History in Structure

Greenhouse at High Glanau

A Grade II Listed Building in Mitchel Troy, Monmouthshire

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Coordinates

Latitude: 51.7624 / 51°45'44"N

Longitude: -2.7286 / 2°43'42"W

OS Eastings: 349814

OS Northings: 207331

OS Grid: SO498073

Mapcode National: GBR JK.00CW

Mapcode Global: VH870.NYCT

Plus Code: 9C3VQ76C+XH

Entry Name: Greenhouse at High Glanau

Listing Date: 27 September 2001

Last Amended: 27 September 2001

Grade: II

Source: Cadw

Source ID: 25755

Building Class: Gardens, Parks and Urban Spaces

ID on this website: 300025755

Location: Approximately 5m S of Garden Wall to S of High Glanau

County: Monmouthshire

Town: Monmouth

Community: Mitchel Troy (Llanfihangel Troddi)

Community: Mitchel Troy

Traditional County: Monmouthshire

Tagged with: Architectural structure

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Mitchel Troy

History

Almost certainly contemporary with High Glanau, i.e. 1922-23.

Exterior

A very well designed greenhouse of medium size, recently restored. It is about 11m long and 4m wide, on an E-W axis, entered at the W end, and internally divided into 2 cells which can be managed independently of one another. The base is sandstone rubble finished with 2 courses of red brick, the main structure consisting of a light wooden frame providing a pitched roof of 4 4 structural bays with glazed sides and roof. Each bay of the roof is divided by intermediate glazing bars and a light mid-rail into 8 lights (4 above and 4 below the rail), each light having 3 glass panes. Except for the bottom row, each of these has a convex lower edge overlapping the one below, so that rainwater runs down the centre instead of beside the glazing bars. (This provides a self-contained water collection system, water draining from the gutters into a sump inside each half of the structure to maintain humidity.) The side walls are one pane deep, consisting of 4 long top-hung casements to each side (2 in each half). The top of the N slope of the roof has similar top-hung casements. The gable ends have vertical glazing bars only, and in the W end is a part-glazed door.

Interior

There is a glazed internal partition enabling the micro-environment of each half of the structure to be controlled independently. The ventilation is worked by a system of levers, rods and cogged wheels by which the top-hung casements in each part are opened and closed. Hot water pipes running along the beds on each side are heated by a boiler in one corner. In the W half is a high 2-level slatted table which appears to be original.

Reasons for Listing

Included both for group value with other items at High Glanau, and on its own merits as an excellent example of an intelligently designed greenhouse.

External Links

External links are from the relevant listing authority and, where applicable, Wikidata. Wikidata IDs may be related buildings as well as this specific building. If you want to add or update a link, you will need to do so by editing the Wikidata entry.

Recommended Books

Other nearby listed buildings

  • II Garden Wall and Pergola at High Glanau
    To S of the house reached along a broad, tree-lined path, formerly with herbaceous borders, divides the lawns and informal gardens from the kitchen garden and greenhouses.
  • II* Terraces at High Glanau
    Off the W side of the road, approached along a wooded drive on Trellech Hill, immediately on the W side of the house.
  • II* High Glanau
    Off the W side of the road, approached along a wooded drive on Trellech Hill, and set in its own grounds. On a levelled site with sloping lawns to either side and spectacular views to west.
  • II Garage at High Glanau
    Approached down wooded drive; the house is set in its own grounds. To NE of house.
  • II Gardener's Cottage at High Glanau
    Above and to NE of the house which is set in its own wooded grounds. The cottage lies between the upper and lower drives.
  • II Glanau Farm, Barn to S of
    About 20m S of Glanau Farmhouse, in an elevated position on the W facing slope of hills overlooking Cwmcarvan; reached by a track which runs S past High Glanau and then angles back sharply northward,
  • II Glanau Farm
    A little over 5km SSW of Monmouth, in an elevated position on the W facing slope of hills overlooking Cwmcarvan; reached by a track which runs S past High Glanau and then angles back sharply northward
  • II Barn at Loysey
    About 1000m to the north west of the Church of St Nicholas approached down a track off the west side of the Monmouth Road (B4293).

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