« Sold prices in N1
17C, BARNSBURY SQUARE, LONDON, ISLINGTON, GREATER LONDON, N1 1JL Energy performance D potential C
EPC energy rating
£13,786/m²
Price per m² (last sale)
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Energy performance data © Crown copyright, from the Energy Performance of Buildings Register, licensed under the Open Government Licence v3.0. Assessed Jan 2017.
Approximate location (postcode centre). Map data © OpenStreetMap contributors.
Local planning constraints Conservation area Barnsbury
Planning designations from planning.data.gov.uk and Environment Agency flood-risk data, © Crown copyright and database right, under the Open Government Licence v3.0. Coverage is incomplete and depends on the local authority — absence here does not guarantee a property is unaffected. Always check official sources.
How this compares Averages cover every recorded sale in N1 1JL (2016–2025) and are not adjusted for house-price changes over that period — where the market has risen, older sales pull the average below today’s values, so treat this as a rough guide rather than a like-for-like comparison.
£1,627,194
Average in N1 1JL (2016–2025)
£1,627,194
Average on BARNSBURY SQUARE (2016–2025)
-70%
below postcode average
Full transaction history Date sold Price paid Property type Tenure New build 16 October 2025 £482,500 Flat/Maisonette Leasehold No
Recent sales nearby £1,650,000
APARTMENT 6, 3, BARNSBURY SQUARE, LONDON, ISLINGTON, GREATER LONDON, N1 1JL
Flat/Maisonette Oct 2025
£2,100,000
4, BARNSBURY SQUARE, LONDON, ISLINGTON, GREATER LONDON, N1 1JL
Other Sept 2024
£3,300,000
APARTMENT 8, 16, BARNSBURY SQUARE, LONDON, ISLINGTON, GREATER LONDON, N1 1JL
Flat/Maisonette Jun 2024
£1,230,000
FLAT 5, MOUNTFORT HOUSE, 15, BARNSBURY SQUARE, LONDON, ISLINGTON, GREATER LONDON, N1 1JL
Flat/Maisonette Oct 2023
£1,300,000
1, BARNSBURY SQUARE, LONDON, ISLINGTON, GREATER LONDON, N1 1JL
Flat/Maisonette Apr 2021
£1,166,666
7, BARNSBURY SQUARE, LONDON, ISLINGTON, GREATER LONDON, N1 1JL
Terraced Oct 2016
More sold prices in N1 Sold prices in LONDON