Willie's Temple, Melville Castle is a Grade A listed building in the Midlothian local planning authority area, Scotland. First listed on 15 February 1991. Summerhouse.

Willie's Temple, Melville Castle

WRENN ID
steep-ember-gorse
Grade
A
Local Planning Authority
Midlothian
Constituency
Midlothian MP: Kirsty McNeill (Lab)
Country
Scotland
Date first listed
15 February 1991
Type
Summerhouse
OS grid reference
NT 305 668
Coordinates
55.88975, -3.11214
Source
Historic Environment Scotland listing

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

Description

Willie's Temple at Melville Castle is a single-storey, circular-plan summerhouse built around 1760, situated on a hilltop. The structure is made of polished ashlar sandstone and features four arched openings with Gibbsian surrounds. Between these openings are four intermediate piers, each adorned with tall, blind arched panels framed by panelled pilaster strips that end in a convex moulding at the base, with one scrolled console remaining. The building has a moulded cornice and a stone, bell-cast roof that was originally topped with a stone pineapple finial, which collapsed around 1994.

Inside, the summerhouse may have originally had a plastered stone domed ceiling, and it includes small, round-headed niches set within the ingoes of the arched openings.

Local climate

Willie's Temple, Melville Castle receives an average of 960 mm of rain a year. This makes it wetter than 74% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 52% of listed buildings.

It experiences an average of 39 freeze-thaw cycles a year, more than 74% of listed buildings. Of these, 23 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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