Garden Arch at Old Henllan is a Grade II listed building in the Pembrokeshire local planning authority area, Wales. First listed on 29 September 1993. Garden structure.

Garden Arch at Old Henllan

WRENN ID
dim-pedestal-cobweb
Grade
II
Local Planning Authority
Pembrokeshire
Constituency
Mid and South Pembrokeshire MP: Henry Tufnell (Lab)
Country
Wales
Date first listed
29 September 1993
Type
Garden structure
Address
Garden Arch at Old Henllan, Pwllcrochan, Angle
OS grid reference
SM 916 025
Coordinates
51.68268, -5.01518
Source
Cadw listing

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

Description

The Garden Arch at Old Henllan is an early 18th-century structure made of red brick. It features a round-headed recessed arch, with each side of the outer arch displaying moulded brick imposts on the piers and remnants of a moulded brick plinth. There is a keyblock located under the crown of each outer arch, and above this, there are remains of a raised string course, which may have been interrupted for a central plaque.

Local climate

Garden Arch at Old Henllan sits in a wetter-than-average part of the UK, with an average of 1,140 mm of rain a year. This makes it wetter than 89% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 98% of listed buildings.

It experiences an average of 2 freeze-thaw cycles a year, fewer than 99% of listed buildings. Of these, 1 follows 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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  1. Stone Building (now as a Barn) at Old Henllan Grade II 62 m
  2. Former Church of Saint Mary Grade II* 413 m
  3. Former National School Building Grade II 504 m
  4. Church Hall Grade II 1.3 km
  5. Shaft and Base of Churchyard Cross to N of Parish Church Grade II 1.3 km
  6. Church of St Decumanus Grade I 1.3 km
  7. Range of Outbuildings at Hilton Farm Grade II 1.3 km
  8. Hilton Farmhouse Grade II 1.3 km
  9. Eastington Farmhouse including range of outbuilding to SE Grade II 1.5 km
  10. The Tower at Eastington Manor House Grade I 1.6 km