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According to the public record, 4, Union Square is a freehold house.
By comparing it to neighbours, we estimate that it is a period house with 1,543 ft2 of internal area and sits on a 130 m2 plot and a garden.
Houses of this size in this area normally have 4 bedrooms.
Based on available information, and assuming reasonable condition, the estimated sale value for 4, Union Square is £2,028,442 and the estimated rental value is £8,543 per month.
Union Square, London, N1 is located in the borough of Islington within the N1 postal district.
4, Union Square has a single entry in the Land Registry from August 2007 and no records in the EPC database.
We combine this sold price information with public data of neighbouring properties to estimate the 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 4, Union Square is in very good condition we estimate a sale value of £2,129,864 and a rental value of £8,970 per month.
However, if the property needs a lot of cosmetic work we estimate a sale value of £1,886,451 and a rental value of £7,945 per month.
Over the last 12 months the sale value of 4 Union Square has decreased by an estimated £91,983 (4.5%) and its rental value has increased by an estimated £656 per month (7.7%), giving an expected gross yield of 5.1%.
According to data from HM Land Registry, 4, Union Square sits on a plot of 130m2.
We have plot size data on 10 out of 25 other houses in the postcode and 4, Union Square sits on the 2nd largest plot.
According to HM Land Registry, 4, Union Square was last sold on 24th August 2007 for £1,050,000 and was recorded as a freehold house.
The property has only had this single sale since 1995.
Since August 2007, the market for similar properties has risen 85.7%
According to the Land Registry and our network of Estate Agents, there have been 3 sales of properties similar to 4, Union Square within a radius of 260 metres over the last 2 years.
The most recent example is 7, Rydon Street, London, N1 7AL, a freehold house which sold for £2,215,000 on the 29th August 2025.
Read more about house prices in N1.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
Our network of Estate Agents report 3 lets within a 260 metres radius of 4, Union Square over the last 2 years.
Most recently Flat 1, 14-22, Coleman Fields, London, N1 7AD, a leasehold flat let by Fine Living in May 2021.
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
Union Square, London, N1 has a total of 33 addresses. According to our analysis of all the public data, 4, Union Square is the 16th largest and the 9th most expensive property on the street.
When compared to the postcode district it is £1.293m more expensive than the average property in N1.
The closest station to 4, Union Square is Essex Road station which is 500 metres away.
According to recent data from Ofcom, ultrafast broadband is available in this area.
According to recent data from Ofcom, Ultrafast broadband is available in the area.
According to data from the Environment Agency, the flood risk in this area is considered to be very low.
The recent census recorded whether a resident owned or rented their home.
In the area around 4, Union Square, 37.4% of property is privately owned outright and 37.4% is privately owned with a mortgage.
The graph below shows how this compares to Greater London and the rest of England & Wales.
The recent census recorded the highest level of education achieved by residents in the local area.
In the area around 4, Union Square, 17.7% of residents are recorded as possessing school level qualifications and 82.3% as possessing degree level qualifications.
The graph below shows how this compares to Greater London and the rest of England & Wales.
The most recent census in 2021 recorded the age of all UK residents.
In the area around 4, Union Square, the average age was 36 and the most common age was 27.
The graph below shows how this compares to Greater London and the rest of England & Wales
The recent census recorded whether a property was a primary or secondary home for the resident.
In the area around 4, Union Square, 3.3% of property was a second home.
Comparison figures for Greater London and the rest of England & Wales are listed below.
The recent census recorded the number of cars registered in each household.
In the area around 4, Union Square, there are an average of 0.7 cars per household.
See below for how this compares to Greater London and the rest of England & Wales.