16 Demesne Park, Holywood, County Down, BT18 9NE is a Grade D1 Record Only listed building in the Ards and North Down local planning authority area, Northern Ireland.

16 Demesne Park, Holywood, County Down, BT18 9NE

WRENN ID
gaunt-truss-solstice
Grade
D1 Record Only
Local Planning Authority
Ards and North Down
Constituency
North Down MP: Alex Easton (Ind)
Country
Northern Ireland
Address
16 Demesne Park, Holywood, County Down, BT18 9NE, BT18 9NE
Irish grid reference
J 403 784
Coordinates
54.63506, -5.82732
Source
NI Environment Agency listing

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

Description

The house at 16 Demesne Park, Holywood, was demolished and replaced with a modern two-storey dwelling. The original house, designed by Denis O'D Hanna around 1938, was a symmetrical two-storey building with gabled roofs and a prominent breakfront containing the entrance, which was topped by a round-headed window. Corner windows were present at each end of the front facade. It originally featured small-paned windows, although these have now been replaced with plastic windows. A First Survey card records this description, noting the information came from P. Larmour. The site is subject to a partial survey only and is not listed for either architectural or historical interest.

Local climate

16 Demesne Park, Holywood, County Down, BT18 9NE sits in a wetter-than-average part of the UK, with an average of 1,080 mm of rain a year. This makes it wetter than 86% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 89% of listed buildings.

It experiences an average of 4 freeze-thaw cycles a year, fewer than 98% of listed buildings. Of these, 3 follow at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.2°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
  • No flood data for this area
  • 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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