1A, Thornhill Square
1A, Thornhill Square
Description & Estimates
1A, Thornhill Square is recorded publicly as a period leasehold apartment across 936 ft2 of internal area.
Locally, apartments of this size normally have 3 bedrooms with a garden.
Our estimate of the sale value of 1A, Thornhill Square is £905,520 and its rental estimate is £3,947 per month, given the available information and assuming reasonable condition.
1, Thornhill Square is a residential building on Thornhill Square, London, N1 and falls within the N1 postal district and the London Borough of Islington.
Our Data Sources
1A, Thornhill Square has a single entry in the Land Registry from April 2023 and a single entry in the EPC database dated January 2014.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 out of 5 and is considered of medium accuracy.
Price Range & Condition
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 1A, Thornhill Square, we estimate a market value of £950,797 and a rental value of £4,144 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £842,134 and £3,670 per month respectively.
Recent Market Change
Over the last year, 1A, Thornhill Square has seen its estimated sale value fall by £29,789 (3.3%) and its estimated rental value move up by £284 per month (7.2%). This results in an estimated gross rental yield of 5.2%.
Energy Efficiency
1A, Thornhill Square has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 27 Jan 2014.
The property is not connected to mains gas and has single glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
The most recent sale of 1A, Thornhill Square completed on 3rd April 2023 at £752,500 and was recorded by HM Land Registry as a leasehold flat.
Since 1995 this is the property's only sale.
Values of comparable properties have dropped by 16.4% over the period since April 2023.
- Sold Apr 2023£752,500
Similar Properties Sold Nearby
Over the past 2 years 3 properties similar to 1A, Thornhill Square have sold within a radius of 290 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 15th August 2025, was 21A, Huntingdon Street, London, N1 1BS, a leasehold flat which sold for £1,220,000.
Read more about house prices in N1.
- Sold Aug 2025£1,220,000 | 3 Bed Flat21A, Huntingdon Street, London, N1 1BS21A, Huntingdon Street, London, N1 1BS
- Sold Mar 2025£900,000 | 3 Bed Flat70A , Offord Road, London, N1 1EB70A , Offord Road, London, N1 1EB
- Sold Jul 2023£875,000 | 3 Bed Flat51C , Offord Road, London, N1 1EA51C , Offord Road, London, N1 1EA
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 102 addresses on Thornhill Square, London, N1, 1A, Thornhill Square comes out as the 54th largest and the 51st most expensive in our analysis of the public data.
It is also £157k more expensive than the average property across the N1 district.
More reading links
Schools Nearby
- 200mSt Andrew's (Barnsbury) CofE Primary School
- 300mThornhill Primary School
- 500mVittoria Primary School
- 800mElizabeth Garrett Anderson School
- 1.2kmCity of London Academy Islington
- 1.5kmRegent High School
More reading links
Public Transport Nearby
From 1A, Thornhill Square, the nearest station is Caledonian Road & Barnsbury, 300 metres away.
- 300mCaledonian Road & Barnsbury
- 1.0kmCaledonian Road
- 1.0kmAngel
Available Internet Speeds
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast broadband is available in the area.
Risk of Flooding
The flood risk here is rated very low, based on Environment Agency data.
