Grimthorpe House, Flat 91, Percival Street, Islington, London, EC1V 0BR
About Grimthorpe House
Grimthorpe House is a detached house in Islington, London, London (EC1V 0BR). It has a recorded floor area of 50 m² (around 538 sq ft), construction records dating it to 1950-1966 and council tax band C. At 50 m² this is the smallest unit on EPC record across Grimthorpe House (50–124 m²). The building's EPC ratings span E to B across 27 units on file. The latest certificate (August 2025) shows a C (score 75), near the top of the C band. The rating has held steady at C across 2 certificates since January 2010. Between certificates, wall efficiency dropped from Good to Poor and hot-water efficiency dropped from Very Good to Good.
At 50 m² it's 27.5% smaller than the typical home in the postcode (69 m² median across 26 EPCs).
Know exactly what you're buying at Grimthorpe House
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
Grimthorpe House's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
More low energy lighting installed
Planning history
Grimthorpe House has no planning applications on record.
The full report still covers planning activity across the surrounding area.
Sales history & valuation
Grimthorpe House has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£371,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in EC1V 0BR: £550,000 (2023–2021).
Nearby sales in EC1V 0BR
Grimthorpe House, Flat 127, Percival Street, Islington, London, EC1V 0BR
Sold Nov 2023
£550,000Grimthorpe House, Flat 118, Percival Street, Islington, London, EC1V 0BR
Sold Jan 2023
£685,000Grimthorpe House, Flat 126, Percival Street, Islington, London, EC1V 0BR
Sold Apr 2022
£415,000Grimthorpe House, Flat 92, Percival Street, Islington, London, EC1V 0BR
Sold Mar 2022
£435,000Grimthorpe House, Flat 128, Percival Street, Islington, London, EC1V 0BR
Sold Jun 2021
£735,000
Everything we know about Grimthorpe House, 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 Percival Street homes
On floor area, Grimthorpe House runs well behind the street norm.
EPC Rating
75 (C)
Street avg 73 (C)
Floor Area
50 m²
Street avg 73 m²
CO₂ Emissions
1.4 t/year
Street avg 2.3 t/year
Habitable Rooms
2 rooms
Street avg 4 rooms
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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
Percival Street — bus stop.
Closest school
0.1 km
St Peter and St Paul Catholic Primary School. 89 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
60.1dB
Night-time· 23:00 – 07:00
51.2dB