What is the average EPC rating in CM23 3?

The average EPC rating in CM23 3 is band C. This is based on 3,901 properties with EPC certificates in this postcode sector, located in East Hertfordshire.

How many properties in CM23 3 need energy improvements?

42% of properties in CM23 3 are rated D-G and could benefit from energy efficiency improvements. 58% are already rated A-C, indicating good energy performance.

What EPC improvements are commonly recommended in CM23?

The most frequently recommended improvements in CM23 are solar photovoltaic panels, 2.5 kwp (12,994 properties), solar water heating (11,787 properties), and low energy lighting for all fixed outlets (7,996 properties). The specific recommendations vary based on each property's current features.

Postcode sector

EPC ratings in CM23 3

3,901 properties in CM23 3 have EPC certificates, with an average rating of C—above the CM23 average. 42% of homes are rated D-G. This sector is part of CM23 in East Hertfordshire. Enter your postcode below to see your property's full EPC report and improvement recommendations.

Average band

Total properties

3,901

Band A-C

58%

Higher efficiency homes

Band D-G

42%

Homes needing improvement

EPC distribution

Percentage of properties in each EPC band across CM23 3.

A1%

B22%

C35%

D30%

E10%

F2%

G0%

Energy efficiency in CM23 3 is typical for the CM23 area. There are opportunities for improvement across various property types.

Recent EPCs

Anonymised sample of recent certificates for this sector.

Address	Type	Rating	Date	View
Southmill Road House•1 months ago	House	D	1 months ago	View report
Trinity Way Flat•1 months ago	Flat	C	1 months ago	View report
South Road House•1 months ago	House	C	1 months ago	View report
Thornbera Gardens House•1 months ago	House	D	1 months ago	View report
Nursery Road House•1 months ago	House	D	1 months ago	View report
Patricia Gardens House•1 months ago	House	D	1 months ago	View report
Scott Road House•1 months ago	House	C	1 months ago	View report
Norfolk Way House•1 months ago	House	D	1 months ago	View report
Kent Crescent Bungalow•1 months ago	Bungalow	D	1 months ago	View report
Scott Road House•1 months ago	House	D	1 months ago	View report

Common improvements in CM23

These upgrades are frequently recommended for properties in this area.

1
Solar photovoltaic panels, 2.5 kWp
12994 occurrences · Code M
2
Solar water heating
11787 occurrences · Code L
3
Low energy lighting for all fixed outlets
7996 occurrences · Code H
4
Replace boiler with new condensing boiler
4133 occurrences · Code J
5
Floor insulation (solid floor)
3827 occurrences · Code E

Helpful guides

Frequently asked questions about CM23 3

: The average EPC rating in CM23 3 is band C. This is based on 3,901 properties with EPC certificates in this postcode sector, located in East Hertfordshire.
: 42% of properties in CM23 3 are rated D-G and could benefit from energy efficiency improvements. 58% are already rated A-C, indicating good energy performance.
: The most frequently recommended improvements in CM23 are solar photovoltaic panels, 2.5 kwp (12,994 properties), solar water heating (11,787 properties), and low energy lighting for all fixed outlets (7,996 properties). The specific recommendations vary based on each property's current features.

Other sectors in CM23

Explore EPC data for nearby postcode sectors in the same district.

CM23 0

448 properties CM23 1

923 properties CM23 2

3,790 properties CM23 4

3,666 properties CM23 5

2,584 properties

Check a specific property

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