The Post Office is a Grade II listed building in the Carmarthenshire local planning authority area, Wales. First listed on 12 March 1992. Shop.

The Post Office

WRENN ID
vast-merlon-rush
Grade
II
Local Planning Authority
Carmarthenshire
Constituency
Llanelli MP: Dame Nia Griffith (Lab)
Country
Wales
Date first listed
12 March 1992
Type
Shop
Address
The Post Office, Llanelli
OS grid reference
SN 505 001
Coordinates
51.68055, -4.16332
Source
Cadw listing

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

Description

The Post Office is a monumental three-storey building with a slightly curving five-bay front, arranged in a 1-3-1 pattern with projected outer bays. The ground floor is constructed of ashlar stone, featuring a moulded plinth and arched windows in the outer bays that are recessed within arches, complete with large curved keystones. The plinth moulding steps back, and there are stone sills. The central section has a sash window on each side of the door, with small-paned windows set in recessed bolection-moulded surrounds, which include apron panels below the sills and triple keystones.

The central doorcase, made of Portland stone, is prominently bolection moulded and features panelled piers beneath richly carved brackets that support an open segmental pediment. The doorcase includes a scroll keystone that rises to a pediment cartouche monogrammed 'GáVáR', flanked by carved cornucopia. The original door has been replaced by a window. Above the raised band, the upper floors are built of red brick with flush quoins in ashlar on the outer bays, ashlar window surrounds, a large modillion cornice, and a parapet that steps up over the outer bays.

The first floor has 24-pane sash windows, with the central three featuring architraves, flat cornices on brackets, and moulded sills embraced by architraves. The outer windows are similar but more elaborate, showcasing bow-fronted apron panels, triple keystones, and open pediments on carved festooned brackets. The upper floor contains three 16-pane sash windows in the centre, with architraves that break into the base of the upper cornice, triple keystones, and apron panels. The outer bays are adorned with ornate bulls-eye windows featuring draped festoons.

On the John Street elevation, there is a one-window bay that repeats the motifs of the outer bays of the west front, along with a concave southwest angle, all constructed in ashlar. The ground floor features a convex bay window with a bolection moulded sash window. There is also a 1966 addition.

At the north end, there is a utilitarian red brick structure and a screen wall that includes two large ashlar corniced gatepiers topped with ball finials, along with panelled double gates. The brick wall on each side is now rendered and features stone coping.

Local climate

The Post Office sits in one of the wettest parts of the UK, with an average of 1,430 mm of rain a year. This makes it wetter than 98% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 99% of listed buildings.

It experiences an average of 10 freeze-thaw cycles a year, fewer than 91% 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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  • Full EPC report — heating system, energy costs, size, glazing, construction etc.
  • Sale history — 1 transaction since 2020
  • 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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