Greenhouse attached to Kitchen Garden at Merthyr Mawr House is a Grade II listed building in the Bridgend local planning authority area, Wales. First listed on 29 January 1999. Greenhouse.

Greenhouse attached to Kitchen Garden at Merthyr Mawr House

WRENN ID
heavy-cloister-thunder
Grade
II
Local Planning Authority
Bridgend
Constituency
Bridgend MP: Chris Elmore (Lab)
Country
Wales
Date first listed
29 January 1999
Type
Greenhouse
OS grid reference
SS 889 779
Coordinates
51.4897, -3.60077
Source
Cadw listing

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

Description

The greenhouse attached to the Kitchen Garden at Merthyr Mawr House is built against the south wall of the garden on a sloping site. It features a brick plinth with vine arches. The structure has an asymmetrical gable made of curved cast iron trusses and curved glass. At the lower eastern end, there are brick steps that lead up to a half-lit boarded door.

Inside, the greenhouse retains its original fittings. There is a door that connects to the kitchen garden, which was inserted in 1900 and features a segmental head.

Local climate

Greenhouse attached to Kitchen Garden at Merthyr Mawr House sits in one of the wettest parts of the UK, with an average of 1,190 mm of rain a year. This makes it wetter than 91% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 95% of listed buildings.

It experiences an average of 18 freeze-thaw cycles a year, fewer than 83% of listed buildings. Of these, 6 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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  • Detailed attributes — period, style, materials, features
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  • 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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Nearby listed buildings

  1. Stable block at Merthyr Mawr House Grade II 38 m
  2. Walls to Kitchen Garden at Merthyr Mawr House Grade II 50 m
  3. Vehicle store and workshops at Merthyr Mawr House Grade II 58 m
  4. Gate Piers to Service Court and Attached Walls at Merthyr Mawr House Grade II 66 m
  5. Merthyr Mawr House Grade II* 78 m
  6. South Terrace and Revetment at Merthyr Mawr House Grade II 101 m
  7. Lower Revetment and steps at Merthyr Mawr House Grade II 103 m
  8. Chapel of St Roque Grade II 147 m
  9. New Bridge Grade II* 197 m
  10. Gate, Gatepiers and Gate Posts at the entrance to Merthyr Mawr House Grade II 377 m