Harold Laski House, Flat 6, Percival Street, Islington, London, EC1V 0HR
About Harold Laski House
Harold Laski House is a three-bedroom mid-terrace house in Islington, London, London (EC1V 0HR). It has a recorded floor area of 73 m² (around 786 sq ft), construction records dating it to 1930-1949 and council tax band D. At 73 m² this is the 12th smallest of 16 units on EPC record in Harold Laski House, where floor areas span 47–95 m². The building's EPC ratings span D to C, with this unit at the top. The latest certificate (September 2022) shows a C (score 76), near the top of the C band. Earlier certificates rated it B (September 2009); the latest reading is one band lower. Between certificates, lighting went from Poor to Very Good; while wall efficiency dropped from Poor to Very Poor and hot-water efficiency dropped from Very Good to Good. The recommended improvements would push it to B (score 83).
Across 2010–2017, sale prices on this property compounded at 11% per year. On a £-per-square-foot basis, the last sale (£856/sq ft) was about 62% above the typical sold price in the postcode. Last sold in January 2017, so it's been off the market for around 9 years.
Know exactly what you're buying at Harold Laski 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
- Bedrooms3
- Bathrooms1
Building
- RefurbishedYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
More low energy lighting installed
Planning history
Harold Laski House has no planning applications on record.
The full report still covers planning activity across the surrounding area.
Sales history & valuation
Latest sale on Harold Laski House was the highest on Land Registry record across the postcode.
£669,000
Modelled from EPC, postcode comparables and a sale-price growth of 11.0% per year over 6 years.
£672,500
Growth on file: 11.0% per year over 6 years.
Sales timeline
13 January 2017Most recent
£672,500
+92.1%over 6 years21 October 2010
£350,000
Median price across the last 5 sales in EC1V 0HR: £567,000 (2022–2009).
Nearby sales in EC1V 0HR
Everything we know about Harold Laski 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
Harold Laski House outperforms the street on epc rating by a wide margin.
Price per m²
£9,212
Street avg £7,591
Floor Area
73 m²
Street avg 68 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
2.2 t/year
Street avg 2.5 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 St. Luke's — bus stop.
Closest school
0.2 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
60.2dB

Night-time· 23:00 – 07:00
51.3dB