Wynnstay Arms Hotel is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 19 November 1990. Hotel.

Wynnstay Arms Hotel

WRENN ID
night-pier-peregrine
Grade
II
Local Planning Authority
Powys
Constituency
Montgomeryshire and Glyndwr MP: Steve Witherden (Lab)
Country
Wales
Date first listed
19 November 1990
Type
Hotel
Address
Wynnstay Arms Hotel, Machynlleth
OS grid reference
SH 745 007
Coordinates
52.59039, -3.85276
Source
Cadw listing

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

Description

The Wynnstay Arms Hotel is a three-storey building with an attic, featuring a two and three bay front that combines two separate structures, with the right-hand section stepped forward. The exterior is finished in whitewashed brick, topped with a half hipped slate roof and dentilled eaves. It has four gabled dormers, which are broader in the center, each fitted with small pane casement windows and decorative timberwork. The first and second floors primarily feature horned sash windows, while a two-light casement window is located above the porch.

On the ground floor, there is a square-headed carriage entry to the left, and to the right, a lean-to canopy connects a splayed bay with French windows. Beyond this is a Doric porch, which has modern piers and glazed sides, and was formerly topped with an iron balustraded parapet. A datestone is positioned at the top right corner of the building, next to a now disused rainwater head. The rear of the building is constructed of rubble and partially slate hung, with a visible vertical joint near the center that corresponds to where the front steps forward. The gables feature three bays and a variety of window types.

At the rear, there are complicated ranges that adjoin, including a modern connecting block to a gabled cross range with two windows overlooking the drive, which features a deep splayed bay dating from around 1900. There is also a slightly taller range behind with a cross gable that includes a high semicircular arch and a bellcote on the roof.

Inside, the hotel retains segmental arched openings in the ground floor hall area, which have panelled soffits and deep impost bands, along with a dado rail. Some chamfered beams are present in the low ceiling, and there is a simple dog-leg staircase.

Local climate

Wynnstay Arms Hotel sits in one of the wettest parts of the UK, with an average of 1,320 mm of rain a year. This makes it wetter than 95% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 93% of listed buildings.

It experiences an average of 31 freeze-thaw cycles a year, fewer than 62% of listed buildings. Of these, 15 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 2024
  • 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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