Henllan is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 19 September 2002. House.

Henllan

WRENN ID
iron-spindle-lichen
Grade
II
Local Planning Authority
Powys
Constituency
Montgomeryshire and Glyndwr MP: Steve Witherden (Lab)
Country
Wales
Date first listed
19 September 2002
Type
House
Address
Henllan, Llangynyw, Llangyniew
OS grid reference
SJ 131 091
Coordinates
52.67271, -3.28527
Source
Cadw listing

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

Description

Henllan is a house located downslope, with its north gable facing the road. Much of the exterior has been rebuilt or repaired using modern materials, but timber framing remains on the east side, resting on a rubble stonework plinth. Other sides are finished in brick, rendered, or sheeted, topped with an artificial slate roof that includes rooflights and two dormers on the east side, along with a small brick chimney.

The house consists of four units and features a large inserted chimney positioned centrally. To the south, there is a hall and inner rooms separated by post and panel partitioning, while the north side contains an early cross passage and a large outer room currently used for farming purposes. Three crucks are visible on the ground floor, and there may be more upstairs, although they are boxed in. The Royal Commission has noted features such as open-roof timbering with gable smoke vents, signs of a dais canopy, and a timber-framed fireplace with post and panel partitioning at its rear, which forms the inner service rooms at the lower end.

Local climate

Henllan receives an average of 950 mm of rain a year. This makes it wetter than 73% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 67% of listed buildings.

It experiences an average of 39 freeze-thaw cycles a year, more than 76% of listed buildings. Of these, 20 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. Farm building at Henllan Grade II 32 m
  2. Henllan-fach Grade II 395 m
  3. Ffordd Banwy (Old Rectory) Grade II 462 m
  4. Church of St Cynyw Grade II* 480 m
  5. Ty-mawr Farmhouse Grade II 652 m
  6. Heniarth Mill Grade II 1.4 km
  7. Tanhouse Bridge Grade II 1.6 km
  8. Tan-y-ffridd Grade II 1.6 km
  9. Melin Dol-rhyd Grade II 2.1 km
  10. New Bridge Einion Grade II 2.5 km