« Sold prices in N1
3A, UNION SQUARE, LONDON, ISLINGTON, GREATER LONDON, N1 7DH Energy performance E potential D
EPC energy rating
£11,205/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 Sept 2010.
Approximate location (postcode centre). Map data © OpenStreetMap contributors.
Local planning constraints Conservation area Arlington Square
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 7DH (2015–2025) 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.
£1,539,100
Average in N1 7DH (2015–2025)
£1,539,100
Average on UNION SQUARE (2015–2025)
-40%
below postcode average
Full transaction history Date sold Price paid Property type Tenure New build 7 November 2023 £930,000 Flat/Maisonette Leasehold No
Recent sales nearby £950,000
UPPER MAISONETTE, 3, UNION SQUARE, LONDON, ISLINGTON, GREATER LONDON, N1 7DH
Flat/Maisonette Sept 2025
£2,355,000
7, UNION SQUARE, LONDON, ISLINGTON, GREATER LONDON, N1 7DH
Terraced Jun 2024
£2,200,000
14, UNION SQUARE, LONDON, ISLINGTON, GREATER LONDON, N1 7DH
Terraced Jan 2024
£2,350,000
15, UNION SQUARE, LONDON, ISLINGTON, GREATER LONDON, N1 7DH
Terraced Jul 2023
£2,375,000
12, UNION SQUARE, LONDON, ISLINGTON, GREATER LONDON, N1 7DH
Terraced Aug 2022
£1,480,000
UPPER MAISONETTE, 6, UNION SQUARE, LONDON, ISLINGTON, GREATER LONDON, N1 7DH
Flat/Maisonette Jan 2018
More sold prices in N1 Sold prices in LONDON