Plas Maelgwyn is a Grade II listed building in the Conwy local planning authority area, Wales. First listed on 16 March 1976. House.
Plas Maelgwyn
- WRENN ID
- knotted-zinc-moon
- Grade
- II
- Local Planning Authority
- Conwy
- Constituency
- Bangor Aberconwy MP: Claire Hughes (Lab)
- Country
- Wales
- Date first listed
- 16 March 1976
- Type
- House
- Address
- Plas Maelgwyn, 33 Lloyd Street, Llandudno
- OS grid reference
- SH 780 822
- Coordinates
- 53.32296, -3.83176
- Source
- Cadw listing
Description
Plas Maelgwyn is a two-storey house with an attic, featuring a front wall faced in ashlar and a large hipped roof covered with red plain tiles. The right bay of the house projects and includes a timber-framed gable with a decorative bargeboard, along with three-light sash windows on both the first and ground floors. The middle bay has a small flat-roofed dormer, a sash window on the first floor with an iron balcony in front, and on the ground floor, there is a doorway with a canopy supported by corbels, a keystone, and a square-headed doorway with a fanlight. The left bay projects even further than the right bay and also features a wide half-timbered gable with a cusped bargeboard at the attic level; it has a plain sash window in the attic and plain three-light sash windows on both the first and ground floors.
Local climate
Plas Maelgwyn sits in a wetter-than-average part of the UK, with an average of 1,100 mm of rain a year. This makes it wetter than 87% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 76% of listed buildings.
It experiences an average of 34 freeze-thaw cycles a year, fewer than 51% of listed buildings. Of these, 18 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.
- Sale history — 1 transaction since 2017
- 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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