Weir in Middleton Park is a Grade II listed building in the Carmarthenshire local planning authority area, Wales. First listed on 19 May 1999. Weir.

Weir in Middleton Park

WRENN ID
small-trefoil-twilight
Grade
II
Local Planning Authority
Carmarthenshire
Constituency
Caerfyrddin MP: Ann Davies (PC)
Country
Wales
Date first listed
19 May 1999
Type
Weir
Address
Weir in Middleton Park, Carmarthen, Llanarthney
OS grid reference
SN 531 186
Coordinates
51.84709, -4.1329
Source
Cadw listing

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

Description

The weir in Middleton Park is a small waterfall set between rubble masonry banks, with the stream flowing over a double weir. The waterfall has a drop of about 2 meters. The main weir has been restored using concrete, with stones set flush into the surface. The structure is intricate, featuring a circular opening in the face of the weir. At the back of the structure, there is a water channel flanked by 2-meter-high walls that curve in a picturesque manner. Additionally, there is a large socket in the north side wall face.

Local climate

Weir in Middleton Park sits in one of the wettest parts of the UK, with an average of 1,390 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 97% of listed buildings.

It experiences an average of 28 freeze-thaw cycles a year, fewer than 70% 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.

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Nearby listed buildings

  1. Bridge above Waterfall in Middleton Park Grade II 130 m
  2. Pont Felin-gât Grade II 533 m
  3. Dôlgwynon (also known as Gwynon Dale). Grade II 638 m
  4. Tower Lodge Grade II 889 m
  5. The Nelson Monument (also known as Paxton's Tower). Grade II* 1.0 km
  6. Service Yard and Gateway of Middleton Hall Grade II 1.1 km
  7. Stable Block of Middleton Hall Grade II 1.1 km
  8. Clearbrook Lodge and Meadow Cottage (at Clearbrook) Grade II 1.1 km
  9. Rear stable block of Middleton Hall Grade II 1.1 km
  10. Capel-y-dolau C. M. Chapel (also known as Capel-y-ddôl). Grade II 1.3 km