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Get started1 Thornbury Square is a four-bedroom end-of-terrace house in Islington, London, London (N6 5YN). It has a recorded floor area of 150 m² (around 1615 sq ft), construction records dating it to 1976-1982 and council tax band G. The latest certificate (October 2011) shows a D (score 63), on the cusp of jumping into the C band. The recommended improvements would push it to C (score 72). The latest certificate is from October 2011, so improvements made since then won't be reflected.
Sale prices here have outpaced London HPI: 6.3% per year against 0% for the wider region. Today's modelled estimate of £1,559,000 sits 55.9% above the 2012 sale of £1,000,000. On a £-per-square-foot basis, the last sale (£619/sq ft) was about 34.7% above the typical sold price in the postcode. 5 planning records sit against the property, 4 approved, 0 refused. Past consents include tree works, meaningful when judging how the property has evolved. It lags the bulk of the postcode on energy efficiency (less efficient than 75% of similar EPCs). On the market in February 2012 and unlisted since — roughly 14 years.
1 Thornbury Square's carbon output runs well above what efficient homes in the postcode produce.
This certificate is over 10 years old and is no longer valid.Expired 10 Oct 2021
Planning history at 1 Thornbury Square is exclusively tree-management applications — typical for a property with mature trees on or near the plot.
Thornbury Square (next to vehicle entrance) (TPO ref: TPO 63/1985) (T1) Leyland Cypress (TPO T3) - Reduce the crown overall by up to 1.5 metres and shape. (T2) Deodar Cedar T2 (TPO T5) - Reduce carefully on building side by reducing overhanging branches (2) back to a lateral and to give 2 metres clearance.
1 Thornbury Square valuation sits well clear of the typical sold price in this postcode.
£1,559,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.3% per year over 11 years.
£1,000,000
Growth on file: 6.3% per year over 11 years.
Years Held for 1 Thornbury Square runs comfortably ahead of the street norm.
Price per m²
£6,667
Street avg £7,954
Floor Area
150 m²
Street avg 144 m²
Habitable Rooms
7 rooms
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.

Daytime· 07:00 – 23:00
53.8dB

T8 Lime- 8 metres-Crown to previous reduction points whilst leaving furnishing growth on all aspects. T9 Lime- 16 metres- Crown to previous reduction points whilst leaving furnishing growth on all aspects.previous reduction points. T10 Lime- 16 metres- Crown to previous reduction points whilst leaving furnishing growth on all aspects.
3 more applications for this property
Join to see all planning history.
1 February 2012Most recent
£1,000,000
+77.3%over 8 years17 September 2003
£564,000
+7.4%over 2 years24 July 2001
£525,000
Median price across the last 5 sales in N6 5YN: £1,075,000 (2022–2009).
Street avg 6 rooms
CO₂ Emissions
6.3 t/year
Street avg 4.6 t/year
N6 5RU
Closest school
0.1 km
St Aloysius' College. 65 schools nearby.
Night-time· 23:00 – 07:00
44.1dB
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