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£644,000 below fair value

NW3 5AB

Belsize Lane, Belsize Park, NW3

4 Beds
3 Baths
136 m² Floor area
Type Flat
Listed 29 May 2026
Asking price £1,525,000
Price per m² £11,765 / m²

An exceptionally bright four bedroom upper duplex flat extending to nearly 1,500 square feet of accommodation, arranged over the second & third floors of an attractive period house, located on this pretty road in Belsize Park.

This impressive home offers four bedrooms and three bathrooms, together with spacious accommodation flooded with natural light throughout.

Two private balconies provide superb outside space, facing both North & South and enjoying delightful views including far reaching views across central London. Additionally, the property benefits from a share of the freehold and a long lease with 945 years remaining.

The property is ideally located just 0.2 miles from the High Street, with an excellent selection of shops, cafés and restaurants, Belsize Park Underground (Northern Line) is located only 0.3 miles away and Swiss Cottage Underground (Jubilee Line) is located 0.6 miles from the property. Sole agent.

Selling your property in Belsize Lane? Trying to find your perfect home to buy? Register with Chestertons Hampstead to get the full picture from the experts in the Belsize Park market.

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How the asking price has moved

May 2026
£1,600,000
Listed at original asking price
Jul 2026
£1,525,000
Current asking price

What similar homes actually sold for

Nearby Land Registry transactions — the data behind our fair price estimate.

Address Sold price Date Type
16 18A BELSIZE LANE, NW3 5AB £954,000 Oct 2025 Flat
Flat 2, ROSSLYN HEIGHTS, 2 BELSIZE LANE, NW3 5AB £1,350,000 Oct 2024 Flat
Flat 5, ROSSLYN HEIGHTS, 2 BELSIZE LANE, NW3 5AB £1,925,000 Apr 2024 Flat
18 BELSIZE LANE, NW3 5AB £825,000 Nov 2023 Flat
22 BELSIZE LANE, NW3 5AB £3,250,000 Aug 2023 Semi-Detached
Flat 4, 8, 8 BELSIZE LANE, NW3 5AB £831,000 Jul 2022 Flat
Flat 1, 8, 8 BELSIZE LANE, NW3 5AB £1,495,000 Nov 2021 Flat
Flat 3, ROSSLYN HEIGHTS, 2 BELSIZE LANE, NW3 5AB £1,330,000 Sep 2021 Flat
Flat 4A, 4 6, 4 6 BELSIZE LANE, NW3 5AB £900,518 Oct 2020 Flat
Flat 2, ROSSLYN HEIGHTS, 2 BELSIZE LANE, NW3 5AB £1,156,900 Jul 2020 Flat
Flat 1, ROSSLYN HEIGHTS, 2 BELSIZE LANE, NW3 5AB £1,310,000 Jul 2020 Flat
20 BELSIZE LANE, NW3 5AB £2,292,685 Jun 2019 Flat
Source: HM Land Registry · NW3 5AB · Sorted by date

Belsize Lane, Belsize Park, NW3

Our fair price estimate
£2,169,000
Nearby sold prices per m² × UK HPI × 136 m² floor area (EPC-declared)
Asking price £1,525,000
Fair price £2,169,000
Difference ↓ £644,000 under
Price per m² £11,765 / m²
Contact landlord
About this valuation

Fair price calculated from HM Land Registry sold prices in the same postcode area, adjusted by the UK House Price Index, and multiplied by the EPC-declared floor area of 136 m². Updated daily.