What is the average EPC rating in CM21 9?

The average EPC rating in CM21 9 is band C. This is based on 2,351 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 (3,179 properties), solar water heating (2,804 properties), and low energy lighting for all fixed outlets (1,772 properties). The specific recommendations vary based on each property's current features.

Postcode sector

EPC ratings in CM21 9

2,351 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

2,351

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•1 months ago	House	B	1 months ago	View report
London Road House•1 months ago	House	C	1 months ago	View report
Linwood House•1 months ago	House	C	1 months ago	View report
Lawrence Moorings Flat•1 months ago	Flat	D	1 months ago	View report
Elmwood House•1 months ago	House	C	1 months ago	View report
Lawrence Moorings Flat•1 months ago	Flat	C	1 months ago	View report
Sheering Mill Lane House•1 months ago	House	C	1 months ago	View report
Leat Close Flat•1 months ago	Flat	C	1 months ago	View report
Cambridge Road House•1 months ago	House	D	1 months ago	View report
Reedings Way Flat•1 months ago	Flat	C	1 months ago	View report

Common improvements in CM21

These upgrades are frequently recommended for properties in this area.

1
Solar photovoltaic panels, 2.5 kWp
3179 occurrences · Code M
2
Solar water heating
2804 occurrences · Code L
3
Low energy lighting for all fixed outlets
1772 occurrences · Code H
4
Replace boiler with new condensing boiler
1003 occurrences · Code J
5
Floor insulation (solid floor)
980 occurrences · Code E

Helpful guides

Frequently asked questions about CM21 9

: The average EPC rating in CM21 9 is band C. This is based on 2,351 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 (3,179 properties), solar water heating (2,804 properties), and low energy lighting for all fixed outlets (1,772 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

1,436 properties

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