Postcode district report · August 2026

CM3, Braintree

CM3 is the 6th Hapiest of Braintree's 9 postcode districts on the HPAI Swatch, which compares them with each other on prices, how the market is moving, energy efficiency and transport. CM3 also reaches into Chelmsford and Maldon; these figures are for its homes in Braintree.

Homes sold
55
in the 12 months to August 2026
Median price
£435,000
-8.4% on the year before
Price per m²
£4,493
median, homes with an EPC
Flats
7%
of homes sold

CM3 on the HPAI Swatch

Each tile ranks CM3 against the other postcode districts of Braintree.

Price per m²£4,493/m² 2nd of 9
Price change-8.4% 8th of 9
Sales a year55 a year 6th of 9
Sales change-21.6% 9th of 9
Energy efficiency85 EPC score 1st of 9
Carbon1.7 t CO₂ a home 1st of 9
Station nearbyNo data –
Yellow the best in Braintree Green above average Blue below average Purple weakest in Braintree

Yellow is Hapi: the more yellow, the better CM3 compares with the rest of Braintree. These colours compare postcode districts within Braintree; Braintree's own Swatch compares it with areas across England and Wales.

Braintree's postcode districts, Hapiest first

#Postcode districtSwatchHomes soldMedian pricePrice change
1 CM77 167£420,000 +13.7%
2 CM7 580£319,000 +2.9%
3 CO5 55£405,000 +3.8%
4 CM8 419£305,000 -6.2%
5 CO6 118£375,000 +10.3%
6 CM3 55£435,000 -8.4%
7 CO9 308£326,000 -5.0%
8 CB9 33£395,000 +1.0%
9 CO10 42£427,500 -17.0%

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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 Braintree 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 Braintree aren't ranked.