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4 bed flat for sale Belsize Park Gardens, London, NW3

Asking Price

£3,500,000

Added on 18/10/2026

Type: Flat
Bedrooms: 4
Bathrooms: 4
Size: £1,262 per sq ft
Tenure: Share of freehold

Council tax Band G £3,679 a year

Key features

Period
Balcony
Raised Ground Floor
Town/City
Duplex

About this property

Occupying an elegant position on one of Belsize Park’s most desirable streets, this exceptional four-bedroom residence extends to approximately 2,774 sq ft and has been thoughtfully redesigned and finished to an outstanding standard throughout.

Beautifully combining grand period architecture with contemporary design, the property offers exceptional family accommodation and impressive entertaining space. The magnificent 30'5 reception and dining room is a particular highlight, featuring soaring ceilings, intricate original cornicing, feature fireplaces and a stunning bay window that floods the room with natural light.

Floorplan

Council tax

Band G £3,679 a year

Per year

Band A

£1,472
Band B

£1,717
Band C

£1,962
Band D

£2,208
Band E

£2,698
Band F

£3,189
Band G

This home: £3,679
Band H

£4,415

This home is in band G, which costs £3,679 a year in Camden for 2026/27.

Figures from MHCLG (Open Government Licence v3): the average bill for each band across Camden, including the typical parish precept, so a parish's own bill can differ a little. Discounts lower the bill, such as 25% off for an adult living alone. Check a home's band on GOV.UK.

Property timeline

Listed

October 2026 £3,500,000

4 beds · 4 baths · this listing

Past sales can't be shown: the agent hasn't given the flat number.

Price guide

100 comparables · within 2.2 miles

Priced above 80% of the 4-bed flats for sale nearby right now.

This home, £3,500,000 Median £1,525,000 · £675,000 – £4,455,000

Per square foot

£1,262 38% over

4-bed flats nearby £917

Against sold prices

15% over

NW3 sold median £1,093 / sq ft, 1,034 sales

Compared with 100 4-bed flats for sale within 2.2 miles, on the market now or already under offer. The range is the middle 80% of their asking prices. Sold prices are HM Land Registry sales in NW3 over the last 24 months, per square foot of EPC floor area. All sold £/sq ft in NW3 →

Location

Belsize Park Gardens, London, NW3

Open map Street View

Mortgage and stamp duty

Property price £3,500,000

£1.8m £5.3m

Deposit10% £350,000

£0 £3.5m

Interest rate 4.5%

0.5% 15%

Repayment period 25 years

5 years 40 years

A £3,150,000 mortgage. Most lenders would want a household income of about £700,000 to support it.

A guide only, for a capital repayment mortgage. The rate you are offered and what you can borrow depend on your circumstances and a full application with a lender or broker. Your home may be repossessed if you do not keep up repayments on your mortgage.

Properties sold nearby

HM Land Registry sales nearby. Floor areas from Energy Performance Certificates where matched.

Address	Type	Sold	Size	Size	£/sq ft	Price
12b, Belsize Park Gardens Flat / maisonette	Flat / maisonette	Jun 2025	861 sq ft £1,031/sq ft	861 sq ft	£1,031	£887,500
Rear Ground Floor Flat, 12, Belsize Park Gardens Flat / maisonette	Flat / maisonette	Sept 2024	753 sq ft £1,128/sq ft	753 sq ft	£1,128	£850,000
Flat 2, 8, Belsize Park Gardens Flat / maisonette	Flat / maisonette	Dec 2023	1,324 sq ft £1,397/sq ft	1,324 sq ft	£1,397	£1,850,000
Flat 1, 8, Belsize Park Gardens Flat / maisonette	Flat / maisonette	Aug 2023	1,335 sq ft £1,386/sq ft	1,335 sq ft	£1,386	£1,850,000
Flat B Top Maisonette, 6, Belsize Park Gardens Flat / maisonette	Flat / maisonette	Jun 2022	1,389 sq ft £1,764/sq ft	1,389 sq ft	£1,764	£2,450,000
6, Belsize Park Gardens Flat / maisonette	Flat / maisonette	Feb 2022	1,389 sq ft £1,152/sq ft	1,389 sq ft	£1,152	£1,600,000
Flat 5, 14, Belsize Park Gardens Flat / maisonette	Flat / maisonette	Jun 2021	850 sq ft £1,029/sq ft	850 sq ft	£1,029	£875,000
Flat 3, 8, Belsize Park Gardens Flat / maisonette	Flat / maisonette	Jun 2021	624 sq ft £1,265/sq ft	624 sq ft	£1,265	£790,000