Redburn Portico, 221 Old Holywood Road, Holywood, Co Down, BT18 9QS is a listed building in the Ards and North Down local planning authority area, Northern Ireland.

Redburn Portico, 221 Old Holywood Road, Holywood, Co Down, BT18 9QS

WRENN ID
heavy-threshold-winter
Grade
Local Planning Authority
Ards and North Down
Constituency
North Down MP: Alex Easton (Ind)
Country
Northern Ireland
Irish grid reference
J 396 772
Coordinates
54.62438, -5.83858
Source
NI Environment Agency listing

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

Description

The Redburn Portico was a mid-19th century structure originally attached to Redburn House. It has since been demolished, and a care home now occupies the site. The portico was constructed of dressed sandstone and measured approximately 30 feet wide. It was recessed within the west front of Redburn House, which is now ruinous and derelict. The portico featured four square columns with antae incorporated into the side walls, alongside an entablature. A central projecting pediment was supported by two Ionic, panelled columns and featured a decorative frieze and an oval shield at its apex. The square columns, and those supporting the pediment, sat upon a base wall with forward-projecting columns that framed an approach with eight steps leading to the upper floor of the portico. The rear wall of the portico originally contained two window openings and a central doorway. The stonework of the portico was generally in fair condition but exhibited some minor damage to the cornice.

Local climate

Redburn Portico, 221 Old Holywood Road, Holywood, Co Down, BT18 9QS 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
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  • 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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