Postcode district report · August 2026

CO4, Colchester

CO4 is the 1st Hapiest of Colchester'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.

Homes sold
508
in the 12 months to August 2026
Median price
£320,000
+3.2% on the year before
Price per m²
£3,706
median, homes with an EPC
Flats
15%
of homes sold

CO4 on the HPAI Swatch

Each tile ranks CO4 against the other postcode districts of Colchester.

Price per m²£3,706/m² 5th of 7
Price change+3.2% 2nd of 7
Sales a year508 a year 1st of 7
Sales change-5.2% 3rd of 7
Energy efficiency72 EPC score 2nd of 7
Carbon2.8 t CO₂ a home 3rd of 7
Station nearby1.5 km 3rd of 7
Yellow the best in Colchester Green above average Blue below average Purple weakest in Colchester

Yellow is Hapi: the more yellow, the better CO4 compares with the rest of Colchester. These colours compare postcode districts within Colchester; Colchester's own Swatch compares it with areas across England and Wales.

Colchester's postcode districts, Hapiest first

#Postcode districtSwatchHomes soldMedian pricePrice change
1 CO4 508£320,000 +3.2%
2 CO1 231£238,000 +3.5%
3 CO3 426£350,000 +1.4%
4 CO5 298£360,000 -5.3%
5 CO2 418£275,000 -4.2%
6 CO6 172£375,000 -9.0%
7 CO7 127£330,000 -8.3%

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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 Colchester 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 Colchester aren't ranked.