9 Thornbury Square, Islington, London, N6 5YN
About 9 Thornbury Square
9 Thornbury Square is a four-bedroom property in Islington, London, London (N6 5YN). It has council tax band G. There is a swimming pool on the plot, uncommon for the area.
It hasn't traded since August 2009, a hold of 17 years that's notably long for the area. That sale fell during the post-crash dip, which often skews comparisons against later neighbouring sales. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include tree works, meaningful when judging how the property has evolved. Across 2001–2009, sale prices on this property compounded at 5.3% per year.
What this property has
Inside
- Bedrooms4
- Dining roomYes
- EnsuiteYes
Outside
- Private gardenSouth-facing
- GarageYes
- Swimming poolYes
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
Planning history at 9 Thornbury Square is exclusively tree-management applications — typical for a property with mature trees on or near the plot.
- May 2016Tree WorksTreesIn report
Rear garden: 1 x Lime tree subject to tree preservation order (TPO) - LBI TPO (NO.63) 1985 TPO tree number 63/T28 Crown reduce back to previous points of reduction whilst leaving furnishing growth on all aspects. Crown lift 6 to 7 metres.
- Documents
- 1 doc on file
- Reference
- P2016/1122/TRE
- Feb 2005Tree WorksTreesIn report
Tree works in rear garden: Cypress hedge: Reduce to a height of 3m.
- Reference
- P050211
We flagged 1 thing worth checking at 9 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
30-day money-back guarantee
Sales history & valuation
The latest sale fell during the post-2008 dip, often a low-water mark in price comparisons.
£835,000
Growth on file: 5.3% per year over 8 years.
Sales timeline
25 August 2009Most recent
£835,000
+51.8%over 8 years15 August 2001
£550,000
Median price across the last 5 sales in N6 5YN: £1,075,000 (2022–2011).
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
£1,000,0004 Thornbury Square, Islington, London, N6 5YN
Sold Aug 2011
£1,175,000
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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







