424a, Flat 2, St John Street, London, EC1V 4NJ
About 424a
424a is a mid-terrace house in London (EC1V 4NJ). It has a recorded floor area of 79 m² (around 850 sq ft) and construction records dating it to before 1900. At 79 m² this is the 2nd smallest of 3 units on EPC record in 424a, where floor areas span 52–94 m². The building's EPC ratings span D to C, with this unit at the top. On EPC score it ranks first in the building (77 versus a worst of 55). The latest certificate (December 2025) shows a C (score 77), near the top of the C band. The rating has held steady at C across 2 certificates since June 2013. Between certificates, lighting went from Very Poor to Average; while wall efficiency dropped from Very Good to Average and window efficiency dropped from Good to Average. This certificate was lodged in the last six months, so the rating reflects current condition.
At 79 m² it's 16% smaller than the typical home in the postcode (94 m² median across 11 EPCs).
Know exactly what you're buying at 424a
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
424a's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
Planning history
424a has no planning applications on record.
The full report still covers planning activity across the surrounding area.
Sales history & valuation
424a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£713,000
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.
Median price across the last 5 sales in EC1V 4NJ: £30,000 (2023–2016).
Everything we know about 424a, 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
424a outperforms the street on epc rating by a wide margin.
EPC Rating
77 (C)
Street avg 66 (D)
Floor Area
79 m²
Street avg 77 m²
CO₂ Emissions
1.4 t/year
Street avg 3.4 t/year
Habitable Rooms
3 rooms
Street avg 4 rooms
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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
St John Street / Goswell Road — bus stop.
Closest school
0.3 km
St John Evangelist Catholic Primary School. 85 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
59.0dB
Night-time· 23:00 – 07:00
49.3dB