:
£579k–£672k
Confidence: Low · HPI to Aug 2026
11 FLAT 4 BELSIZE AVENUE
Latest recorded sale:
£1,085,000 · 2024-03-25
Floor area: 77 m² · EPC
Estimated today:
£993k–£1,097k
Confidence: Medium · HPI to Aug 2026
15 FLAT 5 BELSIZE AVENUE
Latest recorded sale:
£460,000 · 2014-03-10
Floor area: 42 m² · EPC
Estimated today:
£451k–£579k
Confidence: Low · HPI to Aug 2026
15 FLAT 9 BELSIZE AVENUE
Latest recorded sale:
£567,000 · 2016-11-28
Floor area: 62 m² · EPC
Estimated today:
£466k–£599k
Confidence: Low · HPI to Aug 2026
15 FLAT 11 BELSIZE AVENUE
Latest recorded sale:
£500,000 · 2017-01-20
Floor area: 58 m² · EPC
Estimated today:
£399k–£513k
Confidence: Low · HPI to Aug 2026
15 FLAT 20 BELSIZE AVENUE
Latest recorded sale:
£590,000 · 2015-02-06
Floor area: 61 m² · EPC
Estimated today:
£525k–£676k
Confidence: Low · HPI to Aug 2026
15 FLAT 24 BELSIZE AVENUE
Latest recorded sale:
£765,000 · 2022-11-24
Floor area: 96 m² · EPC
Estimated today:
£670k–£779k
Confidence: Medium · HPI to Aug 2026
15 FLAT 26 BELSIZE AVENUE
Latest recorded sale:
£780,000 · 2025-11-14
Floor area: 94 m² · EPC
Estimated today:
£686k–£758k
Confidence: Medium · HPI to Aug 2026
15 FLAT 28 BELSIZE AVENUE
Latest recorded sale:
£817,500 · 2016-02-19
Floor area: 96 m² · EPC
Estimated today:
£677k–£870k
Confidence: Low · HPI to Aug 2026
21 FLAT 1 BELSIZE AVENUE
Latest recorded sale:
£3,845,000 · 2022-05-05
Floor area: 275 m² · EPC
Estimated today:
£3,334k–£3,875k
Confidence: Medium · HPI to Aug 2026
21 FLAT 3 BELSIZE AVENUE
Latest recorded sale:
£550,000 · 2025-03-19
Floor area: 51 m² · EPC
Estimated today:
£493k–£545k
Confidence: Medium · HPI to Aug 2026
21 FLAT 5 BELSIZE AVENUE
Latest recorded sale:
£622,300 · 2021-01-22
Floor area: 63 m² · EPC
Estimated today:
£566k–£657k
Confidence: Medium · HPI to Aug 2026
23 THIRD FLOOR FLAT BELSIZE AVENUE
Latest recorded sale:
£485,000 · 2014-01-31
Floor area unavailable
Estimated today:
£478k–£614k
Confidence: Low · HPI to Aug 2026
23A BELSIZE AVENUE
Latest recorded sale:
£930,000 · 2012-03-22
Floor area: 111 m² · EPC
Estimated today:
£1,120k–£1,440k
Confidence: Low · HPI to Aug 2026
23B BELSIZE AVENUE
Latest recorded sale:
£1,123,296 · 2021-03-25
Floor area unavailable
Estimated today:
£1,009k–£1,173k
Confidence: Medium · HPI to Aug 2026
25B BELSIZE AVENUE
Latest recorded sale:
£1,125,000 · 2012-05-25
Floor area: 106 m² · EPC
Estimated today:
£1,335k–£1,716k
Confidence: Low · HPI to Aug 2026
25C BELSIZE AVENUE
Latest recorded sale:
£1,420,000 · 2023-01-11
Floor area unavailable
Estimated today:
£1,201k–£1,395k
Confidence: Medium · HPI to Aug 2026
27 FLAT 3 BELSIZE AVENUE
Latest recorded sale:
£550,000 · 2022-08-31
Floor area: 46 m² · EPC
Estimated today:
£461k–£536k
Confidence: Medium · HPI to Aug 2026
27 FLAT 4 BELSIZE AVENUE
Latest recorded sale:
£625,000 · 2024-09-06
Floor area: 58 m² · EPC
Estimated today:
£555k–£613k
Confidence: Medium · HPI to Aug 2026
27 FLAT 7 BELSIZE AVENUE
Latest recorded sale:
£700,000 · 2026-04-17
Floor area: 100 m² · EPC
Estimated today:
£655k–£724k
Confidence: Medium · HPI to Aug 2026
29 FIRST FLOOR FLAT BELSIZE AVENUE
Latest recorded sale:
£1,325,000 · 2021-02-05
Floor area unavailable
Estimated today:
£1,208k–£1,404k
Confidence: Medium · HPI to Aug 2026
29 FLAT A BELSIZE AVENUE
Latest recorded sale:
£1,465,000 · 2019-11-21
Floor area unavailable
Estimated today:
£1,276k–£1,482k
Confidence: Medium · HPI to Aug 2026
29a Belsize Avenue
View full property report
Floor area: 123 m² · EPC
Estimate unavailable
31 FLAT 1 BELSIZE AVENUE
Latest recorded sale:
£1,850,000 · 2021-06-30
Floor area unavailable
Estimated today:
£1,638k–£1,903k
Confidence: Medium · HPI to Aug 2026
31 FLAT 2 BELSIZE AVENUE
Latest recorded sale:
£1,200,000 · 2024-04-19
Floor area: 124 m² · EPC
Estimated today:
£1,118k–£1,236k
Confidence: Medium · HPI to Aug 2026
Based on available recorded sale data. This is not necessarily a complete list of addresses in the postcode.
Sale prices are historical transactions, not current valuations.
Estimated ranges use UK House Price Index data and are indicative only. Select a property for the full report and methodology.