Merchant House is a Grade II listed building in the Monmouthshire local planning authority area, Wales. First listed on 15 August 1974. House. 1 related planning application.

Merchant House

WRENN ID
lapsed-panel-fen
Grade
II
Local Planning Authority
Monmouthshire
Constituency
Monmouthshire MP: Catherine Fookes (Lab)
Country
Wales
Date first listed
15 August 1974
Type
House
Address
Merchant House, 13 Whitecross Street, Monmouth, NP25 3BY
OS grid reference
SO 509 129
Coordinates
51.81291, -2.71348
Source
Cadw listing

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

Description

The Merchant House is a two-storey, two-window building, likely dating from the 18th century, constructed with painted stucco over brick and covered by a Welsh slate roof. It has a single-fronted, double-depth plan. The ground floor is distinguished by a cornice and a doorcase featuring two attached Doric columns on the right side. The entrance is via a six-panel door with narrow side lights and a transom light. A tripartite sash window with vertical glazing bars is located to the left, featuring a cill on brackets and large corbel brackets projecting from the cornice above the window head. The first floor mirrors this design with a similar window above and a round-headed window above the door, incorporating three panes over three, with a decorative key stone and impost scrolls. A bracketed eaves cornice runs along the building. The roof has a low pitch, with brick stacks positioned on both front slopes, indicating the double-depth plan. Identical stacks are visible on the rear slopes. The rear elevation is rendered and has three-light windows. The interior of the building was not inspected during the most recent survey.

Local climate

Merchant House receives an average of 820 mm of rain a year. This makes it wetter than 52% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 57% of listed buildings.

It experiences an average of 42 freeze-thaw cycles a year, more than 80% of listed buildings. Of these, 19 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 2025
  • Related listed building consents — 1 application
  • 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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