15 Hoel y Llan (Church Street) is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 30 March 1951. Terrace house, shop. 1 related planning application.
15 Hoel y Llan (Church Street)
- WRENN ID
- sacred-footing-pine
- Grade
- II
- Local Planning Authority
- Gwynedd
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 30 March 1951
- Type
- Terrace house, shop
- Address
- 15 Hoel y Llan (Church Street), Tremadog, Porthmadog, LL49 9RA
- OS grid reference
- SH 562 400
- Coordinates
- 52.93896, -4.14097
- Source
- Cadw listing
Description
15 Hoel y Llan, located on Church Street in Tremadog, is part of a 2-storey terrace that includes four houses and a shop. The terrace is primarily constructed from large, roughly dressed blocks of quarried stone arranged in regular courses, topped with renewed slate roofs that feature projecting eaves and stone and roughcast chimney stacks. Each building has distinct details.
Specifically, 15 Hoel y Llan is a 2-storey house with two windows on the front, which is rendered. It has a slate roof with projecting eaves and stone stacks at each end. The original openings are offset to the left and include a recessed replacement door and replacement windows. On the right gable end, made of rubble stone, there is a window that has been inserted into an earlier doorway.
The building is part of a group that includes 3-15 Church Street, Tremadog.
Local climate
15 Hoel y Llan (Church Street) 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
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- Full EPC report — heating system, energy costs, size, glazing, construction etc.
- No sale records on file
- Related listed building consents — 1 application
- 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.
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