Flat 3 22 Belsize Avenue

NW3 4AU

Flat
Leasehold
2 bedrooms (estimate)
452 sq ft
EPC C

What comparable sales show

Fair match

£494,000

Range £410,000 to £578,000 · £1,093 per sq ft

Since last sale

+£219,000

+79.6% since Mar 2007, +3.0% a year

Rank in NW3 4AU

29th of 32

Postcode average £1,009,063

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

Flat 3 22 Belsize Avenue is a 2 bedroom leasehold flat in NW3 of about 452 sq ft.

Comparable completed sales nearby put it at £410,000 to £578,000, about £494,000 in the middle.

That makes it the 29th highest of the 32 homes we can compare in NW3 4AU, where the middle figure averages £1,009,063.

It last sold for £275,000 in March 2007; comparable sales suggest it has gained about £219,000 since, roughly +3.0% 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

£410,000

Middle

£494,000

Upper end

£578,000

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
March 2007	£275,000	First sale	–

Homes in NW3 4AU

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 2, 22 Belsize AvenueNW3 4AU · Flat	£545,000	Dec 2025	474 sq ft	£1,151	< 0.1 mi
Flat 11, 28 Belsize AvenueNW3 4AU · Flat	£360,000	Oct 2025	484 sq ft	£743	< 0.1 mi
Flat 79, Gilling Court Belsize GroveNW3 4XD · Flat	£475,000	Jun 2026	463 sq ft	£1,026	0.2 mi
4 Howitt CloseNW3 4LX · Flat	£329,000	Feb 2026	431 sq ft	£764	0.2 mi
Flat 26, Holmefield Court Belsize GroveNW3 4TT · Flat	£520,000	Oct 2025	431 sq ft	£1,208	0.2 mi
6 Mccrone MewsNW3 5BG · Flat	£585,000	Jun 2025	409 sq ft	£1,430	0.1 mi
Flat 5, 63 Belsize AvenueNW3 4BN · Flat	£725,000	Mar 2026	614 sq ft	£1,182	0.1 mi
Flat 2, 47 Belsize AvenueNW3 4BN · Flat	£475,000	Mar 2025	506 sq ft	£939	0.1 mi
Flat 3, 21 Belsize AvenueNW3 4BL · Flat	£550,000	Mar 2025	549 sq ft	£1,002	< 0.1 mi
Flat 3, Hillfield Court Belsize AvenueNW3 4BH · Flat	£420,000	Mar 2025	495 sq ft	£848	0.2 mi
Flat 78, Holmefield Court Belsize GroveNW3 4TU · Flat	£475,000	Jan 2025	452 sq ft	£1,051	0.2 mi
Flat 17, Hillfield Mansions Haverstock HillNW3 4QR · Flat	£491,000	Mar 2025	484 sq ft	£1,014	0.2 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 May 2022.

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