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5 Thornbury Square, Islington, London, N6 5YN

Swimming pool1 planning record
Property type
End terrace
Bedrooms
4
Floor area
163 m²
1755 sq ft
Energy rating
C
Score 75
Council tax
Band G
Tenure
Owner Occupied
Overview

About 5 Thornbury Square

A plain-English summary derived from public records, EPC certificates, sold prices and local data.

5 Thornbury Square is a four-bedroom end-of-terrace house in Islington, London, London (N6 5YN). It has a recorded floor area of 163 m² (around 1755 sq ft), construction records dating it to 1991-1995 and council tax band G. There is a swimming pool on the plot, uncommon for the area. The latest certificate (September 2024) shows a C (score 75), near the top of the C band. When first surveyed in April 2012 the rating was D, the property has climbed 1 band since. Between certificates, lighting went from Very Poor to Very Good. The recommended improvements would push it to B (score 82).

Across 1996–2013, sale prices on this property compounded at 7.5% per year. Today's modelled estimate of £1,741,000 sits 71.9% above the 2013 sale of £1,013,000. On a £-per-square-foot basis, the last sale (£577/sq ft) was about 65.3% above the typical sold price in the postcode. At 163 m² it's 15.2% larger than the typical home in the postcode (142 m² median across 4 EPCs). On the market in July 2013 and unlisted since — roughly 13 years. One historical planning record sits against the property in 2026.

Specifications

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

  • Bedrooms4
  • Dining roomYes
  • EnsuiteYes

Outside

  • ParkingAllocated
  • Swimming poolYes
Before you decide

Everything you need to know about 5 Thornbury Square

The true value, the hidden risks and the full sale history, in one report.

Larger development activity nearby
£14.99one-off

30-day money-back guarantee

Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
Current Certificate(1 of 2)
Sept 2024

EPC Rating

A
B
C
C75
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
4.2 t/year
Occupancy
Owner Occupied

Property Improvements

Changes detected from historical EPC data

Sept 2024from Apr 2012
EPC improved fromD63toC75
Heating Controls
Prog + StatFull

Heating controls upgraded for better temperature management

Windows
Mostly DoubleFull Double

Windows upgraded, improving insulation

Low Energy Lighting
0%100%

More low energy lighting installed

Planning

Planning history

Applications and permits filed against 5 Thornbury Square, Islington, London, N6 5YN, sourced from the PlanIt planning register.

Planning history includes recorded demolition works, indicating a major rebuild phase at this address.

  1. Jan 2026
    DemolitionFull
    In report

    Demolition of existing conservatory and replacement extension.

    Extension
    Documents
    11 docs on file
    Reference
    P2026/0069/FUL
    View planning record
Before you offer

We flagged 1 thing worth checking at 5 Thornbury Square

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
£14.99

30-day money-back guarantee

Price

Sales history & valuation

Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.

5 Thornbury Square has more than tripled in price since its earliest registered sale in 1996.

Current estimate

£1,741,000

Modelled from EPC, postcode comparables and a sale-price growth of 7.5% per year over 17 years.

See how we calculated this
Last sold (2013)

£1,013,000

Growth on file: 7.5% per year over 17 years.

Sales timeline

  1. 23 July 2013Most recent

    £1,013,000

    +245.7%over 17 years
  2. 16 May 1996

    £293,000

Median price across the last 5 sales in N6 5YN: £1,075,000 (2022–2009).

On the street

Versus other Thornbury Square homes

Four headline reads against 4 similar houses on this street, drawn from the latest EPC and Land Registry data.

Price per m² for 5 Thornbury Square lags the street by a wide margin.

Price per m²

£6,215

Street avg £8,105

Strongly below

Floor Area

163 m²

Street avg 141 m²

Strongly above

Habitable Rooms

5 rooms

Street avg 6 rooms

Strongly below

CO₂ Emissions

4.2 t/year

Street avg 5.1 t/year

Above
Before you decide

Everything you need to know about 5 Thornbury Square

The true value, the hidden risks and the full sale history, in one report.

Larger development activity nearby
£14.99one-off

30-day money-back guarantee

Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
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

7/mo

Rising year-on-year across the wider district.

Nearest stop

0.1 km

Cromwell Avenue (N6) — bus stop.

Closest school

0.1 km

St Aloysius' College. 65 schools nearby.

Go deeper on the local area

The full report breaks down crime, transport links, schools and air quality in depth.

Noise

Road noise across the postcode

Modelled day and night-time noise levels around N6 5YN from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime road noise heatmap for N6 5YN

Daytime· 07:00 – 23:00

53.8dB

Low
Night-time road noise heatmap for N6 5YN

Night-time· 23:00 – 07:00

44.1dB

Low
55 dB
60 dB
65 dB
70 dB
75 dB
80 dB
Defra Road Noise Strategic Mapping, Round 4
FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 5 Thornbury Square, Islington, London, N6 5YN. Each answer is also embedded as structured data for search engines.