350 St John Street, Islington, London, EC1V 4NR
About 350 St John Street
350 St John Street is a one-bedroom end-of-terrace house in Islington, London, London (EC1V 4NR). It has a recorded floor area of 60 m² (around 646 sq ft), construction records dating it to 1976-1982 and council tax band D. At 60 m² this is the 2nd smallest of 4 units on EPC record in the building, where floor areas span 59–91 m². The building's EPC ratings span D to C, with this unit at the bottom. The latest certificate (September 2019) shows a D (score 65), on the cusp of jumping into the C band. Earlier certificates rated it C (September 2009); the latest reading is one band lower. Between certificates, lighting went from Very Poor to Average; while wall efficiency dropped from Good to Average. The recommended improvements would push it to C (score 75).
Held since August 2001 — that's 25 years off the open market, well above the local norm. Today's modelled estimate of £545,000 sits 142.2% above the 2001 sale of £225,000. On a £-per-square-foot basis, the last sale (£348/sq ft) was about 25.7% above the typical sold price in the postcode. At 60 m² it sits well below the postcode median (87 m² across 6 EPCs), making it one of the more compact homes locally.
Know exactly what you're buying at 350 St John Street
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms1
Outside
- Private gardenYes
Building
- RefurbishedYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
More low energy lighting installed
Planning history
350 St John Street has no planning applications on record.
The full report still covers planning activity across the surrounding area.
Sales history & valuation
350 St John Street valuation sits well clear of the typical sold price in this postcode.
£545,000
Modelled from EPC, postcode comparables.
£225,000
Recorded with HM Land Registry.
Sales timeline
16 August 2001Most recent
£225,000
Median price across the last 5 sales in EC1V 4NR: £250,000 (2022–2000).
Everything we know about 350 St John Street, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
- Am I paying too much?
- Is something wrong with it?
- Is the agent's story true?
- Will it hold its value?
Versus other St John Street homes
350 St John Street is notably below the street on habitable rooms.
Price per m²
£3,750
Street avg £2,545
Floor Area
60 m²
Street avg 83 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
2.4 t/year
Street avg 3.7 t/year
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178 180, Flat 1, St John Street, Islington
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The neighbourhood at a glance
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
Rosebery Avenue /Sadlers Wells — bus stop.
Closest school
0.2 km
Hugh Myddelton Primary School. 87 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode
Daytime· 07:00 – 23:00
59.6dB
Night-time· 23:00 – 07:00
50.1dB