The Triangle, Flat 49, Compton Street, Islington, London, EC1V 0AG
About The Triangle
The Triangle is a property in Islington, London, London (EC1V 0AG). It has a recorded floor area of 71 m² (around 764 sq ft), construction records dating it to 1950-1966 and council tax band D. At 71 m² this is the 24th 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 (November 2025) shows a C (score 80), near the top of the C band. The recommended improvements would push it to B (score 84). This certificate was lodged in the last six months, so the rating reflects current condition.
Held since November 2004 — that's 22 years off the open market, well above the local norm. Across 1999–2004, sale prices on this property compounded at 18.5% per year. Today's modelled estimate of £509,000 sits 121.3% above the 2004 sale of £230,000. On a £-per-square-foot basis, the last sale (£301/sq ft) was about 42.6% below the postcode norm.
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 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
Sale price has at least doubled since 1999.
£509,000
Modelled from EPC, postcode comparables and a sale-price growth of 18.5% per year over 5 years.
£230,000
Growth on file: 18.5% per year over 5 years.
Sales timeline
12 November 2004Most recent
£230,000
+144.7%over 5 years5 August 1999
£94,000
Median price across the last 5 sales in EC1V 0AG: £460,000 (2025–2022).
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 50, Compton Street, Islington, London, EC1V 0AG
Sold Sept 2022
£400,000
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
On price per m², The Triangle runs well behind the street norm.
Price per m²
£3,239
Street avg £7,100
Floor Area
71 m²
Street avg 60 m²
Habitable Rooms
4 rooms
Street avg 3 rooms
CO₂ Emissions
1.2 t/year
Street avg 1.9 t/year
Similar properties nearby
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46 47, Flat 4, Great Sutton Street, Islington
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46 47, Flat 8, Great Sutton Street, Islington
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30e, Flat 3, Great Sutton Street
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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