What is the average EPC rating in CM23 3?

The average EPC rating in CM23 3 is band C. This is based on 3,867 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?

Common EPC improvements recommended in the CM23 area include loft insulation, cavity wall insulation, upgrading to a more efficient boiler, installing double glazing, and switching to LED lighting. The specific recommendations vary based on each property's current features.

Postcode sector

EPC ratings in CM23 3

3,867 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

3,867

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
Valley Court Flat•1 months ago	Flat	C	1 months ago	View report
Mallard Court Flat•1 months ago	Flat	B	1 months ago	View report
South Mill Court Flat•1 months ago	Flat	C	1 months ago	View report
Proctors Way House•1 months ago	House	C	1 months ago	View report
Tanners Wharf Flat•1 months ago	Flat	B	1 months ago	View report
London Road House•1 months ago	House	D	1 months ago	View report
Burley Road House•1 months ago	House	D	1 months ago	View report
Thomas Heskin Court Flat•1 months ago	Flat	E	1 months ago	View report
Proctors Way House•1 months ago	House	C	1 months ago	View report
Nicholls Lodge Flat•1 months ago	Flat	C	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
12568 occurrences · Code 34
2
Solar water heating
11610 occurrences · Code 19
3
Low energy lighting for all fixed outlets
7934 occurrences · Code 35
4
Replace boiler with new condensing boiler
4095 occurrences · Code 20
5
Floor insulation (solid floor)
3675 occurrences · Code 58

Helpful guides

Frequently asked questions about CM23 3

: The average EPC rating in CM23 3 is band C. This is based on 3,867 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.
: Common EPC improvements recommended in the CM23 area include loft insulation, cavity wall insulation, upgrading to a more efficient boiler, installing double glazing, and switching to LED lighting. 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

204 properties CM23 1

814 properties CM23 2

3,699 properties CM23 4

3,477 properties CM23 5

2,549 properties

Check a specific property

Enter your postcode to view an EPC report

Pick your address to see live EPC data and improvement recommendations.