Llwyndu Guest House is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 27 November 1986. House.

Llwyndu Guest House

WRENN ID
slow-column-violet
Grade
II
Local Planning Authority
Gwynedd
Constituency
Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
Country
Wales
Date first listed
27 November 1986
Type
House
Address
Llwyndu Guest House, Llanaber, Barmouth
OS grid reference
SH 600 185
Coordinates
52.74634, -4.07515
Source
Cadw listing

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

Description

Llwyndu Guest House is a 2-storey building constructed of rubble with a slate roof. It features plain kneelered rubble gable parapets and tall end chimneys, with the right chimney having contemporary stone capping and the left chimney featuring a 19th-century upper section. The facade is rendered and whitened, displaying later irregular fenestration. On the first floor, there are three recessed 12-pane sash windows, and to the extreme left, there is a narrow original window with an off-set timber mullion. The ground floor has modern small-paned windows, along with a narrow masonry projection beside the left window. An off-centre pitched-roofed modern porch covers the original crude arched entrance, which includes a 19th-century boarded arched door with an arched 3-pane top light. The property has curved forecourt walls and similar small original windows on the gable ends, with the right gable featuring later buttressing. At the rear, there is a cross-range, likely from the mid-19th century, with a rendered gable end and stone stepped access to the first floor. A boarded door on the left gable leads to the remains of the originally internal stone newel stair to the hall.

Inside, there is a cross-passage with a modern post-and-panel screen, leading to a hall on the left and a parlour on the right. Both rooms have deep inglenook fireplaces and newel stairs, with the stair to the hall being blocked. The ceilings feature stopped-chamfered beams. There is a narrow 19th-century dog-leg stair, now boxed-in beside the passage. The upper left room has a fireplace bressummer with an adjacent garderobe within the thickness of the stack.

Local climate

Llwyndu Guest House sits in one of the wettest parts of the UK, with an average of 1,410 mm of rain a year. This makes it wetter than 97% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 95% of listed buildings.

It experiences an average of 26 freeze-thaw cycles a year, fewer than 72% of listed buildings. Of these, 11 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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  • 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. Long Barn Range at Llwyndu, including attached Small Range at S End Grade II 14 m
  2. Dower House at Llwyndu Grade II* 18 m
  3. Former Watermill at Llwyndu Grade II 26 m
  4. Former Cowhouse at Llwyndu Grade II 34 m
  5. Milepost Grade II 195 m
  6. Secondary House at Plas Canol ('The Bothy') Grade II 441 m
  7. Plas Canol Grade II* 448 m
  8. Parish Church of Saint Mary and Saint Bodfan Grade I 526 m
  9. Barn at Hendre Coed Isaf Grade II 693 m
  10. Former Domestic/Stable Block ar Hendre Coed Isaf Grade II 702 m