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Get started9 Canonbury Square is a mid-terrace house in Islington, London, London (N1 2AU). It has a recorded floor area of 75 m² (around 807 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (June 2018) shows a D (score 60), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since May 2011. Between certificates, wall efficiency dropped from Poor to Very Poor and window efficiency dropped from Average to Very Poor. The recommended improvements would lift it to B (score 81), a 2-band jump. At 75 m² this is the 5th smallest of 11 units on EPC record in the building, where floor areas span 39–242 m². The building's EPC ratings span E to C across 11 units on file.
Untraded for 28 years, with the last transfer in February 1998. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £845,000 sits 463.3% above the 1998 sale of £150,000. On a £-per-square-foot basis, the last sale (£186/sq ft) was about 56.3% below the postcode norm.
Recommended upgrades on file would lift this property by multiple EPC bands.
9 Canonbury Square's modelled value sits at over four times its earliest registered sale price (1998).
£845,000
Modelled from EPC, postcode comparables.
£150,000
Recorded with HM Land Registry.
Price per m² for 9 Canonbury Square lags the street by a wide margin.
Price per m²
£2,000
Street avg £8,455
Floor Area
75 m²
Street avg 69 m²
Habitable Rooms
3 rooms
Rail-style transport is unusually close for this postcode.
Crime
10/mo
Rising year-on-year across the wider district.
Nearest stop
0.0 km
Canonbury Square — bus stop.

Daytime· 07:00 – 23:00
57.1dB

18 February 1998Most recent
£150,000
Median price across the last 5 sales in N1 2AU: £1,450,000 (2025–2020).
First Floor Flat 12 Canonbury Square London
Sold Sept 2025
6 Canonbury Square Islington London
Sold Sept 2024
Basement Flat 11 Canonbury Square Islington London
Sold May 2023
2 Canonbury Square Islington London
Sold Sept 2022
7 Canonbury Square Islington London
Sold Sept 2020
Street avg 3 rooms
CO₂ Emissions
3.6 t/year
Street avg 3.1 t/year
Closest school
0.1 km
William Tyndale Primary School. 101 schools nearby.
Night-time· 23:00 – 07:00
47.8dB
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