The Triangle, Flat 68, Compton Street, Islington, London, EC1V 0AG
About The Triangle
The Triangle is a one-bedroom semi-detached 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 1976-1982 and council tax band C. The latest certificate (September 2020) shows a C (score 77), near the top of the C band. The rating has held steady at C across 2 certificates since June 2009. Between certificates, wall efficiency went from Very Poor to Average; while window efficiency dropped from Good to Average and hot-water efficiency dropped from Very Good to Good. The recommended improvements would push it to B (score 81). 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.
Most recent transfer was March 2025 at £350,000 — fresh data. At 46 m² it sits well below the postcode median (67 m² across 33 EPCs), making it one of the more compact homes locally. On a £-per-square-foot basis, the last sale (£707/sq ft) was about 73.1% above the typical sold price in the postcode.
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
What this property has
Inside
- Bedrooms1
- Bathrooms1
Energy performance
The Triangle's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Hot water efficiency decreased
Wall insulation upgraded
Planning history
The Triangle has no planning applications on record.
The full report still covers planning activity across the surrounding area.
Sales history & valuation
The Triangle valuation sits well clear of the typical sold price in this postcode.
£379,000
Modelled from EPC, postcode comparables.
£350,000
Recorded with HM Land Registry.
Sales timeline
25 March 2025Most recent
£350,000
Median price across the last 5 sales in EC1V 0AG: £460,000 (2025–2021).
Nearby sales in EC1V 0AG
The Triangle, Flat 82, Compton Street, Islington, London, EC1V 0AG
Sold Mar 2025
£495,000The 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
£400,000The 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 co₂ emissions by a wide margin.
Price per m²
£7,609
Street avg £6,553
Floor Area
46 m²
Street avg 60 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
1.3 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