Main Gateway & Flanking Walls and Terrace at Castle Hall House is a Grade II listed building in the Pembrokeshire local planning authority area, Wales. First listed on 24 April 1991. Watch tower.

Main Gateway & Flanking Walls and Terrace at Castle Hall House

WRENN ID
long-jamb-bramble
Grade
II
Local Planning Authority
Pembrokeshire
Constituency
Mid and South Pembrokeshire MP: Henry Tufnell (Lab)
Country
Wales
Date first listed
24 April 1991
Type
Watch tower
Address
Main Gateway & Flanking Walls and Terrace at Castle Hall House, Milford Haven
OS grid reference
SM 918 058
Coordinates
51.71302, -5.01455
Source
Cadw listing

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

Description

The Main Gateway and Flanking Walls and Terrace at Castle Hall House is a notable structure featuring a wide rubble stone carriage arch with a depressed arch head and cut stone voussoirs. The inner jambs are rebated with pintles for gate hinges. To the left of the main arch is a small pedestrian arch that has a similar head. The wallhead is covered in creepers and steps down to the left before returning eastward. To the right of the main arch, a full-height wall returns westward to flank the driveway, which has three low depressed-arched openings of unknown purpose, before returning south. Behind this is a terraced embankment that may have supported an earlier driveway, resting on four arched vaults with brick undersides and rubble facing. The left vault contains the remains of a circular opening, possibly for a well.

Local climate

Main Gateway & Flanking Walls and Terrace at Castle Hall House sits in a wetter-than-average part of the UK, with an average of 1,140 mm of rain a year. This makes it wetter than 89% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 98% of listed buildings.

It experiences an average of 2 freeze-thaw cycles a year, fewer than 99% of listed buildings. Of these, 1 follows 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. Arched entry Flanking Driveway at E.Side of Castle Hall House Grade II 74 m
  2. Arched Entry to S.of Castle Hall House Grade II 95 m
  3. Stable Block at Castle Hall Grade II 106 m
  4. One of two linked terraced Garden Buildings on N.Side of Park at Castle Hall Grade II 123 m
  5. One of two linked Terraced Garden Buildings on N.Side of Park at Castle Hall Grade II 138 m
  6. Castle Hall Lodge Grade II 176 m
  7. Barn at Castle Hall Farm Grade II 196 m
  8. Black Bridge Grade II 227 m
  9. Limekiln near Castle Pill Grade II 496 m
  10. Range of outbuildings on W.Side of Farmyard at Castle Pill Farm Grade II 648 m