Flat 6, 9 Highbury Hill, London, N5 1SU
About Flat 6
Flat 6 is an end-of-terrace house in London (N5 1SU). It has a recorded floor area of 168 m² (around 1808 sq ft) and construction records dating it to 1900-1929. At 168 m² this is the largest unit on EPC record across the building (34–168 m²). The building's EPC ratings span E to C, with this unit at the bottom. On EPC score it ranks last in the building (52 versus a best of 71). The latest certificate (June 2016) shows an E (score 52), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 76), a 2-band jump. The latest certificate is from June 2016, so improvements made since then won't be reflected.
At 168 m² the property is well over the postcode median (79 m² across 69 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 81% of similar EPCs). Across 1996–2023, sale prices on this property compounded at 8.8% per year. Today's modelled estimate of £1,566,000 is 12.3% above the 2023 sale price. On a £-per-square-foot basis, the last sale (£771/sq ft) was about 101.5% above the typical sold price in the postcode. Most recent transfer: March 2023 at £1,395,000.
Know exactly what you're buying at Flat 6
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
Flat 6's carbon output runs well above what efficient homes in the postcode produce.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 09 Jun 2026
EPC Rating
Planning history
Flat 6 has no planning applications on record.
The full report still covers planning activity across the surrounding area.
Sales history & valuation
Flat 6 has more than quadrupled in price since its earliest registered sale in 1996.
£1,566,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.8% per year over 27 years.
£1,395,000
Growth on file: 8.8% per year over 27 years.
Sales timeline
30 March 2023Most recent
£1,395,000
+29.2%over 6 years9 January 2017
£1,080,000
+202.1%over 16 years16 April 2000
£357,500
+139.9%over 3 years11 September 1996
£149,000
Median price across the last 5 sales in N5 1SU: £5,700,000 (2025–2023).
Nearby sales in N5 1SU
Flat 2, 9 Highbury Hill, Islington, London, N5 1SU
Sold Sept 2025
£680,00021 Highbury Hill, Islington, London, N5 1SU
Sold Mar 2025
£6,675,000Middle Floor Flat, 15 Highbury Hill, London, N5 1SU
Sold Feb 2025
£400,00017 Highbury Hill, Islington, London, N5 1SU
Sold Nov 2023
£5,700,00027 Highbury Hill, Islington, London, N5 1SU
Sold Oct 2023
£6,000,000
Everything we know about Flat 6, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
- Am I paying too much?
- Is something wrong with it?
- Is the agent's story true?
- Will it hold its value?

Versus other Highbury Hill homes
On floor area, Flat 6 stands well clear of the street.
Price per m²
£8,304
Street avg £7,802
Floor Area
168 m²
Street avg 70 m²
Habitable Rooms
4 rooms
Street avg 3 rooms
CO₂ Emissions
8.3 t/year
Street avg 3.2 t/year
Similar properties nearby
101 Eaststand Apartments, Highbury Stadium Square, Islington
N5 1FF
10 Weststand Apartments, Highbury Stadium Square, Islington
N5 1FG
104 Weststand Apartments, Highbury Stadium Square, Islington
N5 1FH
10 Eaststand Apartments, Highbury Stadium Square, Islington
N5 1FE
104 Eaststand Apartments, Highbury Stadium Square, Islington
N5 1FF
102 Eaststand Apartments, Highbury Stadium Square, Islington
N5 1FF
102 Northstand Apartments, Highbury Stadium Square, Islington
N5 1FL
103 Weststand Apartments, Highbury Stadium Square, Islington
N5 1FH
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
8/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Highbury Barn — bus stop.
Closest school
0.1 km
Highbury Fields School. 92 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
51.8dB

Night-time· 23:00 – 07:00
41.8dB