Postcode district report · August 2026

CO3, Colchester

CO3 is the 3rd 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
426
in the 12 months to August 2026
Median price
£350,000
+1.4% on the year before
Price per m²
£3,876
median, homes with an EPC
Flats
17%
of homes sold

CO3 on the HPAI Swatch

Each tile ranks CO3 against the other postcode districts of Colchester.

Price per m²£3,876/m² 4th of 7
Price change+1.4% 3rd of 7
Sales a year426 a year 2nd of 7
Sales change+2.5% 2nd of 7
Energy efficiency66 EPC score 5th of 7
Carbon3.8 t CO₂ a home 6th of 7
Station nearby2.5 km 6th 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 CO3 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.