Lock Gates and Paddle Gear is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 5 April 1993. Lock gates and paddle gear.

Lock Gates and Paddle Gear

WRENN ID
sunken-panel-larch
Grade
II
Local Planning Authority
Powys
Constituency
Montgomeryshire and Glyndwr MP: Steve Witherden (Lab)
Country
Wales
Date first listed
5 April 1993
Type
Lock gates and paddle gear
Address
Lock Gates and Paddle Gear, Carreghofa
OS grid reference
SJ 253 202
Coordinates
52.77442, -3.1077
Source
Cadw listing

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

Description

The lock gates and paddle gear are located at a curved, splayed east entry from the Ellesmere Canal, with a feeder entry to the north. The structure features massive stonework quaysides with ironwork fenders and curved insets for former ironwork gates. Next to the single replacement lock gate is a notable example of Buck's patented paddle gear, which is set into a stonework surround. This paddle gear includes a pyramidal flanged ironwork frame with arched braces and rear brackets for the winding handle. It also has a toothed drive wheel with a V-shaped pivoting arm that is linked to sluices in the lock floor.

The stonework quaysides lead to the lock chamber, which has double replacement gates that close off the west end. There are ironwork vertical sluices connected to timber gates. At the west end, the stonework revetments are faced with brickwork, and there are recessed stone stairs on the north side that descend to a sinuous masonry catwalk below the embankment. A small rubble-faced dock curves to the west to rejoin the canal line above Bridge 95. Additionally, there is an arched brick culvert adjacent to the steps and an old ironwork bollard on the north side.

Local climate

Lock Gates and Paddle Gear receives an average of 850 mm of rain a year. This makes it wetter than 58% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 66% of listed buildings.

It experiences an average of 41 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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Nearby listed buildings

  1. Lower Lock Chamber to W of No 1 THe Locks Grade II 12 m
  2. Lower Lock Chamber Grade II 18 m
  3. By-Pass Culvert and Overflow Grade II 40 m
  4. Former Wharfinger's House including brick boundary wall to road Grade II 46 m
  5. Lock Gates and Paddle Gear Grade II 51 m
  6. Pigsty with Walled Pen to E of No 1 The Locks Grade II 63 m
  7. Toll Gauger's Hut to E of No 1 The Locks Grade II 80 m
  8. Upper Lock Chamber Grade II 83 m
  9. By-Pass Pond and Spillway with Sluice-Gate to south of upper lock chamber Grade II 91 m
  10. Four-Arch Aqueduct over Vyrnwy Flood Plain (Northern Arches) New Bridge Vyrnwy Grade II 254 m