Alltycham House is a Grade II listed building in the Neath Port Talbot local planning authority area, Wales. First listed on 13 March 2003. Villa.

Alltycham House

WRENN ID
standing-wattle-azure
Grade
II
Local Planning Authority
Neath Port Talbot
Constituency
Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
Country
Wales
Date first listed
13 March 2003
Type
Villa
Address
Alltycham House, Swansea, Pontardawe
OS grid reference
SN 722 047
Coordinates
51.72705, -3.85153
Source
Cadw listing

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

Description

Alltycham House is a villa dating from the 19th century, featuring painted stucco, a slate eaves roof, and brick stacks. The building stands two storeys high with a three-window front and a renewed chimney at the right end. It has large 16-pane sash windows with moulded architraves and cornices on console brackets for the ground floor windows. The central entrance has a half-glazed door with an overlight, set within a large stuccoed Roman Doric porch that includes two columns, pilaster responds, and a cornice adorned with a triglyph and rosette frieze. A stone plinth supports the structure.

The left end wall features a large stucco bay window with an arrangement of 8-16-8-pane sashes, along with a 16-pane sash window above. The right end wall has an added lean-to that includes a 20th-century sash window at the front. To the left of the left end gable, there is a rear wing that originally had a two-window range, but the left half is now a separate property. The right part of the rear wing has a large 16-pane sash window with additional marginal panes, positioned above a French window with small panes and a lozenge design in the centre of each door. A lean-to veranda supported by an iron column is also present. The back of the rear wing features a long 15-pane stair light, while the back of the right side of the main range has an earlier 20th-century addition.

Inside, the villa boasts a spacious layout with panelled doors, deep skirtings, moulded cornices, and panelled shutters. The staircase is designed with scrolled tread ends, slim turned balusters, and a continuous thin rail. The main rooms display embossed paper Art Nouveau friezes from around 1900 to 1910. The front door is fitted with panelled shutters on the top half, and the entrance hall features ceilings divided into two square panels with corbels in between. The drawing room on the left has large panelled shutters for the bay window, an Art Nouveau frieze that is a late 20th-century plaster copy of the original in the Music Room, and a marble fireplace. The Music Room to the right includes an Art Nouveau frieze and embossed paper ceiling decoration, along with a 20th-century fireplace. The rear kitchen has panelled reveals at the deep entrance, a simple cornice, and French windows with shutters. There is access to a cellar under the stairs.

On the first floor, there is a large bedroom at each end and a smaller room in between. Each bedroom has fireplaces with grates and tiles; the corner bedroom features an Art Nouveau grate. The bedroom above the kitchen includes a fireplace with curved-ended panels and corner roundels, as well as a grate with tiles.

Local climate

Alltycham House sits in one of the wettest parts of the UK, with an average of 1,400 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 21 freeze-thaw cycles a year, fewer than 78% of listed buildings. Of these, 8 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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  • No EPC on record for this property
  • Sale history — 3 transactions since 1996
  • No related consent applications matched
  • Detailed attributes — period, style, materials, features
  • Flood risk assessment
  • Radon risk assessment
  • Weather exposure and heating demand — rain and frost month by month and year by year, wind direction, solar and humidity
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