Marine House is a Grade II listed building in the Cardiff local planning authority area, Wales. First listed on 19 May 1975. House. 2 related planning applications.
Marine House
- WRENN ID
- gentle-porch-aspen
- Grade
- II
- Local Planning Authority
- Cardiff
- Constituency
- Cardiff South and Penarth MP: Stephen Doughty (Lab)
- Country
- Wales
- Date first listed
- 19 May 1975
- Type
- House
- Address
- Marine House, 23 Mount Stuart Square, Butetown, CF10 5DP
- OS grid reference
- ST 189 746
- Coordinates
- 51.4649, -3.16864
- Source
- Cadw listing
Description
Marine House comprises two former houses facing north, each of three storeys and one-window bay. The buildings date to the 18th century and have slate roofs and brick chimneys. The exterior is stuccoed, with the ground floor rusticated and the upper floors featuring scribing intended to imitate ashlar. A shallow plinth is present, along with a cornice and parapet, and additional cornices at the first and second floor levels. The second-floor windows are broad tripartite designs. First-floor windows are of a Venetian style, featuring tripartite openings framed by Doric pilasters and a small shell motif within a tympanum above. The former end house is distinguished by two pilasters in rusticated stucco. A doorway to Marine House has large, Egyptian-style engaged quarter columns and an entablature above, flanked by tripartite sash windows. A former segmental-headed doorway, now a window and constructed with stucco voussoirs, is located at the right end.
The rear elevation has six bays of standard tall windows with large pane glazing on the second and first floors. The ground floor contains five windows and a doorway topped with a square fanlight, and these do not align with the windows above.
Local climate
Marine House sits in a wetter-than-average part of the UK, with an average of 1,080 mm of rain a year. This makes it wetter than 86% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 87% of listed buildings.
It experiences an average of 22 freeze-thaw cycles a year, fewer than 77% of listed buildings. Of these, 8 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 — 18 transactions since 2016
- Related listed building consents — 2 applications
- 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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