6 Smithfield Street is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 10 April 1989. Terrace.

6 Smithfield Street

WRENN ID
lesser-vault-ivy
Grade
II
Local Planning Authority
Powys
Constituency
Montgomeryshire and Glyndwr MP: Steve Witherden (Lab)
Country
Wales
Date first listed
10 April 1989
Type
Terrace
Address
6 Smithfield Street, Llanidloes
OS grid reference
SN 953 843
Coordinates
52.44747, -3.54116
Source
Cadw listing

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

Description

6 Smithfield Street is a three-storey terrace of industrial housing, likely built around 1830. It originally included a small woolen factory on the top floor. The building features a two-window arrangement for No 3, which was probably the manager's house, and a one-window arrangement for the other units, creating reflected pairs. The exterior is roughcast with a painted plinth. It has a renewed slate roof with mostly rendered brick chimney stacks and wide boarded eaves. The terrace retains some small pane sash windows, with 9 and 12-pane configurations throughout Nos 3 and 5. There are later half-glazed doors and two small windows on the left end, which once had a weaving loft door leading to the gable. The rear of the building has modern windows, and No 3 is shallower than the others. A high revetment wall is located beyond the building, adjacent to the former castle mound.

Local climate

6 Smithfield Street sits in one of the wettest parts of the UK, with an average of 1,180 mm of rain a year. This makes it wetter than 90% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 82% of listed buildings.

It experiences an average of 53 freeze-thaw cycles a year, more than 94% of listed buildings. Of these, 32 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 — 6 transactions since 1997
  • No related consent applications matched
  • 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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