15 Upper Frog Street is a Grade II listed building in the Pembrokeshire Coast National Park local planning authority area, Wales. First listed on 26 April 1977. House with shops.

15 Upper Frog Street

WRENN ID
muffled-clay-wren
Grade
II
Local Planning Authority
Pembrokeshire Coast National Park
Constituency
Mid and South Pembrokeshire MP: Henry Tufnell (Lab)
Country
Wales
Date first listed
26 April 1977
Type
House with shops
Address
15 Upper Frog Street, Tenby
OS grid reference
SN 133 005
Coordinates
51.67218, -4.70116
Source
Cadw listing

Also on this page: flood risk · radon risk · weather exposure · detailed attributes ↓

Description

15 Upper Frog Street is a house with shops, featuring a painted stucco front and a slate close-eaved roof. The building has three storeys and two bays, with a brick stack at the right end and nogged brick eaves. On the second floor, there are two 4-pane sash windows. The first floor has a canted oriel window on the left, which has a moulded cornice, a hipped roof, and 2-4-2-pane sashes. To the right, there are two 4-pane sashes; the outer sash aligns with the window above, while the inner sash is narrower and may have been added later, aligning over the passage entry to the right. This entry is next to an earlier 20th-century shop front, which has a very narrow shop to the right featuring a 20th-century window that is splayed across the angle to the adjoining property at No 16. The left shop front has timber casing with pilasters, a frieze, and a cornice, with the upper mouldings extending around the base of the oriel. There is a recessed glazed door to the right and a shop window with three lights, top lights, and a fourth light canted into the door.

Local climate

15 Upper Frog Street sits in one of the wettest parts of the UK, with an average of 1,210 mm of rain a year. This makes it wetter than 91% 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 5 freeze-thaw cycles a year, fewer than 97% of listed buildings. Of these, 1 follows 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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  • 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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