Robeston House is a Grade II listed building in the Pembrokeshire local planning authority area, Wales. First listed on 11 August 1997. House.

Robeston House

WRENN ID
silent-cloister-sunrise
Grade
II
Local Planning Authority
Pembrokeshire
Constituency
Mid and South Pembrokeshire MP: Henry Tufnell (Lab)
Country
Wales
Date first listed
11 August 1997
Type
House
Address
Robeston House, Robeston Wathen, Llawhaden
OS grid reference
SN 085 157
Coordinates
51.80775, -4.77907
Source
Cadw listing

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

Description

Robeston House is a building with a complex history, largely dating to the Regency period (early 19th century) with older elements incorporated. The main block faces east towards the gardens, displaying a formal design, while a longer wing extends to the west. The house’s overall plan is described as "straggling," reflecting the combination of these different phases of construction. The exterior is generally rendered, with low-pitch hipped roofs and dormer windows at the rear and side.

The front of the Regency block was originally rendered and rusticated, though by 1996 only a band near the eaves and around the bay window retained the render. The left side elevation is slate-hung, while the right side is rendered. The front elevation features two storeys and three windows, with double brackets at the eaves. The windows are primarily twelve-pane, with hornless sashes in recessed frames; one is a modern replacement. A prominent, projecting bay window, added in the mid-19th century, is located on the right, and a mid-19th century French window (also with a hornless sash) sits centrally, designed to allow the sashes to be pushed back and fully opened. A porch formerly stood in front of this French window.

The rear wing, facing the access drive, is symmetrically arranged, with a projecting, hipped bay designed to balance the front of the house. This part of the wing has four windows, mainly hornless sashes; two are tall, pointed windows near the staircases. A mid-19th century chimney is present, and the roof is slate. A further block extends to the west, parallel to the main block, creating a general "H" shape to the house. This western block has a two-window elevation.

Around the early 19th century, a two-storey block was added to the north, now used as a cottage. This addition is unrendered and features replacement windows. Minor, single-storey extensions from the 20th century are located north of the main front block. A patent-glazing porch on the south side is believed to be an early contract from the company of Messrs Crittalls.

The interior of the Regency front block is well-preserved, with main rooms facing the garden and access provided from the rear. The Drawing room has unusual double doors with a folding central style. The rear of the Regency section reveals an unusual staircase, built on the site of a remnant from the earlier house. This staircase is timber, with oak treads and risers and a cantilevered construction – without a string to support the outer edge, seemingly designed like stone stairs. The handrail is supported by three square balusters per tread, carved in short sections with the grain running across the rail and coiling at a curtail step. The staircase has two flights: the lower flight is enclosed on one side, providing full support, while the upper flight is open. Supporting posts have been added later as a safety measure.

Local climate

Robeston House sits in a wetter-than-average part of the UK, with an average of 1,130 mm of rain a year. This makes it wetter than 88% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 95% of listed buildings.

It experiences an average of 9 freeze-thaw cycles a year, fewer than 92% of listed buildings. Of these, 3 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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  2. Rock Well Grade II 165 m
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  5. Milestone Grade II 1.6 km
  6. Llawhaden Bridge and River Bank Wall Grade II* 1.8 km
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  8. Sodstone Manor Grade II 1.9 km
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