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Get startedMountfort House, Flat 1, 15 Barnsbury Square, Islington, London, N1 1JL
Listed building
About Mountfort House
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
Mountfort House is a two-bedroom property in Islington, London, London (N1 1JL). It has a recorded floor area of 166 m² (around 1781 sq ft) and construction records dating it to before 1900. Tenure is freehold. It is a listed building, which means external alterations are tightly controlled but it may qualify for heritage tax reliefs. Other recorded features include a basement. At 166 m² this is the 4th 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 across 5 units on file. The latest certificate (May 2011) shows a D (score 57), a step below the typical UK home. The latest certificate is from May 2011, so improvements made since then won't be reflected.
6 planning records sit against the property, 5 approved, 0 refused, 1 pending. Past consents include new windows and 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. Sale prices here have outpaced London HPI: 9.6% per year against 0% for the wider region. Today's modelled estimate of £2,048,000 is 33.4% above the 2016 sale price. At 166 m² the property is well over the postcode median (88 m² across 30 EPCs), placing it in the larger end of the local stock. Last sold in June 2016, so it's been off the market for around 10 years.
What this property has
Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.
Inside
- Bedrooms2
- Open-plan layoutYes
- BasementYes
Building
- Tenure
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
Mountfort House's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 13 May 2021
Planning history
Applications and permits filed against Mountfort House, Flat 1, 15 Barnsbury Square, Islington, London, N1 1JL, sourced from the PlanIt planning register.
Mountfort House has a listed-building consent on record — alterations to a listed property are tightly controlled.
- Nov 2017RenovationFullApprove with conditions
Installation of new timber framed double glazed window at lower ground frount elevation to replace existing non-original window and installation of new air vent lower ground front elevation together with internal modifications to the listed building including new infill walls, fixtures and fittings.Listed building consent reference P2017/3823/LBC also submitted.
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
Mountfort House has more than quadrupled in price since its earliest registered sale in 1995.
Current estimate
See how we calculated this£2,048,000
Modelled from EPC, postcode comparables and a sale-price growth of 9.6% per year over 21 years.
Last sold (2016)
£1,535,000
Growth on file: 9.6% per year over 21 years.
Sales timeline
Versus other Barnsbury Square homes
Four headline reads against 26 similar flats on this street, drawn from the latest EPC and Land Registry data.
Mountfort House is notably below the street on co₂ emissions.
Price per m²
£9,275
Street avg £12,951
Floor Area
166 m²
Street avg 100 m²
Habitable Rooms
3 rooms
Similar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
The neighbourhood at a glance
A condensed read of the local area. Each tile links through to the full breakdown on the London district page.
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.
Road noise across the postcode
Modelled day and night-time noise levels around N1 1JL from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
55.0dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 128 points of interest in total.
Beautiful places to visit nearby
Curated scenic spots within reach of this postcode, served by Beautifulplaces.ai. Photography and tagging come from their open dataset.
Common questions
The questions buyers, sellers and homeowners most often ask about Mountfort House, Flat 1, 15 Barnsbury Square, Islington, London, N1 1JL. Each answer is also embedded as structured data for search engines.