Belsize Square, NW3 — Street Data

3Y Avg Price

£1,016,444

12 sales

Properties

129

5 freehold · 124 leasehold

Sales / Year

3.4

5-year average

Avg £/sq ft

£1,258

£13,541/m²

Rank in NW3

178th

of 228 streets

Last Sale

£862,500

Jan 2026

Price History

Every recorded sale on this street, coloured by property type.

Last 10 Sales

282 total recorded

27D Belsize Square

Flat/Maisonette

£862,500

Jan 2026

44A Belsize Square

Flat/Maisonette

£1,040,000

Aug 2025

43D Belsize Square

Flat/Maisonette

£1,250,000

Jan 2025

FLAT 5, 8 Belsize Square

Flat/Maisonette

£1,090,000

Nov 2024

46A Belsize Square

Flat/Maisonette

£1,269,537

Oct 2024

FLAT 2, 47 Belsize Square

Flat/Maisonette

£910,500

Sept 2024

FLAT 5, 42 Belsize Square

Flat/Maisonette

£1,563,290

Jul 2024

ENTRANCE FLOOR FLAT, 46 Belsize Square

Flat/Maisonette

£1,545,000

Jun 2024

27B Belsize Square

Flat/Maisonette

£675,000

May 2024

27C Belsize Square

Flat/Maisonette

£594,000

May 2024

Street Rankings — NW3

Streets ranked by 3-year average sale price. Showing positions 174–183 of 228.

#	Street	3Y Avg	£/sq ft	Sales/yr
174	Lawn Road	£1,074,850	£1,104	4.2
175	Upper Park Road	£1,073,750	£1,278	5.0
176	Kidderpore Avenue	£1,050,895	£1,408	7.4
177	South End Road	£1,039,000	£1,862	1.4
178	Belsize Square	£1,016,444	£1,258	3.4
179	Ainger Road	£1,009,375	£1,477	2.2
180	Lancaster Drive	£1,005,124	£1,290	1.4
181	Fellows Road	£995,211	£1,102	14.8
182	Downside Crescent	£978,750	£1,225	1.0
183	Lutton Terrace	£977,500	£1,301	0.4

Property Mix

Type

Terraced2 (2%)

Semi-Detached3 (2%)

Flat/Maisonette124 (96%)

Tenure

Freehold5 (4%)

Leasehold124 (96%)

EPC Ratings

114 of 129 properties have an EPC record

0 (0%)

50 (44%)

56 (49%)

7 (6%)

1 (1%)

0 (0%)

Avg floor area: 1,076 sq ft (100 m²)

District Context — NW3

NW3 covers Hampstead, Belsize Park, and surrounding areas in north London, positioned on the fringe of central London. It is one of the capital's most affluent and established residential neighbourhoods, characterised by period properties, tree-lined streets, and strong cultural amenities.