394a, Flat 1, St John Street, Islington, London, EC1V 4NA
About 394a
394a is a mid-terrace house in Islington, London, London (EC1V 4NA). It has a recorded floor area of 45 m² (around 484 sq ft) and construction records dating it to before 1900. At 45 m² this is the 2nd smallest of 6 units on EPC record in 394a, where floor areas span 38–63 m². The building's EPC ratings span E to B, with this unit at the bottom. On EPC score it ranks last in the building (39 versus a best of 81). The latest certificate (September 2020) shows an E (score 39), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since March 2010. Between certificates, lighting went from Average to Very Good; while wall efficiency dropped from Good to Very Poor and window efficiency dropped from Good to Poor. The recommended improvements would push it to D (score 65). Main heating runs on electricity.
At 45 m² it's 25% smaller than the typical home in the postcode (60 m² median across 5 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 80% of similar EPCs).
Know exactly what you're buying at 394a
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
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
More low energy lighting installed
Planning history
394a has no planning applications on record.
The full report still covers planning activity across the surrounding area.
Sales history & valuation
394a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£432,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Everything we know about 394a, 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
394a is notably below the street on epc rating.
EPC Rating
39 (E)
Street avg 67 (D)
Floor Area
45 m²
Street avg 54 m²
CO₂ Emissions
4.6 t/year
Street avg 2.8 t/year
Habitable Rooms
1 rooms
Street avg 2 rooms
Similar properties nearby
394a, Flat 3, St John Street, Islington
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116 118, Flat 4, St John Street, Islington
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178 180, Flat 2, St John Street, Islington
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424a, Flat 1, St John Street
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116 118, Flat 6, St John Street, Islington
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242 244, 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
0.1 km
St John Street / Goswell Road — bus stop.
Closest school
0.3 km
Hugh Myddelton Primary School. 83 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
59.3dB

Night-time· 23:00 – 07:00
49.7dB