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According to the public record, Garden Flat, 23A, Belsize Square is a period apartment with 1,033 ft2 of internal area.
Apartments of this size in this area normally have 3 bedrooms with a garden.
Based on available information, and assuming reasonable condition, the estimated sale value for Garden Flat, 23A, Belsize Square is £916,516 and the estimated rental value is £3,961 per month.
Belsize Square, London, NW3 is located in the borough of Camden within the NW3 postal district.
Garden Flat, 23A, Belsize Square has no records in the the Land Registry and a single entry in the EPC database dated July 2014.
We combine this information with public data of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 out of 5 and is considered of high accuracy.
Decorative condition can have a big effect on a property's value and this effect varies depending on the type, size and location of the property.
If Garden Flat, 23A, Belsize Square is in very good condition we estimate a sale value of £962,342 and a rental value of £4,159 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £852,360 and a rental value of £3,684 per month.
Over the last 12 months the sale value of Garden Flat 23A Belsize Square has decreased by an estimated £16,836 (1.8%) and its rental value has increased by an estimated £233 per month (5.9%), giving an expected gross yield of 5.2%.
Garden Flat, 23A, Belsize Square has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 24 Jul 2014.
The property is not connected to mains gas and has partial double glazing. It is heated using Boiler and radiators, mains gas.
According to the Land Registry and our network of Estate Agents, there have been 3 sales of properties similar to Garden Flat, 23A, Belsize Square within a radius of 270 metres over the last 2 years.
The most recent example is 27D, Belsize Square, London, NW3 4HU, a leasehold flat which sold for £862,500 on the 30th January 2026.
Read more about house prices in NW3.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
Our network of Estate Agents report 2 lets within a 270 metres radius of Garden Flat, 23A, Belsize Square over the last 2 years.
Most recently 3B , Lancaster Drive, London, NW3 4EY, a leasehold flat let by Fine Living in February 2025.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
Belsize Square, London, NW3 has a total of 264 addresses. According to our analysis of all the public data, Garden Flat, 23A, Belsize Square is the 96th largest and the 106th most expensive property on the street.
When compared to the postcode district it is £408k less expensive than the average property in NW3.
The nearest school is Holy Trinity CofE Primary School, NW3 which is 600 metres away. The nearest train station is Belsize Park which is 500 metres away.
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