Postcode district report · August 2026

N4, Islington

N4 is the 4th Hapiest of Islington's 7 postcode districts on the HPAI Swatch, which compares them with each other on prices, how the market is moving, energy efficiency and transport. N4 also reaches into Haringey and Hackney; these figures are for its homes in Islington.

Homes sold
113
in the 12 months to August 2026
Median price
£580,000
-4.9% on the year before
Price per m²
£9,157
median, homes with an EPC
Flats
82%
of homes sold

N4 on the HPAI Swatch

Each tile ranks N4 against the other postcode districts of Islington.

Price per m²£9,157/m² 5th of 7
Price change-4.9% 6th of 7
Sales a year113 a year 5th of 7
Sales change-3.8% 1st of 7
Energy efficiency72 EPC score 2nd of 7
Carbon2.5 t CO₂ a home 3rd of 7
Station nearby0.4 km 3rd of 7
Yellow the best in Islington Green above average Blue below average Purple weakest in Islington

Yellow is Hapi: the more yellow, the better N4 compares with the rest of Islington. These colours compare postcode districts within Islington; Islington's own Swatch compares it with areas across England and Wales.

Islington's postcode districts, Hapiest first

#Postcode districtSwatchHomes soldMedian pricePrice change
1 N1 501£705,000 -1.4%
2 N19 184£595,000 +5.3%
3 N7 242£565,000 +1.3%
4 N5 218£642,500 -7.6%
4 N4 113£580,000 -4.9%
6 EC1R 26£757,500 +0.3%
7 EC1V 82£645,000 -3.7%

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About these figures

Price per m²
Median price per square metre of homes sold in the last 12 months (homes with an EPC).
Price change
Median price in the last 12 months against the 12 months before.
Sales a year
Open-market sales in the last 12 months. More sales means a deeper, easier market.
Sales change
Sales in the 12 months to three months ago against the year before. The newest months are left out: Land Registry registers sales late.
Energy efficiency
Average EPC energy efficiency score of homes sold (higher is more efficient).
Carbon
Average carbon emissions of homes sold, tonnes a year. Lower is better.
Station nearby
Median distance from homes sold to the nearest railway station. Closer is better.

Open-market sales from HM Land Registry Price Paid Data in the 12 months to August 2026 (homes in Islington only); price per m², energy and carbon from the homes sold that have an Energy Performance Certificate. Postcode districts with fewer than 20 sales a year in Islington aren't ranked.