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Get startedMountfort House is a three-bedroom property in Islington, London, London (N1 1JL). It has a recorded floor area of 198 m² (around 2131 sq ft) and construction records dating it to before 1900. The latest certificate (June 2011) shows an E (score 41), well below the UK norm with real room to improve. The recommended improvements would push it to D (score 56). The latest certificate is from June 2011, so improvements made since then won't be reflected.
7 planning records sit against the property, 5 approved, 0 refused, 2 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 listed-building consent and conservation-area consent, which constrain future alterations. At 198 m² the property is well over the postcode median (88 m² across 30 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 83% of similar EPCs). Today's modelled estimate of £2,332,000 sits 52.9% above the 2012 sale of £1,525,000. On a £-per-square-foot basis, the last sale (£716/sq ft) was about 28% below the postcode norm. Last changed hands 14 years ago, in March 2012.
Mountfort House's carbon output runs well above what efficient homes in the postcode produce.
This certificate is over 10 years old and is no longer valid.Expired 09 Jun 2021
Mountfort House has multiple listed-building consents on file — alterations need formal heritage approval.
Repairs to front door surround and balustrade; new stone over-cladding to existing entrance steps.
Mountfort House valuation sits well clear of the typical sold price in this postcode.
£2,332,000
Modelled from EPC, postcode comparables.
£1,525,000
Recorded with HM Land Registry.
Years Held for Mountfort House runs comfortably ahead of the street norm.
Price per m²
£7,702
Street avg £13,044
Floor Area
198 m²
Street avg 99 m²
Habitable Rooms
6 rooms
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

1 x Magnolia tree (T1) in the front garden: To reduce crown by 1.5 metres on all aspects, and remove branch on the left.
5 more applications for this property
Join to see all planning history.
30 March 2012Most recent
£1,525,000
Median price across the last 5 sales in N1 1JL: £1,650,000 (2025–2024).
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Street avg 3 rooms
CO₂ Emissions
13.0 t/year
Street avg 2.7 t/year
N1 1DH
Closest school
0.1 km
Thornhill Primary School. 98 schools nearby.
Night-time· 23:00 – 07:00
44.4dB
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