4 Thornbury Square, Islington, London, N6 5YN
About 4 Thornbury Square
4 Thornbury Square is a property in Islington, London, London (N6 5YN). It has council tax band G.
15 years since the last transfer (August 2011). Across the public record there are 4 sales, relatively high churn for a single property. 4 planning records sit against the property, 3 approved, 0 refused. Past consents include tree works and an extension, meaningful when judging how the property has evolved. Across 1996–2011, sale prices on this property compounded at 9.4% per year.
Energy performance
No EPC on record
This property doesn't have an Energy Performance Certificate yet. An EPC is required to sell or let — and unlocks our automated valuation.
Planning history
4 Thornbury Square has an approved single-storey rear extension on the planning record.
- Dec 2024Tree WorksTreesIn report
2 Mature Lime trees, reduce lateral and vertical growth by 2-3 M approx back to most recent previous pruning points, leaving no furnishings to lessen weight bearing load and as an ongoing maintenance
- Documents
- 4 docs on file
- Reference
- P2024/3650/TRE
- Feb 2019Tree WorksTreesIn report
TPO ref T13+T14 of TPO 63/1985 (numbers in brackets refers to trees as shown on the TPO schedule, T13 is located north of T14). T1+T2 (T13+T14) 2 x Limes - Crown reduce to previous points, approx. 3m and crown thin by 25%, lift to 5m and deadwood
- Documents
- 4 docs on file
- Reference
- P2019/0071/TRE
We flagged 1 thing worth checking at 4 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
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Sales history & valuation
Sale price has grown by over 3x since 1996.
£1,175,000
Growth on file: 9.4% per year over 15 years.
Sales timeline
21 August 2011Most recent
£1,175,000
+63.2%over 2 years29 October 2008
£720,000
+37.1%over 7 years13 December 2000
£525,000
+66.7%over 3 years18 December 1996
£315,000
Median price across the last 5 sales in N6 5YN: £1,013,000 (2022–2009).
Nearby sales in N6 5YN
11 Thornbury Square, Islington, London, N6 5YN
Sold Sept 2022
£1,350,0007 Thornbury Square, Islington, London, N6 5YN
Sold Oct 2017
£1,075,0005 Thornbury Square, Islington, London, N6 5YN
Sold Jul 2013
£1,013,0001 Thornbury Square, Islington, London, N6 5YN
Sold Feb 2012
£1,000,0009 Thornbury Square, Islington, London, N6 5YN
Sold Aug 2009
£835,000
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The neighbourhood at a glance
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.
Road noise across the postcode

Daytime· 07:00 – 23:00
53.8dB

Night-time· 23:00 – 07:00
44.1dB







