Ashlar Doric portico at The Roman Legionary Museum is a Grade II listed building in the Newport local planning authority area, Wales. First listed on 11 July 1951. Museum.

Ashlar Doric portico at The Roman Legionary Museum

WRENN ID
pale-fireplace-blackthorn
Grade
II
Local Planning Authority
Newport
Constituency
Newport East MP: Jessica Morden (Lab)
Country
Wales
Date first listed
11 July 1951
Type
Museum
Address
Ashlar Doric portico at The Roman Legionary Museum, Caerleon
OS grid reference
ST 339 905
Coordinates
51.61017, -2.95538
Source
Cadw listing

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

Description

The Ashlar Doric portico at The Roman Legionary Museum is built from Bath limestone and features a Doric tetrastyle design. It follows the Greek Doric order, complete with a triglyph frieze and a pediment. The columns have fluting that does not extend to the ground and rest on a plinth consisting of two stone steps. There is a blind wall that includes large panelled entrance doors set within a pylon architrave. These doors were replaced during the museum's rebuilding in 1987. It is interesting to note that a museum dedicated to Roman antiquities features a Greek portico, which may have been reused from the Old Market House. The listed part of the building does not have an interior.

Local climate

Ashlar Doric portico at The Roman Legionary Museum receives an average of 930 mm of rain a year. This makes it wetter than 71% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 72% of listed buildings.

It experiences an average of 35 freeze-thaw cycles a year, more than 55% 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.

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