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Get started4 Alwyne Square is a five-bedroom mid-terrace house in Islington, London, London (N1 2JX). It has a recorded floor area of 165 m² (around 1776 sq ft), construction records dating it to 1900-1929 and council tax band G. The latest certificate (March 2022) shows a D (score 65), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since March 2012. Between certificates, window efficiency went from Poor to Average and lighting went from Poor to Very Good; while roof efficiency dropped from Average to Very Poor. The recommended improvements would lift it to B (score 81), a 2-band jump.
It hasn't traded since March 2007, a hold of 19 years that's notably long for the area. 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: 10.7% per year against 0% for the wider region. Today's modelled estimate of £2,146,000 sits 125.9% above the 2007 sale of £950,000. 7 planning records sit against the property, 4 approved, 1 refused. Past consents include tree works, an extension, a conservatory and partial demolition, meaningful when judging how the property has evolved. 5 bedrooms is on the larger side for this postcode, where 3 is the typical count.
Recommended upgrades on file would lift this property by multiple EPC bands.
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
T1 - Horse Chestnut - Selectively reduce crown by 1.5-2m by pruning to strong growth points, to retain natural shape and flowing crown outline. Remove epicormic growth from trunk. This tree is growing in close proximity to the road and the houses. A light reduction to the crown extremities is proposed to reduce the loading on the stems, which are considerably taller than the adjacent properties, and has been excessively crown lifted in the past resulting in a top heavy structure. There is possible included bark and internal decay at the low junction of the stems which would appear to be a historic pollard point.
Sale price has at least doubled since 1999.
£2,146,000
Modelled from EPC, postcode comparables and a sale-price growth of 10.7% per year over 7 years.
£950,000
Growth on file: 10.7% per year over 7 years.
On co₂ emissions, 4 Alwyne Square runs well behind the street norm.
Price per m²
£5,758
Street avg £9,982
Floor Area
165 m²
Street avg 159 m²
Habitable Rooms
7 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

Changes detected from historical EPC data
Windows upgraded, improving insulation
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
horse chestnut needs pollarding LBI TPO 312 - 2007
5 more applications for this property
Join to see all planning history.
20 March 2007Most recent
£950,000
+108.8%over 7 years17 December 1999
£455,000
Median price across the last 5 sales in N1 2JX: £1,850,000 (2025–2020).
Street avg 6 rooms
CO₂ Emissions
5.7 t/year
Street avg 4.8 t/year
N1 2PH
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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