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

The Gatehouse

WRENN ID
weathered-chimney-bittern
Grade
II
Local Planning Authority
Monmouthshire
Constituency
Monmouthshire MP: Catherine Fookes (Lab)
Country
Wales
Date first listed
15 August 1974
Type
Commercial
Address
The Gatehouse, 11 Monk Street, Monmouth, NP25 3NZ
OS grid reference
SO 509 131
Coordinates
51.81452, -2.7129
Source
Cadw listing

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

Description

The Gatehouse is a three-storey building, roughcast but designed to resemble stone, with a plinth and a roof that is not visible from the street. It features two bays, with the left bay set forward and the entrance located on the right side. On the ground floor, there is a tripartite sash window with 6 over 9 panes to the left, and to the right, a doorway framed by two Greek Doric columns in antis, leading to a recessed arched doorway with a six-panel door, of which the top four panels are glazed. Above the doorway is a fanlight, and there are five steps leading up to it. A small sash window with marginal glazing is located on the left within the porch.

The first floor has a tripartite sash window with 9 over 9 panes to the left and a projecting canted oriel window on the right, which is believed to have been added between 1919 and 1939. This oriel features 9 over 9 sashes flanked by 6 over 6 sashes. The second floor contains two tripartite sashes with 3 over 6 panes. There is a modillion cornice and a parapet stack with a moulded cap on the left gable. The left return of the building has a narrow sash window with marginal glazing on each floor, similar to those in the porch, likely dating from around 1900. The rear elevation has not been seen.

Inside, the building has undergone alterations in the 19th and 20th centuries, but it still retains some 18th and 19th-century joinery and plasterwork. A notable feature is the fine top-lit open-well staircase, which appears to date from the mid-18th century. This staircase includes a panelled dado, a ramped moulded pine handrail, and two turned balusters with knops on each step. A rear extension was added around 1987.

Local climate

The Gatehouse 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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  • No EPC on record for this property
  • Sale history — 2 transactions since 1999
  • 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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