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Get startedMountfort House is a mid-terrace house in Islington, London, London (N1 1JL). It has a recorded floor area of 74 m² (around 797 sq ft) and construction records dating it to 1930-1949. At 74 m² this is the 2nd smallest of 5 units on EPC record in Mountfort House, where floor areas span 73–198 m². The building's EPC ratings span E to C, with this unit at the top. On EPC score it ranks first in the building (78 versus a worst of 41). The latest certificate (January 2019) shows a C (score 78), near the top of the C band. The recommended improvements would push it to B (score 84).
4 planning records sit against the property, 3 approved, 0 refused, 1 pending. Past consents include tree works, meaningful when judging how the property has evolved. An active application for tree works is awaiting a decision. The record references conservation-area consent, which constrain future alterations. At 74 m² it's 21.7% smaller than the typical home in the postcode (95 m² median across 30 EPCs).
Mountfort House sits within a conservation area — exterior works face additional planning controls.
Front Garden: 1 x Magnolia tree - Reduce in over long branches up to 1 metre back into crown line. Lift to 2.5 metres over footpath. 1 x Liquidambar tree - Fell and replace with a size 14/16cm girth broadleaf tree (at 1m) to be planted anywhere within the front garden that allows the tree to flourish
Mountfort House has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£761,000
Modelled from EPC, postcode comparables.
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.
EPC Rating
78 (C)
Street avg 70 (C)
Floor Area
74 m²
Street avg 104 m²
CO₂ Emissions
1.6 t/year
Street avg 3.1 t/year
Rail-style transport is unusually close for this postcode.
Crime
10/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
The Hemingford Arms — bus stop.

Daytime· 07:00 – 23:00
55.0dB

2 more applications for this property
Join to see all planning history.
Median price across the last 5 sales in N1 1JL: £1,650,000 (2025–2024).
Apartment 6 3 Barnsbury Square Islington London
Sold Oct 2025
Apartment 7 3 Barnsbury Square Islington London
Sold Mar 2025
4 Barnsbury Square Islington London
Sold Sept 2024
Apartment 5 3 Barnsbury Square Islington London
Sold Sept 2024
Apartment 8 16 Barnsbury Square Islington London
Sold Jun 2024
Habitable Rooms
3 rooms
Street avg 3 rooms
N1 1DH
Closest school
0.1 km
Thornhill Primary School. 98 schools nearby.
Night-time· 23:00 – 07:00
44.4dB