Portis is a Grade II listed building in the Carmarthenshire local planning authority area, Wales. First listed on 9 April 2003. House. 1 related planning application.
Portis
- WRENN ID
- lesser-slate-hazel
- Grade
- II
- Local Planning Authority
- Carmarthenshire
- Constituency
- Caerfyrddin MP: Ann Davies (PC)
- Country
- Wales
- Date first listed
- 9 April 2003
- Type
- House
- Address
- Portis, Llanfynydd, SA32 7TG
- OS grid reference
- SN 558 274
- Coordinates
- 51.9268, -4.0981
- Source
- Cadw listing
Description
Portis is a 2-storey, 5-bay house featuring pebble-dashed walls that are painted white on the front elevation. It has a slate roof and a large external chimney stack on the right gable end, which includes a bread oven. The central boarded door has glazed panels. The windows are late 19th century horned sashes. On the lower storey, there are two 9-pane windows on either side of the doorway, while the upper storey has three 4-pane windows that are evenly spaced. At the rear, there is a central stair light, and to the left of this is a small lean-to.
Local climate
Portis sits in one of the wettest parts of the UK, with an average of 1,350 mm of rain a year. This makes it wetter than 96% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 94% of listed buildings.
It experiences an average of 35 freeze-thaw cycles a year, more than 56% of listed buildings. Of these, 16 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
- Sale history — 1 transaction since 2016
- 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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- Ornamental bridge in grounds of Pantglas
- Former entrance tower to Pantglas, including attached remains of house.
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