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4 planning records
About 4 Barnsbury Square
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
4 Barnsbury Square is a mid-terrace house in Islington, London, London (N1 1JL). It has a recorded floor area of 75 m² (around 807 sq ft), construction records dating it to 1930-1949 and council tax band E. At 75 m² this is the 13th smallest of 31 units on EPC record in the building, where floor areas span 27–254 m². The building's EPC ratings span F to B across 31 units on file. The latest certificate (May 2020) shows a C (score 79), near the top of the C band. The recommended improvements would push it to B (score 82).
Today's modelled estimate of £826,000 is 60.7% below the 2024 sale of £2,100,000, a rare downward gap that often correlates with deferred maintenance or unfinished works. On a £-per-square-foot basis, the last sale (£2,601/sq ft) was about 162% above the typical sold price in the postcode. 4 planning records sit against the property, 4 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. At 75 m² it's 20.6% smaller than the typical home in the postcode (95 m² median across 30 EPCs). Last sale on file: £2,100,000 in September 2024.
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
4 Barnsbury Square's carbon output is low for the local stock.
EPC Rating
A
B
C
C79
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
1.5 t/year
Occupancy
Owner Occupied
Planning history
Applications and permits filed against 4 Barnsbury Square, Islington, London, N1 1JL, sourced from the PlanIt planning register.
4 Barnsbury Square has been through 4 approved planning applications — a well-evolved property.
- Jul 2025ExtensionConditionsApprove with conditions
Section 73 (minor material amendment) application to vary condition 2 (drawings) and condition 5 (new facing brickwork) of planning permission ref: P2024/2223/FUL dated 19/05/2025 for 'Erection of a mansard roof extension, amalgamation of two flats to a single-family dwelling with associated creation of a single entrance with related new timber door and alterations to the two-storey rear extension comprising of fenestration alterations, construction of new parapet walls, installation of 2 no. Air Source Heat Pumps and creation of a green roof ' The amendment seeks to change the brick coursing on the rear facade.
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
Current estimate
See how we calculated this£826,000
Modelled from EPC, postcode comparables.
Last sold (2024)
£2,100,000
Recorded with HM Land Registry.
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.
Price per m² for 4 Barnsbury Square runs comfortably ahead of the street norm.
Price per m²
£28,000
Street avg £11,850
Floor Area
75 m²
Street avg 104 m²
Habitable Rooms
4 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 4 Barnsbury Square, Islington, London, N1 1JL. Each answer is also embedded as structured data for search engines.