Porthiddy Farmhouse is a Grade II listed building in the Pembrokeshire Coast National Park local planning authority area, Wales. First listed on 4 February 1991. Farmhouse.

Porthiddy Farmhouse

WRENN ID
crooked-flint-plum
Grade
II
Local Planning Authority
Pembrokeshire Coast National Park
Constituency
Ceredigion Preseli MP: Ben Lake (PC)
Country
Wales
Date first listed
4 February 1991
Type
Farmhouse
Address
Porthiddy Farmhouse, East Portheiddy, Llanrhian
OS grid reference
SM 803 310
Coordinates
51.93421, -5.19594
Source
Cadw listing

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

Description

Porthiddy Farmhouse is an early to mid 19th century farmhouse constructed from colourwashed roughcast rubble stone, featuring a grouted slate roof and rendered end stacks, with the northern end stack being larger. The building is two storeys high and has an off-centre arrangement of three windows, which are 4-pane sashes with painted reveals and slate sills. The entrance is located in a large roughcast gable porch. At the rear, there is an outshut.

The farmhouse is marked on the 1846 Tithe Map, although it likely does not appear on the maps from 1820 and 1826 found in the Pembrokeshire Record Office, despite buildings being indicated on the site. A door latch with the carved date of 1844 was previously attached to the front door.

Local climate

Porthiddy Farmhouse sits in a wetter-than-average part of the UK, with an average of 1,050 mm of rain a year. This makes it wetter than 85% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 96% of listed buildings.

It experiences an average of 3 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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  • 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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Nearby listed buildings

  1. Range of Outbuildings on S Side of Farmhouse at Porthiddy Farm Grade II 28 m
  2. Range of Outbuilding along roadside at Porthiddy Farmhouse Grade II 44 m
  3. Bank Cottage Grade II 592 m
  4. Bank House Grade II 616 m
  5. Swn-y-mor (previously listed as unoccupied cottage between beach cottage and the villa) Abereidy Grade II 658 m
  6. Abereiddy Beach Cottage Grade II 661 m
  7. Cartshed & attached Pigsties at Llanfryn-Y-Fran Grade II 685 m
  8. Outbuilding at S.End of range at Llanfyrn-y-Fran Grade II 690 m
  9. The Cwm Grade II 742 m
  10. Melin Abereiddy Grade II 769 m