Ty Sidan is a Grade II* listed building in the Gwynedd local planning authority area, Wales. First listed on 29 May 1968. House - terrace.
Ty Sidan
- WRENN ID
- stark-footing-stoat
- Grade
- II*
- Local Planning Authority
- Gwynedd
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 29 May 1968
- Type
- House - terrace
- Address
- Ty Sidan, 16 High Street, Walled Town, Caernarfon
- OS grid reference
- SH 477 628
- Coordinates
- 53.14064, -4.27706
- Source
- Cadw listing
Description
Ty Sidan is a Georgian house and shop, built with scribed stucco and a slate roof. It is tall and narrow, featuring three storeys and a two-window range. The lower storey includes an early 19th-century shop front, which has a panelled door beneath a small-pane overlight and a large hornless sash window to the right. Below this window, the stallboard has an infilled cellar opening with a wooden lintel. The shop front is enhanced by reeded pilasters, a plain fascia, and a moulded cornice.
The upper storeys feature windows set within round-headed arches, with blank panels framed by pilasters below the sills. The hornless sash windows have Gothic glazing bars with a distinctive lozenge detail. The upper windows are shorter but include deeper panels beneath the sills. Above the upper-storey windows, there is a blank inscription panel located below the eaves.
Local climate
Ty Sidan sits in one of the wettest parts of the UK, with an average of 1,370 mm of rain a year. This makes it wetter than 97% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 98% of listed buildings.
It experiences an average of 20 freeze-thaw cycles a year, fewer than 78% of listed buildings. Of these, 9 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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- No EPC on record for this property
- No sale records on file
- 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
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