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Get started21 Tilney Gardens is a three-bedroom mid-terrace house in Islington, London, London (N1 3QF). It has a recorded floor area of 100 m² (around 1076 sq ft), construction records dating it to 1976-1982 and council tax band D. Tenure is freehold. The latest certificate (March 2021) shows a C (score 72). The rating has held steady at C across 2 certificates since January 2011. Between certificates, window efficiency went from Very Poor to Average and lighting went from Average to Very Good; while wall efficiency dropped from Good to Average and roof efficiency dropped from Good to Poor. The recommended improvements would push it to B (score 86).
Sale prices here have outpaced London HPI: 3.4% per year against 0% for the wider region. A recent sale: £900,000 in September 2025. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include new windows, meaningful when judging how the property has evolved. At 100 m² it's 19% larger than the typical home in the postcode (84 m² median across 9 EPCs).
Erection of an outbuilding in the rear garden.
£935,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.4% per year over 18 years.
£900,000
Growth on file: 3.4% per year over 18 years.
On co₂ emissions, 21 Tilney Gardens stands well clear of the street.
EPC Rating
72 (C)
Street avg 69 (C)
Floor Area
100 m²
Street avg 101 m²
CO₂ Emissions
2.8 t/year
Rail-style transport is unusually close for this postcode.
Crime
10/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Essex Road / Marquess Road — bus stop.

Daytime· 07:00 – 23:00
56.0dB

Changes detected from historical EPC data
Windows upgraded, improving insulation
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Replacement of existing single glazed aluminium framed windows to front, rear and flank elevations with double glazed aluminium framed windows.
3 September 2025Most recent
£900,000
+81.8%over 18 years1 August 2007
£495,000
Median price across the last 2 sales in N1 3QF: £511,500 (2024–2006).
Street avg 3.3 t/year
Habitable Rooms
6 rooms
Street avg 5 rooms
N1 3NJ
Closest school
0.4 km
Our Lady and St Joseph Catholic Primary School. 104 schools nearby.
Night-time· 23:00 – 07:00
45.2dB
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