Paramount Building 206 212, Flat 12, St John Street, Islington, London, EC1V 4JY
About Paramount Building 206 212
Paramount Building 206 212 is a mid-terrace house in Islington, London, London (EC1V 4JY). It has a recorded floor area of 110 m² (around 1184 sq ft), construction records dating it to 1996-2002 and council tax band G. The latest certificate (January 2026) shows a C (score 71). The rating has held steady at C across 26 certificates since October 2008. Between certificates, hot-water efficiency went from Average to Good, lighting went from Very Poor to Good and main heating went from Average to Good; while window efficiency dropped from Average to Poor. This certificate was lodged in the last six months, so the rating reflects current condition. At 110 m² this is the 10th smallest of 24 units on EPC record in Paramount Building 206 212, where floor areas span 77–198 m². The building's EPC ratings span F to B across 24 units on file.
Across 1999–2019, sale prices on this property compounded at 6.1% per year. Today's modelled estimate of £1,351,000 sits 50.1% above the 2019 sale of £900,000. On a £-per-square-foot basis, the last sale (£760/sq ft) was about 119.8% above the typical sold price in the postcode. Last sale on file: £900,000 in March 2019. Across the public record there are 5 sales, relatively high churn for a single property. At 110 m² it's 16.4% smaller than the typical home in the postcode (132 m² median across 51 EPCs).
Know exactly what you're buying at Paramount Building 206 212
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
The EPC has just been inspected, so the rating reflects current condition.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water system changed
Window efficiency improved
Heating controls changed
Hot water system upgraded
Cavity wall insulation installed
Heating controls upgraded for better temperature management
Hot water efficiency improved
Hot water efficiency improved
Wall insulation upgraded
Heating controls changed
Heating controls changed
Hot water efficiency decreased
Wall insulation upgraded
Heating controls upgraded for better temperature management
Hot water system changed
Heating controls upgraded for better temperature management
Wall insulation upgraded
Heating controls changed
Hot water system upgraded
Heating controls changed
Window efficiency improved
Heating controls upgraded for better temperature management
More low energy lighting installed
Low energy lighting percentage decreased
Window efficiency improved
Wall insulation upgraded
More low energy lighting installed
Changed to a more efficient fuel source
Hot water efficiency decreased
Low energy lighting percentage decreased
Hot water system changed
Wall insulation improved
Connected to mains gas supply
Heating controls upgraded for better temperature management
Hot water system upgraded
Wall insulation upgraded
Changed to a more efficient fuel source
Hot water efficiency decreased
More low energy lighting installed
Connected to mains gas supply
Heating controls upgraded for better temperature management
Hot water system changed
Low energy lighting percentage decreased
Changed to a more efficient fuel source
Heating controls changed
Hot water system upgraded
Windows upgraded to triple glazing
More low energy lighting installed
Connected to mains gas supply
Heating controls upgraded for better temperature management
Hot water efficiency improved
Low energy lighting percentage decreased
Heating controls changed
More low energy lighting installed
Planning history
Paramount Building 206 212 has no planning applications on record.
The full report still covers planning activity across the surrounding area.
Sales history & valuation
Paramount Building 206 212 has more than tripled in price since its earliest registered sale in 1999.
£1,351,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.1% per year over 20 years.
£900,000
Growth on file: 6.1% per year over 20 years.
Sales timeline
1 March 2019Most recent
£900,000
+7.8%over 5 years8 November 2013
£835,000
+30.5%over 3 years29 September 2010
£640,000
+21.9%over 1 year21 November 2008
£525,000
+87.5%over 9 years17 June 1999
£280,000
Median price across the last 5 sales in EC1V 4JY: £1,400,000 (2025–2023).
Nearby sales in EC1V 4JY
Flat 4, 198 St John Street, Islington, London, EC1V 4JY
Sold Jul 2025
£1,120,000Flat 3, 198 St John Street, Islington, London, EC1V 4JY
Sold Jun 2024
£1,400,000178 180, Flat 1, St John Street, Islington, London, EC1V 4JY
Sold Jun 2024
£625,000Flat 301, 190 St John Street, Islington, London, EC1V 4JY
Sold Nov 2023
£1,423,000Paramount Building 206 212, Flat 32, St John Street, Islington, London, EC1V 4JY
Sold Jul 2023
£1,700,000
Everything we know about Paramount Building 206 212, 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
Paramount Building 206 212 is notably below the street on epc rating.
Price per m²
£8,182
Street avg £8,203
Floor Area
110 m²
Street avg 127 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
3.1 t/year
Street avg 3.5 t/year
Similar properties nearby
360, Flat 1, St John Street
EC1V 4NR
360, Flat 2, St John Street
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242 244, Flat 7, St John Street, Islington
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360, Flat 3, St John Street
EC1V 4NR
242 244, Flat 4, St John Street, Islington
EC1V 4PG
242 244, Flat 6, St John Street, Islington
EC1V 4PG
242 244, Flat 2, St John Street, Islington
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116 118, Flat 2, St John Street, Islington
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The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
10/mo
Rising year-on-year across the wider district.
Nearest stop
0.0 km
Percival Street — bus stop.
Closest school
0.2 km
St Peter and St Paul Catholic Primary School. 90 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
60.0dB
Night-time· 23:00 – 07:00
51.0dB