27 Cyfartha Road is a Grade II listed building in the Merthyr Tydfil local planning authority area, Wales. First listed on 13 January 1988. House. 2 related planning applications.

27 Cyfartha Road

WRENN ID
drifting-corridor-coral
Grade
II
Local Planning Authority
Merthyr Tydfil
Constituency
Merthyr Tydfil and Aberdare MP: Gerald Jones (Lab)
Country
Wales
Date first listed
13 January 1988
Type
House
Address
27 Cyfartha Road, Williamstown, Park, CF47 8PD
OS grid reference
SO 042 069
Coordinates
51.75293, -3.38881
Source
Cadw listing

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

Description

This is a row of terraced houses dating from the 18th century, situated on Cyfartha Road. The houses are built of rubble stone, with the right-hand house and the central three rendered. They have slate roofs, although the roof of number 24 has been replaced with modern pantiles. Brick stacks are present, with some of them rendered. Each house originally had two windows, and the houses at numbers 23, 24, and the three on the left retain the original cambered openings with simple raised surrounds. Sash windows remain in number 23 and the group of houses on the left, featuring small panes of glass at number 28. The rendered houses have wider, later added surrounds to their window openings. The central doorways have been altered. Internally, the houses were designed with turning stone staircases flanking a chimney breast within thick party walls.

Local climate

27 Cyfartha Road sits in one of the wettest parts of the UK, with an average of 1,270 mm of rain a year. This makes it wetter than 94% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 85% of listed buildings.

It experiences an average of 54 freeze-thaw cycles a year, more than 94% of listed buildings. Of these, 30 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 — 2 transactions since 2003
  • Related listed building consents — 2 applications
  • 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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  1. 26 Cyfartha Road Grade II 6 m
  2. 28 Cyfartha Road Grade II 7 m
  3. 29 Cyfartha Road Grade II 14 m
  4. 25 Cyfartha Road Grade II 14 m
  5. 24 Cyfartha Road Grade II 20 m
  6. 30 Cyfartha Road Grade II 22 m
  7. 23 Cyfartha Road Grade II 25 m
  8. 22 Cyfartha Road Grade II 38 m
  9. Grawen Grade II 44 m
  10. Park Wall Flanking Railings at Driveway entrance to Cyfarthfa Castle Grade II 195 m