What is the average EPC rating in LL57 4?

The average EPC rating in LL57 4 is band D. This is based on 1,635 properties with EPC certificates in this postcode sector, located in Gwynedd.

How many properties in LL57 4 need energy improvements?

73% of properties in LL57 4 are rated D-G and could benefit from energy efficiency improvements. 27% are already rated A-C, indicating good energy performance.

What EPC improvements are commonly recommended in LL57?

Common EPC improvements recommended in the LL57 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 LL57 4

1,635 properties in LL57 4 have EPC certificates, with an average rating of D—matching the LL57 average. 73% of homes here are rated D-G, indicating significant potential for energy improvements. This sector is part of LL57 in Gwynedd. Enter your postcode below to see your property's full EPC report and improvement recommendations.

Average band

Total properties

1,635

Band A-C

27%

Higher efficiency homes

Band D-G

73%

Homes needing improvement

EPC distribution

Percentage of properties in each EPC band across LL57 4.

A2%

B4%

C21%

D32%

E22%

F13%

G6%

Most properties in LL57 4 could benefit from energy efficiency improvements. Common upgrades in LL57 include insulation, heating system upgrades, and double glazing.

Recent EPCs

Anonymised sample of recent certificates for this sector.

Address	Type	Rating	Date	View
Bro Infryn Bungalow•1 months ago	Bungalow	C	1 months ago	View report
Penrhiw Bungalow•1 months ago	Bungalow	E	1 months ago	View report
Bro Infryn Bungalow•1 months ago	Bungalow	B	1 months ago	View report
Bro Infryn Bungalow•1 months ago	Bungalow	C	1 months ago	View report
Maes Ogwen House•1 months ago	House	D	1 months ago	View report
Caernarfon Road Flat•1 months ago	Flat	D	1 months ago	View report
Valwyn House•1 months ago	House	G	1 months ago	View report
Henardd House•1 months ago	House	B	1 months ago	View report
Llety House•1 months ago	House	F	1 months ago	View report
Tynlon House•1 months ago	House	E	1 months ago	View report

Common improvements in LL57

These upgrades are frequently recommended for properties in this area.

1
Solar photovoltaic panels, 2.5 kWp
7883 occurrences · Code 34
2
Solar water heating
7099 occurrences · Code 19
3
Internal or external wall insulation
3809 occurrences · Code 7
4
Low energy lighting for all fixed outlets
3786 occurrences · Code 35
5
Floor insulation (solid floor)
3297 occurrences · Code 58

Helpful guides

Frequently asked questions about LL57 4

: The average EPC rating in LL57 4 is band D. This is based on 1,635 properties with EPC certificates in this postcode sector, located in Gwynedd.
: 73% of properties in LL57 4 are rated D-G and could benefit from energy efficiency improvements. 27% are already rated A-C, indicating good energy performance.
: Common EPC improvements recommended in the LL57 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 LL57

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

LL57 1

2,110 properties LL57 2

2,559 properties LL57 3

1,591 properties

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