21b, Hertslet Road, Islington, London, N7 6PJ
About 21b
21b is a mid-terrace house in Islington, London, London (N7 6PJ). It has a recorded floor area of 31 m² (around 334 sq ft) and construction records dating it to 1930-1949. At 31 m² this is the smallest unit on EPC record across the building (31–156 m²). The building's EPC ratings span F to C, with this unit at the top. The latest certificate (October 2018) shows a C (score 70).
At 31 m² it's 24.4% smaller than the typical home in the postcode (41 m² median across 16 EPCs).
Know exactly what you're buying at 21b
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
21b's carbon output is low for the local stock.
EPC Rating
Planning history
21b has no planning applications on record.
Notable planning nearby
8applications of note in the surrounding area
We flagged 2 things worth checking at 21b
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Signs of HMO activity in the area
- Larger development activity nearby
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Sales history & valuation
21b has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£333,000
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 N7 6PJ: £700,000 (2025–2013).
Nearby sales in N7 6PJ
11 Hertslet Road, Islington, London, N7 6PJ
Sold Jun 2025
£935,0001 Hertslet Road, Islington, London, N7 6PJ
Sold Jan 2024
£960,000Ground Floor Flat, 3 Hertslet Road, London, N7 6PJ
Sold Oct 2022
£700,00013 Hertslet Road, Islington, London, N7 6PJ
Sold Dec 2013
£645,00015 Hertslet Road, Islington, London, N7 6PJ
Sold Oct 2013
£653,000
Everything we know about 21b, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Signs of HMO activity in the area
- Larger development activity nearby
Versus other Hertslet Road homes
On epc rating, 21b stands well clear of the street.
EPC Rating
70 (C)
Street avg 66 (D)
Floor Area
31 m²
Street avg 37 m²
CO₂ Emissions
1.4 t/year
Street avg 1.8 t/year
Habitable Rooms
2 rooms
Street avg 2 rooms
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
12/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Seven Sisters Road / Nags Head — bus stop.
Closest school
0.2 km
Grafton Primary School. 90 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
58.8dB
Night-time· 23:00 – 07:00
50.6dB