Over the past 31 years, there have been 42 property sales recorded in the N1 1JL postcode area. The highest sale price reached £6,150,000, while the most recent sale was a property sold in October 2025 for £1,650,000.

The estimated average property value in N1 1JL currently stands at £1,628,714, which is approximately 101.2% higher than the city average, indicating a potentially more desirable or in-demand location.

In terms of size, the average price per square metre is approximately £12,587.

Property prices in N1 1JL have fallen by 0.6% over the past year , with a total increase of 2.8% over the past five years , and a long-term rise of 12.4% over the past decade .

The most common type of property sold in the area is flat, making up around 74% of transactions , followed by detached and other.

Housing in N1 1JL is predominantly owner-occupied, with an estimated 53% of homes being lived in by the owners.

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Property Sales

1 Barnsbury Square, London, Islington, Greater London, N1 1JL

🏠 Flat
🛏️ 3bed
📐 1281 sq ft
Today
£1,288,323
streetscan.co.uk estimate
9 Apr 2021
£1,300,000
19 Nov 2013
£885,000
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11 Barnsbury Square, London, Islington, Greater London, N1 1JL

🏠 Semi-detached
🛏️ 5bed
📐 1393 sq ft
Today
£2,094,382
streetscan.co.uk estimate
14 Aug 2009
£910,000
26 Feb 1997
£313,500
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12 Barnsbury Square, London, Islington, Greater London, N1 1JL

🏠 Detached
🛏️ 7bed
📐 2067 sq ft
Today
£3,733,912
streetscan.co.uk estimate
23 May 2014
£2,750,000
17 Jun 2010
£1,510,000
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Apartment 10, 16 Barnsbury Square, London, Islington, Greater London, N1 1JL

🏠 Flat
🛏️ bed
📐 958 sq ft
Today
£1,255,666
streetscan.co.uk estimate
26 Apr 2017
£1,222,789
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Apartment 2, 16 Barnsbury Square, London, Islington, Greater London, N1 1JL

🏠 Flat
🛏️ bed
📐 700 sq ft
Today
£711,905
streetscan.co.uk estimate
16 Mar 2020
£699,000
15 Mar 2019
£695,000
More details

Apartment 4, 16 Barnsbury Square, London, Islington, Greater London, N1 1JL

🏠 Flat
🛏️ bed
📐 926 sq ft
Today
£945,127
streetscan.co.uk estimate
6 Aug 2018
£957,500
More details

Apartment 6, 16 Barnsbury Square, London, Islington, Greater London, N1 1JL

🏠 Flat
🛏️ bed
📐 2734 sq ft
Today
£2,975,192
streetscan.co.uk estimate
14 Oct 2022
£3,125,000
9 Mar 2018
£2,715,000
More details

Apartment 8, 16 Barnsbury Square, London, Islington, Greater London, N1 1JL

🏠 Flat
🛏️ bed
📐 2508 sq ft
Today
£2,998,079
streetscan.co.uk estimate
17 Jun 2024
£3,300,000
14 Jun 2019
£2,795,000
More details

Office Studio B, 16 Barnsbury Square, London, Islington, Greater London, N1 1JL

Today
£916,167
streetscan.co.uk estimate
10 Jul 2018
£942,000

3 Barnsbury Square, London, Islington, Greater London, N1 1JL

Today
£5,993,081
streetscan.co.uk estimate
1 Oct 2020
£6,150,000

Apartment 2, 3 Barnsbury Square, London, Islington, Greater London, N1 1JL

Today
£1,501,610
streetscan.co.uk estimate
30 Aug 2023
£1,550,000

Apartment 3, 3 Barnsbury Square, London, Islington, Greater London, N1 1JL

Today
£851,954
streetscan.co.uk estimate
9 Oct 2023
£900,000

Apartment 4, 3 Barnsbury Square, London, Islington, Greater London, N1 1JL

Today
£673,302
streetscan.co.uk estimate
1 Aug 2023
£695,000

Apartment 5, 3 Barnsbury Square, London, Islington, Greater London, N1 1JL

Today
£658,771
streetscan.co.uk estimate
9 Sep 2024
£680,000

Apartment 6, 3 Barnsbury Square, London, Islington, Greater London, N1 1JL

Today
£1,615,828
streetscan.co.uk estimate
31 Oct 2025
£1,650,000

Apartment 7, 3 Barnsbury Square, London, Islington, Greater London, N1 1JL

Today
£687,922
streetscan.co.uk estimate
6 Mar 2025
£690,000

Flat 1, 4 Barnsbury Square, London, Islington, Greater London, N1 1JL

Today
£581,836
streetscan.co.uk estimate
2 Feb 2009
£300,000

Ground Floor Flat, 5 Barnsbury Square, London, Islington, Greater London, N1 1JL

Today
£532,826
streetscan.co.uk estimate
28 Feb 2014
£445,900

7 Barnsbury Square, London, Islington, Greater London, N1 1JL

🏠 Terraced
🛏️ 4bed
📐 1119 sq ft
Today
£1,402,128
streetscan.co.uk estimate
14 Oct 2016
£1,166,666
More details

8 Barnsbury Square, London, Islington, Greater London, N1 1JL

Today
£2,272,122
streetscan.co.uk estimate
14 Sep 2007
£1,120,000

First Floor Maisonette, Mountfort House, 15 Barnsbury Square, London, Islington, Greater London, N1 1JL

Today
£1,224,045
streetscan.co.uk estimate
29 May 1998
£249,000
22 May 1997
£110,000
25 Nov 1996
£110,000

Flat 1, Mountfort House, 15 Barnsbury Square, London, Islington, Greater London, N1 1JL

🏠 Flat
🛏️ 3bed
📐 1781 sq ft
Today
£1,597,752
streetscan.co.uk estimate
6 Jun 2016
£1,535,000
25 Oct 1996
£227,000
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Flat 2, Mountfort House, 15 Barnsbury Square, London, Islington, Greater London, N1 1JL

🏠 Flat
🛏️ 6bed
📐 2131 sq ft
Today
£2,304,909
streetscan.co.uk estimate
30 Mar 2012
£1,525,000
More details

Flat 3, Mountfort House, 15 Barnsbury Square, London, Islington, Greater London, N1 1JL

🏠 Other
🛏️ 2bed
📐 786 sq ft
Today
£802,185
streetscan.co.uk estimate
29 Nov 2021
£845,000
18 Jul 1997
£120,000
More details

Flat 5, Mountfort House, 15 Barnsbury Square, London, Islington, Greater London, N1 1JL

🏠 Flat
🛏️ 3bed
📐 1086 sq ft
Today
£1,164,337
streetscan.co.uk estimate
11 Oct 2023
£1,230,000
29 Mar 2011
£620,000
View +2 more
More details

Area Insights

Data Sources

Properties at N1 1JL appear fourty-two times in the Land Registry records, with the latest transaction recorded on 31 Oct 2025. It also has thirteen Energy Performance Certificates (EPC) entries, the earliest dating back to 12 May 2011. We use this data, to estimate the property's characteristics and current market value.

This website uses public sector information from:

These datasets are licensed under the Open Government Licence v3.0.
This website is not affiliated with or endorsed by HM Land Registry or DLUHC.

Disclaimer: StreetScan.co.uk makes all reasonable efforts to ensure the information provided on this website is current and accurate; however, no warranties or representations are made as to its completeness or accuracy. StreetScan.co.uk expressly disclaims any and all liability for any loss, damage, or expense arising directly or indirectly from the use of, or reliance upon, such information.