11b, Blackstock Mews, Islington, London, N4 2BT
About 11b
11b is a three-bedroom mid-terrace house in Islington, London, London (N4 2BT). It has a recorded floor area of 122 m² (around 1313 sq ft), construction records dating it to 1983-1990 and council tax band E. The latest certificate (August 2016) shows a C (score 76), near the top of the C band. Other recorded features include a balcony.
Untraded for 19 years, with the last transfer in April 2007. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. At 122 m² the property is well over the postcode median (76 m² across 13 EPCs), placing it in the larger end of the local stock. 3 bedrooms is on the larger side for this postcode, where 2 is the typical count. Today's modelled estimate of £846,000 sits 88% above the 2007 sale of £450,000. On a £-per-square-foot basis, the last sale (£343/sq ft) was about 24.1% below the postcode norm. 3 planning records sit against the property, 3 approved, 0 refused. Past consents include new windows, meaningful when judging how the property has evolved.
Know exactly what you're buying at 11b
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
What this property has
Inside
- Bedrooms3
- Bathrooms2
- Open-plan layoutYes
Outside
- Private gardenYes
- BalconyYes
Building
- Heating systemGas
Energy performance
EPC Rating
Planning history
- Nov 2022RenovationFullIn report
Replacement of two first floor front windows with glazed doors and associated balustrades.
New Windows- Documents
- 8 docs on file
- Reference
- P2022/3388/FUL
- Jul 2018RenovationFullIn report
Alterations and installation of 2 new front elevation first floor glazed doors, ballustrading and assoiated alterations.
New Windows- Documents
- 7 docs on file
- Reference
- P2018/1727/FUL
We flagged 1 thing worth checking at 11b
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.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
The latest sale landed at the peak of the pre-credit-crunch market — a high-water reference point.
£846,000
Modelled from EPC, postcode comparables.
£450,000
Recorded with HM Land Registry.
Sales timeline
2 April 2007Most recent
£450,000
Median price across the last 5 sales in N4 2BT: £790,000 (2024–2016).
Nearby sales in N4 2BT
11a, Blackstock Mews, Islington, London, N4 2BT
Sold Nov 2024
£427,5005b, Blackstock Mews, Islington, London, N4 2BT
Sold Dec 2021
£860,0005a, Blackstock Mews, Islington, London, N4 2BT
Sold Jul 2020
£790,0007b, Blackstock Mews, Islington, London, N4 2BT
Sold Jul 2019
£935,0001 Blackstock Mews, Islington, London, N4 2BT
Sold Feb 2010
£174,999
Everything we know about 11b, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby

Versus other Blackstock Mews homes
11b outperforms the street on floor area by a wide margin.
EPC Rating
76 (C)
Street avg 72 (C)
Floor Area
122 m²
Street avg 72 m²
CO₂ Emissions
2.8 t/year
Street avg 2.2 t/year
Habitable Rooms
3 rooms
Street avg 2 rooms
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
15/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Monsell Road — bus stop.
Closest school
0.1 km
Ambler Primary School and Children's Centre. 97 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
54.5dB

Night-time· 23:00 – 07:00
44.9dB