426 St John Street, Islington, London, EC1V 4NJ
About 426 St John Street
426 St John Street is a mid-terrace house in Islington, London, London (EC1V 4NJ). It has a recorded floor area of 103 m² (around 1109 sq ft) and construction records dating it to before 1900. The latest certificate (September 2022) shows a D (score 63), on the cusp of jumping into the C band. When first surveyed in September 2010 the rating was F, the property has climbed 2 bands since. Between certificates, window efficiency went from Very Poor to Average and lighting went from Very Poor to Very Good. The recommended improvements would push it to C (score 75).
At 103 m² the property is well over the postcode median (79 m² across 11 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £801,000 sits 2570% above the 2023 sale of £30,000. On a £-per-square-foot basis, the last sale (£27/sq ft) was about 95.9% below the postcode norm. 3 planning records sit against the property, 0 approved, 1 refused. The record references listed-building consent, which constrain future alterations. Most recent transfer: March 2023 at £30,000.
Know exactly what you're buying at 426 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
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Single glazing replaced with double or better glazing
More low energy lighting installed
Planning history
426 St John Street has multiple listed-building consents on file — alterations need formal heritage approval.
- Jul 2017Change Of UseHeritageIn report
Listed Building Consent in connection with Change of Use from A1 (Retail Use) to A3 (Restaurants and Cafes) / A5 (Hot food Take-away Use), erection of external flue to rear elevation and associated internal changes to Listed Building. (Full Planning application Ref: P2017/1887/FUL also submitted).
Listed- Documents
- 4 docs on file
- Reference
- P2017/1922/LBC
- Jul 2017Change Of UseFullIn report
Change of Use from A1 (Retail Use) to A3 (Restaurants and Cafes) / A5 (Hot Food Take-aways Use), erection of external flue to rear elevation and associated internal changes to Listed Building. (Listed Building Consent Ref: P2017/1922/LBC also submitted).
Listed- Documents
- 12 docs on file
- Reference
- P2017/1887/FUL
What's in 426 St John Street, Islington, London, EC1V 4NJ's planning history?
1 more on this property, plus refusals, disputes and full decisions nearby, in the report.
Sales history & valuation
426 St John Street's modelled value sits at over four times its earliest registered sale price (2023).
£801,000
Modelled from EPC, postcode comparables.
£30,000
Recorded with HM Land Registry.
Sales timeline
13 March 2023Most recent
£30,000
Median price across the last 5 sales in EC1V 4NJ: £830,000 (2022–2007).
Everything we know about 426 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
Years Held for 426 St John Street lags the street by a wide margin.
Price per m²
£291
Street avg £3,531
Floor Area
103 m²
Street avg 74 m²
Habitable Rooms
5 rooms
Street avg 3 rooms
CO₂ Emissions
4.1 t/year
Street avg 3.2 t/year
Similar properties nearby
126a, St John Street, Islington
EC1V 4JS
12 Jerusalem Passage, Islington
EC1V 4JP
146b, St John Street, Islington
EC1V 4UA
120 St John Street, Islington
EC1V 4JS
126 St John Street, Islington
EC1V 4JS
13 Jerusalem Passage, Islington
EC1V 4JP
116 118, Flat 2, St John Street, Islington
EC1V 4JW
116 118, Flat 1, St John Street, Islington
EC1V 4JW
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