17 Heddington Grove, Islington, London, N7 9SY
About 17 Heddington Grove
17 Heddington Grove is a one-bedroom mid-terrace house in Islington, London, London (N7 9SY). It has a recorded floor area of 36 m² (around 388 sq ft), construction records dating it to 1983-1990 and council tax band C. Tenure is freehold. The latest certificate (November 2025) shows a C (score 72). The rating has held steady at C across 2 certificates since April 2014. Between certificates, main heating went from Poor to Average; while lighting dropped from Very Good to Poor. The recommended improvements would push it to B (score 82). Main heating runs on electricity. This certificate was lodged in the last six months, so the rating reflects current condition. At 36 m² this is the 3rd smallest of 33 units on EPC record in the building, where floor areas span 35–115 m². The building's EPC ratings span E to B across 33 units on file.
At 36 m² it sits well below the postcode median (52 m² across 32 EPCs), making it one of the more compact homes locally. Across 1996–2023, sale prices on this property compounded at 8.1% per year. On a £-per-square-foot basis, the last sale (£885/sq ft) was about 171.3% above the typical sold price in the postcode. Last sale on file: £343,000 in May 2023.
Know exactly what you're buying at 17 Heddington Grove
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms1
- Bathrooms1
- Open-plan layoutYes
Outside
- Communal gardenYes
- ParkingAllocated
Building
- TenureFreehold
- RefurbishedYes
Energy performance
17 Heddington Grove's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating system upgraded to a more efficient system
Heating controls changed
High performance glazing installed
Low energy lighting percentage decreased
Planning history
17 Heddington Grove has no planning applications on record.
Notable planning nearby
3applications of note in the surrounding area
We flagged 1 thing worth checking at 17 Heddington Grove
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
17 Heddington Grove has more than quadrupled in price since its earliest registered sale in 1996.
£359,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.1% per year over 27 years.
£343,000
Growth on file: 8.1% per year over 27 years.
Sales timeline
30 May 2023Most recent
£343,000
+14.3%over 8 years31 August 2014
£299,995
+71.4%over 8 years4 July 2006
£175,000
+17.1%over 2 years30 June 2004
£149,500
+251.8%over 8 years20 June 1996
£42,500
Median price across the last 5 sales in N7 9SY: £318,000 (2024–2021).
Nearby sales in N7 9SY
40 Heddington Grove, Islington, London, N7 9SY
Sold Jan 2024
£278,0009 Heddington Grove, Islington, London, N7 9SY
Sold Apr 2023
£380,00044 Heddington Grove, Islington, London, N7 9SY
Sold Nov 2021
£318,00051 Heddington Grove, Islington, London, N7 9SY
Sold Oct 2021
£157,50013 Heddington Grove, Islington, London, N7 9SY
Sold Oct 2021
£375,000
Everything we know about 17 Heddington Grove, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby

Versus other Heddington Grove homes
On price per m², 17 Heddington Grove stands well clear of the street.
Price per m²
£9,528
Street avg £4,759
Floor Area
36 m²
Street avg 48 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
0.6 t/year
Street avg 2.5 t/year
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
12/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Holloway Road Underground Station — subway entrance.
Closest school
0.3 km
Sacred Heart Catholic Primary School. 94 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
57.8dB

Night-time· 23:00 – 07:00
49.0dB