Viaduct Cottage is a Grade II listed building in the Caerphilly local planning authority area, Wales. First listed on 29 January 1999. Cottage.

Viaduct Cottage

WRENN ID
old-pedestal-storm
Grade
II
Local Planning Authority
Caerphilly
Constituency
Newport West and Islwyn MP: Ruth Jones (Lab)
Country
Wales
Date first listed
29 January 1999
Type
Cottage
Address
Viaduct Cottage, Crumlin
OS grid reference
ST 211 985
Coordinates
51.68032, -3.14219
Source
Cadw listing

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

Description

Viaduct Cottage is a group of two cottages that have been combined into a single dwelling. The building is constructed of whitewashed stone rubble and features a renewed slate roof with overhanging eaves, terracotta ridge tiles, and brick stacks at each end. It is a single storey with an attic, showcasing a simple, low symmetrical front that includes two doorways with plank doors and 6-pane casement windows with stone sills on either side. Above the right doorway, there is a very small 2-pane light, while the left side is blocked.

Inside, the cottage has stone steps next to a fireplace, which includes a cast iron lintel and a bake oven recess at each end. The divisions between rooms have been removed, and the roof consists of simple slender pegged ties, rafters, and trenched purlins.

Local climate

Viaduct Cottage sits in a wetter-than-average part of the UK, with an average of 1,020 mm of rain a year. This makes it wetter than 81% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 75% of listed buildings.

It experiences an average of 43 freeze-thaw cycles a year, more than 81% of listed buildings. Of these, 20 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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  • 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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