Melyn Synod, Synod Mill is a Grade II listed building in the Ceredigion local planning authority area, Wales. First listed on 25 February 1993. House.

Melyn Synod, Synod Mill

WRENN ID
seventh-chimney-yarrow
Grade
II
Local Planning Authority
Ceredigion
Constituency
Ceredigion Preseli MP: Ben Lake (PC)
Country
Wales
Date first listed
25 February 1993
Type
House
Address
Melyn Synod, Synod Mill, Llanllwchaiarn
OS grid reference
SN 390 546
Coordinates
52.16668, -4.355
Source
Cadw listing

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

Description

Melyn Synod, also known as Synod Mill, is a water mill constructed from rubble stone with some brick elements, topped with a slate eaves roof and featuring a stack at the left end. The building stands two storeys high and has a three-window arrangement of small-paned casement pairs with cambered brick heads, where the bricks are laid in header courses. The windows have slate sills. On the ground floor, there is a French window on the left and a single casement on the right. The mill also includes three 20th-century eaves dormers.

The west end wall features a two-window range of similar windows to those on the main floors, along with one casement pair for the loft. The east end wall showcases a large 16-foot iron water wheel, originally designed as overshot, which was made by Bridgend Foundry in Cardigan. There is also a casement pair for the loft on this side. At the rear, the ground level aligns with the first floor equivalent, which includes a window, a French window, and a 20th-century conservatory.

Local climate

Melyn Synod, Synod Mill sits in one of the wettest parts of the UK, with an average of 1,240 mm of rain a year. This makes it wetter than 92% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 93% of listed buildings.

It experiences an average of 21 freeze-thaw cycles a year, fewer than 78% of listed buildings. Of these, 9 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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