35c Belsize Avenue

NW3 4BN

Flat
Leasehold
2 bedrooms (estimate)
689 sq ft
EPC D

What comparable sales show

Fair match

£664,000

Range £551,000 to £777,000 · £964 per sq ft

Since last sale

−£166,000

−20.0% since Jul 2018, −2.7% a year

Rank in NW3 4BN

21st of 35

Postcode average £1,148,914

From completed sales of similar homes nearby, adjusted for floor area. It cannot see condition, layout or recent work, so it is not a valuation.

In short

35c Belsize Avenue is a 2 bedroom leasehold flat in NW3 of about 689 sq ft.

Comparable completed sales nearby put it at £551,000 to £777,000, about £664,000 in the middle.

That makes it the 21st highest of the 35 homes we can compare in NW3 4BN, where the middle figure averages £1,148,914.

It last sold for £830,000 in July 2018; comparable sales suggest it has lost about £166,000 since, roughly −2.7% a year.

Across Camden, average prices fell 10.6% in the year to August 2026.

Where in the range would yours sell?

Condition and improvements usually decide it, and only someone who sees the home can say.

Lower end

£551,000

Middle

£664,000

Upper end

£777,000

Done work since the records were made? Claim your home and tell us, or ask local agents where yours sits.

Belsize Avenue at a glance

Completed sales on the road in the last two years

Sales

Average price

£768k

Average size

722 sq ft

Per sq ft

£925

Price range

£360k to £1.88m

See every sale on Belsize Avenue →

Sale history

Every sale of this home registered with HM Land Registry since 1995

Sold	Price paid	Change	A year
July 2018	£830,000	+48.2%	+3.8%
November 2007	£560,000	First sale	–

Homes in NW3 4BN

Ranked by what comparable sales show. Choose one to see its page.

The completed sales behind the figure

Similar homes nearby, registered with HM Land Registry. Choose one to see its page.

Home	Price	Sold	Size	Per sq ft	Away
Flat 5, 63 Belsize AvenueNW3 4BN · Flat	£725,000	Mar 2026	614 sq ft	£1,182	< 0.1 mi
Flat 1, Belle Vue Apartments Rowland Hill StreetNW3 2AQ · Flat	£705,000	Apr 2026	700 sq ft	£1,008	0.1 mi
Flat 3, 1 Lyndhurst GardensNW3 5NS · Flat	£915,000	Apr 2026	689 sq ft	£1,328	0.2 mi
Flat C, 179 Haverstock HillNW3 4QS · Flat	£595,000	Apr 2026	710 sq ft	£838	0.2 mi
Flat 2, 41 Glenmore RoadNW3 4DA · Flat	£760,000	Mar 2026	667 sq ft	£1,139	0.2 mi
169C Haverstock HillNW3 4QT · Flat	£572,500	Jul 2026	753 sq ft	£760	0.2 mi
49B Belsize AvenueNW3 4BN · Flat	£877,000	Mar 2025	775 sq ft	£1,132	< 0.1 mi
181A Haverstock HillNW3 4QS · Flat	£680,000	Dec 2025	710 sq ft	£957	0.2 mi
Top Floor Flat, 9 Glenmore RoadNW3 4BY · Flat	£650,000	Oct 2025	689 sq ft	£944	0.1 mi
Flat 19, Belle Vue Apartments Rowland Hill StreetNW3 2AQ · Flat	£515,000	Jul 2026	570 sq ft	£903	0.1 mi
Flat 3, 24 Lyndhurst RoadNW3 5NX · Flat	£835,000	May 2026	743 sq ft	£1,124	0.2 mi
Flat 70, Hillfield Court Belsize AvenueNW3 4BG · Flat	£725,000	Nov 2025	818 sq ft	£886	0.1 mi

What buyers have paid in NW3

Completed sales in the last 12 months, against the 12 months before

Type	Sales	Average price	Average size	Per sq ft	On the year
All homes	363	£1,487,820	1,248 sq ft	£1,084	−5.2%
Flats	281	£968,039	896 sq ft	£979	−10.3%
Terraced	40	£2,257,067	1,786 sq ft	£1,335	−15.3%
Semi-detached	21	£4,142,893	2,874 sq ft	£1,530	+0.9%
Detached	12	£5,903,271	3,387 sq ft	£1,420	−1.6%

Floor area and energy rating from the energy certificate of October 2017.

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