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Get started8 Keystone Crescent is a four-bedroom mid-terrace house in Islington, London, London (N1 9DS). It has a recorded floor area of 125 m² (around 1345 sq ft), construction records dating it to before 1900 and council tax band G. The latest certificate (June 2018) shows a D (score 64), on the cusp of jumping into the C band. When first surveyed in July 2017 the rating was F, the property has climbed 2 bands since. Between certificates, roof efficiency went from Very Poor to Good, hot-water efficiency went from Average to Good and lighting went from Poor to Very Good. The recommended improvements would lift it to B (score 86), a 2-band jump.
At 125 m² the property is well over the postcode median (89 m² across 21 EPCs), placing it in the larger end of the local stock. 9 planning records sit against the property, 5 approved, 2 refused. Past consents include an extension, meaningful when judging how the property has evolved. The record references listed-building consent, which constrain future alterations. Today's modelled estimate of £1,442,000 is 31.1% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£818/sq ft) was about 25.6% above the typical sold price in the postcode. Last changed hands 9 years ago, in October 2017.
Recommended upgrades on file would lift this property by multiple EPC bands.
8 Keystone Crescent has 4 separate extension applications on the council record.
Extension: Single storey · Rear of property
Retrospective application for the erection of a single storey rear extension and associated works to the rear garden.
8 Keystone Crescent valuation sits well clear of the typical sold price in this postcode.
£1,442,000
Modelled from EPC, postcode comparables.
£1,100,000
Recorded with HM Land Registry.
Floor Area for 8 Keystone Crescent runs comfortably ahead of the street norm.
Price per m²
£8,800
Street avg £8,584
Floor Area
125 m²
Street avg 96 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
King's Cross /Pentonville Road — bus stop.

Daytime· 07:00 – 23:00
60.4dB

Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system upgraded
Single glazing replaced with double or better glazing
Roof insulation improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Extension: Single storey · Rear of property
Retrospective application for the erection of a single storey rear extension and associated works to the rear garden.
7 more applications for this property
Join to see all planning history.
6 October 2017Most recent
£1,100,000
Median price across the last 5 sales in N1 9DS: £850,000 (2025–2021).
Street avg 5 rooms
CO₂ Emissions
4.7 t/year
Street avg 5.2 t/year
Closest school
0.2 km
Winton Primary School. 74 schools nearby.
Night-time· 23:00 – 07:00
51.8dB
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