Osbaston House is a Grade II listed building in the Monmouthshire local planning authority area, Wales. First listed on 15 August 1974. House. 3 related planning applications.

Osbaston House

WRENN ID
shifting-courtyard-marsh
Grade
II
Local Planning Authority
Monmouthshire
Constituency
Monmouthshire MP: Catherine Fookes (Lab)
Country
Wales
Date first listed
15 August 1974
Type
House
Address
Osbaston House, Monmouth, NP25 5DL
OS grid reference
SO 501 140
Coordinates
51.82259, -2.72534
Source
Cadw listing

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

Description

Osbaston House is a late 18th-century house, originally of a double-depth central entrance plan. The main block is two storeys high with a symmetrical front of three windows, completely faced in stucco and painted, and covered by a Welsh slate roof. A late 20th-century glazed porch with a plain door now sits centrally at the front, flanked by six-over-six pane sash windows on both the ground and first floors. The roof is hipped with two painted ridge stacks. A single bay wing has been added to the right, with a one-and-a-half storeys, featuring a six-over-six sash window below and modern small-paned casements in the roof and right return. To the left is a single-storey wing with two three-light windows and a door, and a clock turret rises from the ridge. This wing connects to a two-storey coach house with casement windows and a hipped roof.

The garden front of the main block has the central bay stepped forward under a barge-boarded gable. The central ground-floor window is a six-over-nine pane sash acting as a doorway to the garden, sheltered by a tented canopy; the other windows on this front are sashes as previously described. The interior was not inspected during a recent survey.

Local climate

Osbaston 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 — 5 transactions since 1995
  • Related listed building consents — 3 applications
  • 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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  6. 13 Hereford Road Grade II 1.0 km
  7. 11 Hereford Road Grade II 1.0 km
  8. Telephone Call-box outside Nos.11 and 13 Grade II 1.0 km
  9. Entrance Screen, Gates and Gatepiers to Haberdashers' Monmouth School for Girls Grade II 1.1 km
  10. 20 Hereford Road Grade II 1.1 km