Plas Penbwll is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 1 April 1974. House.
Plas Penbwll
- WRENN ID
- gilded-facade-pine
- Grade
- II
- Local Planning Authority
- Gwynedd
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 1 April 1974
- Type
- House
- Address
- Plas Penbwll, 7 Britannia Place, Porthmadog
- OS grid reference
- SH 571 384
- Coordinates
- 52.92451, -4.12567
- Source
- Cadw listing
Description
Plas Penbwll is a 2-storey double-fronted house that features roughcast painted green with smooth-rendered architraves and a slate roof, which has a small skylight added. The entrance is positioned to the right and includes a replacement panel door. The windows are round-headed, made of iron, and have small-pane radial glazing, incorporating small pivoting lights, likely cast at Britannia Foundry. The rear of the house has replacement windows.
Local climate
Plas Penbwll sits in one of the wettest parts of the UK, with an average of 1,490 mm of rain a year. This makes it wetter than 98% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 97% of listed buildings.
It experiences an average of 32 freeze-thaw cycles a year, fewer than 60% of listed buildings. Of these, 15 follow at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.3°C per decade since 1991.
Averages for 1991–2020; temperature trend 1991–2025. Figures describe the wider area (a grid cell of roughly 10 km), not the individual site. Contains modified Copernicus Climate Change Service information 2026.
More on this building
Sign in or create a free account to unlock:
- Full EPC report — heating system, energy costs, size, glazing, construction etc.
- Sale history — 1 transaction since 2008
- No related consent applications matched
- Detailed attributes — period, style, materials, features
- Flood risk assessment
- Radon risk assessment
- Weather exposure and heating demand — rain and frost month by month and year by year, wind direction, solar and humidity
Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.
Similar buildings
The closest matches to this building from all 493,000 UK listed buildings, by architecture, period and materials.
this building 1 similar nearby listed buildings