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Belsize Avenue

NW3 4BL

Median sold

£773k

£772,500

Sales on record

Since 1995

Homes

101

With a band

At a glance

Median sold

£773k

£772,500 across 60 sales

Last sale

£700k

Apr 2026

Homes on record

101

With a council tax band

Typical floor area

54 m²

71 EPC assessments

Prices from HM Land Registry Price Paid. Bands from the Valuation Office Agency. Nothing here is a valuation.

Worth knowing

5 currently advertisedHomes

2 rail stops within 800 mArea

38 listed buildings within 500 mArea

Each line below links to the section that shows the underlying records.

Median sold price by year

20162026

HM Land Registry Price Paid, the price on the deed. Years with a single sale move this line a long way — the count is shown so you can tell.

Every recorded sale (60)

FLAT 7, 27 Belsize Avenue£700,000Apr 2026

FLAT 26, 15 Belsize Avenue£780,000Nov 2025

FLAT 3, 21 Belsize Avenue£550,000Mar 2025

FLAT 3, 5 Belsize Avenue£1,135,000Feb 2025

FLAT 4, 27 Belsize Avenue£625,000Sept 2024

9B Belsize Avenue£885,000Aug 2024

FLAT 2, 31 Belsize Avenue£1,200,000Apr 2024

FLAT 4, 11 Belsize Avenue£1,085,000Mar 2024

FLAT 5, 5 Belsize Avenue£525,000Jul 2023

25C Belsize Avenue£1,420,000Jan 2023

FLAT 24, 15 Belsize Avenue£765,000Nov 2022

FLAT 3, 27 Belsize Avenue£550,000Aug 2022

FLAT 2, 5 Belsize Avenue£560,000Jun 2022

FLAT 1, 21 Belsize Avenue£3,845,000May 2022

LOWER GROUND FLOOR FLAT, 7 Belsize Avenue£1,007,500Mar 2022

FLAT 1, 31 Belsize Avenue£1,850,000Jun 2021

FLAT 7, 5 Belsize Avenue£535,000Jun 2021

23B Belsize Avenue£1,123,296Mar 2021

FIRST FLOOR FLAT, 29 Belsize Avenue£1,325,000Feb 2021

FLAT 5, 21 Belsize Avenue£622,300Jan 2021

FLAT 2, 5 Belsize Avenue£500,000Mar 2020

FLAT 6, 5 Belsize Avenue£490,000Dec 2019

FLAT A, 29 Belsize Avenue£1,465,000Nov 2019

9E Belsize Avenue£700,000Aug 2019

FIRST FLOOR FLAT, 7 Belsize Avenue£928,000Jun 2019

FLAT 1, 31 Belsize Avenue£1,595,000Jun 2017

FLAT 11, 15 Belsize Avenue£500,000Jan 2017

FLAT 9, 15 Belsize Avenue£567,000Nov 2016

9C Belsize Avenue£1,020,000Jul 2016

FLAT 4, 11 Belsize Avenue£1,100,250Mar 2016

FLAT 28, 15 Belsize Avenue£817,500Feb 2016

FLAT 1, 3 Belsize Avenue£1,075,000Aug 2015

FLAT 2, 5 Belsize Avenue£440,000Jul 2015

FLAT 3, 1 Belsize Avenue£970,000Mar 2015

25C Belsize Avenue£1,435,000Feb 2015

FLAT 20, 15 Belsize Avenue£590,000Feb 2015

FLAT 5, 5 Belsize Avenue£465,000Jul 2014

FLAT 5, 15 Belsize Avenue£460,000Mar 2014

FLAT 3, 1 Belsize Avenue£820,000Mar 2014

THIRD FLOOR FLAT, 23 Belsize Avenue£485,000Jan 2014

FLAT 2, 1 Belsize Avenue£870,000Dec 2013

BASEMENT FLAT, 3 Belsize Avenue£850,000Jul 2013

FLAT 4, 5 Belsize Avenue£360,000Jun 2013

FLAT 9, 15 Belsize Avenue£405,000Jun 2013

25B Belsize Avenue£1,125,000May 2012

FLAT 20, 15 Belsize Avenue£375,000Mar 2012

23A Belsize Avenue£930,000Mar 2012

FLAT 1, 21 Belsize Avenue£3,037,500Jan 2012

23B Belsize Avenue£1,030,000Jun 2011

25C Belsize Avenue£830,000Jun 2011

FLAT 7, 5 Belsize Avenue£315,000Apr 2011

FIRST FLOOR FLAT, 29 Belsize Avenue£750,000Jan 2011

FLAT 8, 15 Belsize Avenue£368,000Dec 2010

FLAT 16, 15 Belsize Avenue£380,000Aug 2010

FLAT 5, 21 Belsize Avenue£435,000Aug 2010

LOWER GROUND FLOOR FLAT, 7 Belsize Avenue£678,000Jul 2010

FLAT 1, 1 Belsize Avenue£960,000Jun 2010

FLAT 3, 15 Belsize Avenue£265,000Nov 2009

HM Land Registry Price Paid, 1995 to date. This is the price the property changed hands for, not an estimate, and it excludes transfers that were not at market value.