Gatehouse to Ty Mawr is a Grade II* listed building in the Monmouthshire local planning authority area, Wales. First listed on 19 November 1953. House.
Gatehouse to Ty Mawr
- WRENN ID
- gentle-pewter-rye
- Grade
- II*
- Local Planning Authority
- Monmouthshire
- Constituency
- Monmouthshire MP: Catherine Fookes (Lab)
- Country
- Wales
- Date first listed
- 19 November 1953
- Type
- House
- Address
- Gatehouse to Ty Mawr, Dingestow, Monmouth, Mitchel Troy
- OS grid reference
- SO 437 099
- Coordinates
- 51.78519, -2.81641
- Source
- Cadw listing
Description
The Gatehouse to Ty Mawr is a Grade II* listed building made of red handmade brick, featuring a steeply-pitched cross-gabled stone slate roof that gives it a jewel-like appearance. It has a square single-cell plan and stands two storeys tall, with the lower storey entirely taken up by a very shallow basket-arched entry.
The south front showcases bricks of a uniformly warm red hue laid in Flemish bond. It includes a segmental-headed two-light casement window on the upper floor, which has been renewed with diamond-lattice glazing. Above the left corner of the archway is an S-shaped tie-plate, and the building features moulded barge-boarding with an apex pendant, which is an extremely unusual survival.
The brickwork on the west side and rear is less uniform in color and bonding compared to the front, but the gables also have bargeboarding and pendants similar to those on the front. The west side includes a segmental-headed loft doorway that is accessed by a flight of steps at right angles. On the upper floor of the rear, there is a segmental-headed window containing what appears to be an original wooden two-light window, featuring a saddle bar in one light.
The east side is currently covered by the milkhouse that is attached to the brick barn to the east.
Local climate
Gatehouse to Ty Mawr receives an average of 850 mm of rain a year. This makes it wetter than 60% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 61% of listed buildings.
It experiences an average of 41 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
- No sale records on file
- 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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