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Get started12 Alwyne Square is a four-bedroom mid-terrace house in Islington, London, London (N1 2JX). It has a recorded floor area of 187 m² (around 2013 sq ft), construction records dating it to 1983-1990 and council tax band G. The latest certificate (February 2021) shows a C (score 75), near the top of the C band. The recommended improvements would push it to B (score 83).
It hasn't traded since February 2008, a hold of 18 years that's notably long for the area. Across the public record there are 4 sales, relatively high churn for a single property. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. Sale prices here have outpaced London HPI: 12.5% per year against 0% for the wider region. Today's modelled estimate of £2,068,000 sits 63.5% above the 2008 sale of £1,265,000. 2 planning records sit against the property, 1 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. At 187 m² it's 16.9% larger than the typical home in the postcode (160 m² median across 9 EPCs).
12 Alwyne Square has an approved single-storey rear extension on the planning record.
Addition of 3 conservation roof lights on front slope of pitched roof.
12 Alwyne Square has more than doubled in price since the earliest registered sale in 2001.
£2,068,000
Modelled from EPC, postcode comparables and a sale-price growth of 12.5% per year over 7 years.
£1,265,000
Growth on file: 12.5% per year over 7 years.
On epc rating, 12 Alwyne Square stands well clear of the street.
Price per m²
£6,765
Street avg £9,856
Floor Area
187 m²
Street avg 157 m²
Habitable Rooms
6 rooms
Rail-style transport is unusually close for this postcode.
Crime
10/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Highbury Grove — bus stop.

Daytime· 07:00 – 23:00
55.7dB

Extension: Single storey · Rear of property
Certificate of lawfulness for single storey rear extension and three roof lights to the rear roof slope.
8 February 2008Most recent
£1,265,000
+5.4%over 8 months15 June 2007
£1,200,000
+61.1%over 2 years26 July 2004
£745,000
+26.7%over 2 years6 August 2001
£588,000
Median price across the last 5 sales in N1 2JX: £1,850,000 (2025–2020).
Street avg 6 rooms
CO₂ Emissions
4.3 t/year
Street avg 4.9 t/year
N1 2AB
Closest school
0.4 km
City of London Academy Highbury Grove. 102 schools nearby.
Night-time· 23:00 – 07:00
46.1dB
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