Yr-hen-dy is a Grade II listed building in the Cardiff local planning authority area, Wales. First listed on 19 May 1975. House. 1 related planning application.

Yr-hen-dy

WRENN ID
grim-chalk-bramble
Grade
II
Local Planning Authority
Cardiff
Constituency
Cardiff West MP: Mr Alex Barros-Curtis (Lab)
Country
Wales
Date first listed
19 May 1975
Type
House
Address
Yr-hen-dy, 5 the Cathedral Green, Llandaff, CF5 2EB
OS grid reference
ST 154 780
Coordinates
51.49492, -3.21898
Source
Cadw listing

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

Description

Yr-hen-dy is a double-fronted central-entrance house, likely dating to the 16th century, although significantly altered. The exterior is rendered over local rubble, with a mansard roof covered in Welsh slate. The main facade has three bays, with a central doorway featuring panelled pilasters, a flat hood supported by arched brackets, a six-panelled door, and a rectangular fanlight above. Flanking the doorway are square bay windows with stucco cornices and parapets. These bays are additions from the mid-19th century and feature sash windows with horns; the ground floor windows lack glazing bars, while the first floor windows have a mix of 6 over 6, 3 over 6, and 6 over 3 panes. Three pedimented dormers with casement windows (6 + 6 panes) light the attic space. Gable stacks are present. The left return elevation has two windows on each floor, featuring 6 over 6 sash windows. Behind the original house is an additional gabled range, followed by a three-storey wing and later 20th-century double-gabled extensions incorporating contemporary joinery. According to a historical account by Newman, a 16th-century south doorway with a four-centred head and a two-light window above were once present, but these were not visible during a resurvey in April 2002. The interior was not inspected during the resurvey.

Local climate

Yr-hen-dy sits in a wetter-than-average part of the UK, with an average of 1,080 mm of rain a year. This makes it wetter than 86% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 87% of listed buildings.

It experiences an average of 22 freeze-thaw cycles a year, fewer than 77% of listed buildings. Of these, 8 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 — 9 transactions since 1998
  • Related listed building consents — 1 application
  • 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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  2. Statue of James Rice Buckley Grade II 26 m
  3. Garden Wall Grade II 27 m
  4. 3 The Cathedral Green Grade II 34 m
  5. The City Cross Grade II 35 m
  6. 1 The Cathedral Green Grade II 41 m
  7. Garden Wall of Nos. 1 & 2 White House Grade II 47 m
  8. 2 High Street Grade II 47 m
  9. 15 The Cathedral Green Grade II 48 m
  10. 4 High Street Grade II 50 m