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Postcode district

EPC ratings in CM1

CM1 in Chelmsford has 23,763 properties with EPC certificates. The average rating is C, above the Chelmsford average. Browse sectors below or search for a specific address to view detailed property data. The area is predominantly house (60%). The most frequently recommended improvement is solar photovoltaic panels, 2.5 kwp.

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Average band
C
Total properties
23,763
Band A-C
57%
Higher efficiency homes
Band D-G
43%
Homes needing improvement

EPC distribution

Percentage of properties in each EPC band across CM1.

A0%
B23%
C34%
D31%
E9%
F2%
G0%

Property type mix

Distribution of property types (houses, flats, bungalows) within CM1.

House60%
Flat32%
Bungalow5.8%
Maisonette2.9%
Park home0%

In CM1, the most common EPC-rated properties are house (around 60%) and flat (around 32%). This mix shapes how easy it is for local homes to improve their EPC ratings.

Top recommendations

Improvements most often recommended in this district.

  1. 1

    Solar photovoltaic panels, 2.5 kWp

    19377 occurrences

  2. 2

    Solar water heating

    17750 occurrences

  3. 3

    Low energy lighting for all fixed outlets

    13677 occurrences

  4. 4

    Floor insulation (solid floor)

    8449 occurrences

  5. 5

    Replace boiler with new condensing boiler

    5844 occurrences

Sector breakdown

6 postcode sectors in CM1.

SectorAvg bandPropertiesBand D-G
CM1 1
3,44522%
CM1 2
5,28347%
CM1 3
2,60052%
CM1 4
4,13953%
CM1 6
5,83035%
CM1 7
2,60754%

Check a specific property

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Book an EPC assessment in Chelmsford (CM1)

Check whether your property already has a valid EPC, then arrange an accredited domestic assessment only if you need one.