The Triangle, Flat 50, Compton Street, Islington, London, EC1V 0AG
About The Triangle
The Triangle is a mid-terrace house in Islington, London, London (EC1V 0AG). It has a recorded floor area of 46 m² (around 495 sq ft), construction records dating it to 1950-1966 and council tax band C. At 46 m² this is the 4th smallest of 34 units on EPC record in The Triangle, where floor areas span 43–82 m². The building's EPC ratings span E to B across 34 units on file. The latest certificate (October 2014) shows a C (score 80), near the top of the C band. The recommended improvements would push it to B (score 82). The latest certificate is from October 2014, so improvements made since then won't be reflected.
At 46 m² it sits well below the postcode median (67 m² across 33 EPCs), making it one of the more compact homes locally. Across 1999–2022, sale prices on this property compounded at 7.1% per year. On a £-per-square-foot basis, the last sale (£808/sq ft) was about 97.9% above the typical sold price in the postcode. Last sale on file: £400,000 in September 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at The Triangle
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 Triangle's carbon output is low for the local stock.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 18 Oct 2024
EPC Rating
Planning history
The Triangle has no planning applications on record.
The full report still covers planning activity across the surrounding area.
Sales history & valuation
Price for The Triangle has grown more than fourfold since the 1999 starting point.
£416,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.1% per year over 23 years.
£400,000
Growth on file: 7.1% per year over 23 years.
Sales timeline
11 September 2022Most recent
£400,000
+12.7%over 1 year21 June 2021
£355,000
+332.9%over 21 years7 July 1999
£82,000
Median price across the last 5 sales in EC1V 0AG: £495,000 (2025–2017).
Nearby sales in EC1V 0AG
The Triangle, Flat 82, Compton Street, Islington, London, EC1V 0AG
Sold Mar 2025
£495,000The Triangle, Flat 68, Compton Street, Islington, London, EC1V 0AG
Sold Mar 2025
£350,000The Triangle, Flat 85, Compton Street, Islington, London, EC1V 0AG
Sold Feb 2024
£605,000The Triangle, Flat 88, Compton Street, Islington, London, EC1V 0AG
Sold Aug 2023
£460,000The Triangle, Flat 77, Compton Street, Islington, London, EC1V 0AG
Sold Dec 2017
£575,000
Everything we know about The Triangle, 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 Compton Street homes
The Triangle outperforms the street on price per m² by a wide margin.
Price per m²
£8,696
Street avg £6,418
Floor Area
46 m²
Street avg 60 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
1.0 t/year
Street avg 1.9 t/year
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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
0.1 km
Pear Tree Street — bus stop.
Closest school
0.1 km
St Peter and St Paul Catholic Primary School. 94 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
59.9dB

Night-time· 23:00 – 07:00
50.8dB