What is the average EPC rating in CM21 9?

The average EPC rating in CM21 9 is band C. This is based on 2,329 properties with EPC certificates in this postcode sector, located in East Hertfordshire.

How many properties in CM21 9 need energy improvements?

48% of properties in CM21 9 are rated D-G and could benefit from energy efficiency improvements. 52% are already rated A-C, indicating good energy performance.

What EPC improvements are commonly recommended in CM21?

The most frequently recommended improvements in CM21 are solar photovoltaic panels, 2.5 kwp (3,116 properties), solar water heating (2,788 properties), and low energy lighting for all fixed outlets (1,761 properties). The specific recommendations vary based on each property's current features.

Postcode sector

EPC ratings in CM21 9

2,329 properties in CM21 9 have EPC certificates, with an average rating of C—above the CM21 average. 48% of homes are rated D-G. This sector is part of CM21 in East Hertfordshire. Enter your postcode below to see your property's full EPC report and improvement recommendations.

Average band

Total properties

2,329

Band A-C

52%

Higher efficiency homes

Band D-G

48%

Homes needing improvement

EPC distribution

Percentage of properties in each EPC band across CM21 9.

A0%

B9%

C43%

D36%

E10%

F2%

G0%

Energy efficiency in CM21 9 is typical for the CM21 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
Sheering Mill Lane House•Today	House	B	Today	View report
London Road House•Today	House	C	Today	View report
Linwood House•Today	House	C	Today	View report
Lawrence Moorings Flat•Today	Flat	D	Today	View report
Elmwood House•Today	House	C	Today	View report
Lawrence Moorings Flat•Today	Flat	C	Today	View report
Leat Close Flat•Today	Flat	C	Today	View report
Cambridge Road House•Today	House	D	Today	View report
Reedings Way Flat•Today	Flat	C	Today	View report
Sheering Mill Lane House•Today	House	C	Today	View report

Common improvements in CM21

These upgrades are frequently recommended for properties in this area.

1
Solar photovoltaic panels, 2.5 kWp
3116 occurrences · Code 34
2
Solar water heating
2788 occurrences · Code 19
3
Low energy lighting for all fixed outlets
1761 occurrences · Code 35
4
Replace boiler with new condensing boiler
994 occurrences · Code 20
5
Floor insulation (solid floor)
938 occurrences · Code 58

Helpful guides

Frequently asked questions about CM21 9

: The average EPC rating in CM21 9 is band C. This is based on 2,329 properties with EPC certificates in this postcode sector, located in East Hertfordshire.
: 48% of properties in CM21 9 are rated D-G and could benefit from energy efficiency improvements. 52% are already rated A-C, indicating good energy performance.
: The most frequently recommended improvements in CM21 are solar photovoltaic panels, 2.5 kwp (3,116 properties), solar water heating (2,788 properties), and low energy lighting for all fixed outlets (1,761 properties). The specific recommendations vary based on each property's current features.

Other sectors in CM21

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

CM21 0

1,424 properties

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