Hafod-y-Llan is a Grade II listed building in the Snowdonia National Park local planning authority area, Wales. First listed on 25 November 1998. Farmhouse.

Hafod-y-Llan

WRENN ID
burning-oriel-briar
Grade
II
Local Planning Authority
Snowdonia National Park
Constituency
Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
Country
Wales
Date first listed
25 November 1998
Type
Farmhouse
Address
Hafod-y-Llan, Nant Gwynant, Porthmadog, Beddgelert, Gwynedd
OS grid reference
SH 628 513
Coordinates
53.04141, -4.04653
Source
Cadw listing

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

Description

Hafod-y-Llan is a two-storey farmhouse with an integral storeyed stable bay on the right side. The house features a three-window range, with an additional window above the stable bay. It is constructed of whitened rubble and has a continuous slate roof with plain end chimneys on the house section, along with weathercoursing. The central entrance to the house has a boarded door and a late 19th-century slated canopy porch. On the left, there is a 15-pane early to mid-19th-century unhorned sash window, while on the right, there is a later 19th-century six-pane sash window. The far right bay has an open stable entrance, and there are four 16-pane unhorned sashes on the first floor, similar to the others. There is external stone-stepped access to a first-floor entrance on the right gable of the stable, which has a boarded door. At the rear, there is a full-length contemporary outshut with modern plain-glazed windows, and a modern WC addition is attached to the left gable of the house.

The farmhouse has a two-unit plan with a central entrance. Inside, the former hall on the left has a slate-flagged floor. To the right of the entrance, there is a post-and-panel partition, with plain beams and joists. The hall fireplace features a chamfered, cambered bressummer and a bracketed mantelshelf. The interior includes boarded doors and an inner partition to the left of the entrance. A plain 19th-century stick baluster dog-leg stair leads off from the hall, with a boarded underside.

Local climate

Hafod-y-Llan sits in one of the wettest parts of the UK, with an average of 1,440 mm of rain a year. This makes it wetter than 98% 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 40 freeze-thaw cycles a year, more than 78% of listed buildings. Of these, 22 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
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  • Weather exposure and heating demand — rain and frost month by month and year by year, wind direction, solar and humidity
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  7. Field Cowhouse NE of Llyndy Isaf Grade II 1.2 km
  8. Agricultural Range W of Hafod Lwyfog Grade II 2.3 km
  9. 'Roman Bridge' over the Afon Glaslyn Grade II 2.4 km
  10. Hafod Lwyfog Grade II* 2.5 km