Free survey + chance to win £1,000 cash · £100 for every referral* · UK homeowners 18+Ends 20 DecBooknow
Free postcode check

How warm is your street in Gwynedd?

1,268 streets ranked from 41,981 real Energy Performance Certificates. Type your postcode to see where yours comes.

60typical home score (band D)
71%of homes rated D or below
5%with some single glazing

The typical home in Gwynedd scores 60 on its Energy Performance Certificate, colder than the England and Wales typical score of 69. The most common build period is before 1900. Streets are ranked from warmest (rank 1) to coldest (rank 1,268).

10 warmest streets in Gwynedd
RankStreetTypical scoreHomes
1Llygaid Y Moelwyn LL41A · 1005
2Cae'R Gors LL57A · 9912
3Llain Y Pebyll LL57A · 969
4Llwyn Y Bont LL55A · 965
5Cae Morys LL55A · 9411
6Cae Ffynnon LL57A · 9330
7Cae'R Felin LL52A · 936
8Berwyn Street LL23A · 937
9Meusydd Llydain LL48A · 928
10Station Road LL57A · 9225
10 coldest streets in Gwynedd
RankStreetTypical scoreHomes
1268Snowdon Drive LL55G · 1411
1267Rhinog Caravan Park LL44G · 148
1266Glan Gwna Holiday Park LL55G · 145
1265Dolydd Terrace LL41G · 206
1264Plas Panteidal LL35F · 2311
1263Smith Street LL55F · 246
1262Pant LL57F · 246
1261Erw Porthor Chalet Park LL36F · 2515
1260Woodlands Holiday Park LL36F · 2624
1259Bryn Y Waen LL56F · 265

Questions

What is the typical EPC score in Gwynedd?

The typical (median) home in Gwynedd scores 60 out of 100, which is band D. That is colder than the England and Wales typical score of 69.

How many homes in Gwynedd are rated D or below?

71% of homes with an EPC in Gwynedd are rated D, E, F or G.

How many homes in Gwynedd still have single glazing?

5% of EPCs in Gwynedd list some single-glazed windows.

How is my street's rank worked out?

We take the latest EPC for each home, group homes by street, and rank streets by their typical score. Streets with fewer than 5 homes with an EPC are left out. Rank 1 is the warmest.

Is this a survey of my house?

No. It is an estimate based on public Energy Performance Certificates. Some certificates are several years old and some homes do not have one.

More free tools

Want to know where your home loses heat?

Book a survey with All Weather Roofline for windows, doors and roofline that keep the warmth in.

All towns · About the data · Contains public sector information licensed under the Open Government Licence v3.0 (Energy Performance Certificates, MHCLG). Scores are estimates from EPCs, not a survey of your home.