5 Portland Street is a Grade II listed building in the Ceredigion local planning authority area, Wales. First listed on 24 November 1987. House. 1 related planning application.
5 Portland Street
- WRENN ID
- sleeping-terrace-fen
- Grade
- II
- Local Planning Authority
- Ceredigion
- Constituency
- Ceredigion Preseli MP: Ben Lake (PC)
- Country
- Wales
- Date first listed
- 24 November 1987
- Type
- House
- Address
- 5 Portland Street, Aberystwyth, SY23 2DT
- OS grid reference
- SN 583 818
- Coordinates
- 52.41592, -4.08395
- Source
- Cadw listing
Description
5 Portland Street is a late Georgian building with later alterations. It is three storeys and has a basement, with a two-window facade finished in rendered render. The building has moulded quoins at the ends and centre, and a rusticated ground floor with a band below the first-floor windows. The roof is slate, hipped at the right end, with bracketed eaves and ridge tiling, and a red brick chimney stack. The windows are small-paned sashes, some of which have been replaced. The bays to the left of each front have wide cornices and faceted aprons. The first-floor windows on the right have ornate (Jacobean) architraves, contrasting with the simpler classical doorcases which include pilasters. A modern door serves No. 5. Railed basement wells are present, and ornate barley twist banisters are a feature of No. 7.
Local climate
5 Portland Street sits in one of the wettest parts of the UK, with an average of 1,290 mm of rain a year. This makes it wetter than 94% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 91% of listed buildings.
It experiences an average of 31 freeze-thaw cycles a year, fewer than 61% of listed buildings. Of these, 14 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 2007
- 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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