Grimthorpe House, Flat 89, Percival Street, Islington, London, EC1V 0BR
About Grimthorpe House
Grimthorpe House is a one-bedroom mid-terrace house in Islington, London, London (EC1V 0BR). It has a recorded floor area of 80 m² (around 861 sq ft), construction records dating it to 1950-1966 and council tax band D. At 80 m² this is the 18th smallest of 27 units on EPC record in Grimthorpe House, where floor areas span 50–124 m². The building's EPC ratings span E to B across 27 units on file. Other recorded features include a balcony. The latest certificate (March 2025) shows a C (score 74).
Held since May 2004 — that's 22 years off the open market, well above the local norm. Today's modelled estimate of £551,000 sits 137% above the 2004 sale of £232,500. On a £-per-square-foot basis, the last sale (£270/sq ft) was about 53.2% below the postcode norm. At 80 m² it's 21.2% larger than the typical home in the postcode (66 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
What this property has
Inside
- Bedrooms1
Outside
- Private gardenYes
- BalconyYes
Energy performance
EPC Rating
Planning history
Grimthorpe House has no planning applications on record.
The full report still covers planning activity across the surrounding area.
Sales history & valuation
£551,000
Modelled from EPC, postcode comparables.
£232,500
Recorded with HM Land Registry.
Sales timeline
6 May 2004Most recent
£232,500
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
Grimthorpe House is notably below the street on price per m².
Price per m²
£2,906
Street avg £6,615
Floor Area
80 m²
Street avg 72 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
2.2 t/year
Street avg 2.3 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
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