The Porthmadog Grade Report

1,559 graded homes · updated from the EPC register

The average Porthmadog home is a D — and 50% of the town's homes could reach a B or better.

D
Town Grade
The most common grade among current certificates in Porthmadog. Average score 57.4.

Grade distribution

Share of Porthmadog homes per grade, current certificates.

2
82
378
544
349
145
60
ABCDEFG

Grade by construction era

Older homes grade lower — and have the most headroom.

Pre-1900
E51.1
1900–1929
E52.5
1930–1949
E53.6
1950–1966
D61.9
1967–1982
D55.7
1983–1995
C69.3
1996 onwards
C76.4

Best-graded streets

Streets with at least 10 graded homes.

1Awel Y GrugLL49 · 21 homesC2Craig MadogLL49 · 17 homesC3PensyflogLL49 · 82 homesC4IsgraigLL49 · 69 homesC5High StreetLL49 · 104 homesB

Most upgraded streets

Biggest average score gain from regrades, last 3 years.

1South Snowdon WharfLL49 · 14 homes+14.9 pts2Ralph StreetLL49 · 6 homes+13.7 pts3PensyflogLL49 · 31 homes+12.1 pts4High StreetLL49 · 7 homes+5.9 pts5IsgraigLL49 · 15 homes+5.8 pts

Porthmadog by district

Most common grade per postcode district.

DLL49
E
4.6% of Porthmadog rental stock sits below the MEES line.
Rentals need a minimum grade by law — E today, direction of travel C. 324 rented homes on record.
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What grade is your Porthmadog home?

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