Walled garden at Glyn Cywarch is a Grade II listed building in the Snowdonia National Park local planning authority area, Wales. First listed on 30 December 2004. Walled garden. 3 related planning applications.

Walled garden at Glyn Cywarch

WRENN ID
leaning-moat-vetch
Grade
II
Local Planning Authority
Snowdonia National Park
Constituency
Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
Country
Wales
Date first listed
30 December 2004
Type
Walled garden
Address
Walled garden at Glyn Cywarch, Talsarnau, Gwynedd, LL47 6TE
OS grid reference
SH 608 342
Coordinates
52.8874, -4.06939
Source
Cadw listing

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

Description

The walled garden at Glyn Cywarch features walls made of mortared rubble masonry, incorporating various materials, and standing between 2 to 2.5 meters high. The main entrance is located at the northwest corner, accessed through a wrought iron gate mounted on stone pillars made from a single stone with an integral ball finial. Steps lead down from the terrace into the garden. Additional entrances can be found in the east corner from the gatehouse courtyard, in the northwest wall from the glass house area, and at the end of the central path leading to the tennis court in the southwest.

Surrounding the entrance in the east corner are several buildings. At the easternmost end of the northeast wall, there is a two-storey building constructed of mortared rubble masonry with a slate roof featuring advanced eaves. This building consists of two parts; the left part (northwest) serves as a store with a single doorway and a small two-paned light offset to the left, along with blocked windows on the rear elevation. The right part was likely used as a bothy, featuring ground and first-floor windows, with the upper floor showcasing a 12-pane light set in a gable dormer that interrupts the eaves line. Access to this part is through the stable wing of the gatehouse range.

Local climate

Walled garden at Glyn Cywarch sits in one of the wettest parts of the UK, with an average of 1,490 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 97% of listed buildings.

It experiences an average of 32 freeze-thaw cycles a year, fewer than 60% of listed buildings. Of these, 15 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.
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  • Related listed building consents — 3 applications
  • 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. Gatehouse at Glyn Cywarch Grade II* 55 m
  2. Glyn Cywarch Grade II* 63 m
  3. Estate Yard Range (2) at Glyn Cywarch Grade II 104 m
  4. Estate Yard Range (1) at Glyn Cywarch Grade II 140 m
  5. Glyn Cottage Grade II 169 m
  6. Gateposts and gates at Gefail y Cwm Grade II 349 m
  7. Gefail y Cwm Grade II 372 m
  8. Tower at Glyn Cywarch Grade II 432 m
  9. Bridge to SW of Rhosigor Grade II 474 m
  10. Tyddyn Sion Wyn Grade II 500 m