6 Mary St., Rostrevor, Co.Down is a Grade B1 listed building in the Newry, Mourne and Down local planning authority area, Northern Ireland. First listed on 22 September 1981.

6 Mary St., Rostrevor, Co.Down

WRENN ID
standing-pier-finch
Grade
B1
Local Planning Authority
Newry, Mourne and Down
Constituency
South Down MP: Chris Hazzard (SF)
Country
Northern Ireland
Date first listed
22 September 1981
Irish grid reference
J 177 183
Coordinates
54.10101, -6.2003
Source
NI Environment Agency listing

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

Description

6 Mary Street, Rostrevor, County Down

A house dating from the early 19th century, shown on the 1834 Ordnance Survey map. The 1835 valuation records this as a new house belonging to Mrs. McArthur, measuring 25 feet by 30 feet by 20 feet in height, with a full-height basement 7 feet high. The property may form part of the development depicted along this section of Mary Street on James Williamson's 1810 county map.

By the 1861 valuation, the house had similar dimensions of approximately 8 yards by 10 yards by 2 storeys, with an associated office measuring 8½ by 6 feet by 2 storeys. At this time it was held by Thomas Emerson, who was also the leaseholder of the neighbouring property to the west (no. 4 Mary Street). Emerson remained the leaseholder and occupant until 1892, when the lease passed to Elizabeth Smyth. She was succeeded in 1894 by Rebecca Halligan.

By 1901, the 51-year-old Miss Halligan occupied the building with a domestic servant and five temporary residents, suggesting it may have functioned as a lodging house. The property subsequently passed through various occupants, including Richard Owens (a linen lapper) and his wife Maggie from 1911. Sometime between 1930 and 1936, the building became the local post office, a function it retained until around 1968-69, when postal services moved to the neighbouring property at no. 4 Mary Street.

The building is situated on Mary Street, which follows the original route between Kilkeel and Newry and forms the western side of Rostrevor village. The listing includes the railings and steps. The property lies within a conservation area.

Local climate

6 Mary St., Rostrevor, Co.Down sits in a wetter-than-average part of the UK, with an average of 1,010 mm of rain a year. This makes it wetter than 81% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 82% of listed buildings.

It experiences an average of 14 freeze-thaw cycles a year, fewer than 87% of listed buildings. Of these, 7 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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  • Detailed attributes — period, style, materials, features
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  • Weather exposure and heating demand — rain and frost month by month and year by year, wind direction, solar and humidity
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Nearby listed buildings

  1. 4 Mary St., Rostrevor, Co.Down Grade B1 7 m
  2. 8 Mary St, Rostrevor, Co.Down Grade B2 10 m
  3. Ranfurly House, 2 Mary St., Rostrevor, Co.Down Grade B 41 m
  4. Rock Cottage, 3 The Square, Rostrevor, Co.Down Grade B 51 m
  5. Lisnarran, 4 Greenpark Road, Rostrevor, Co.Down Grade B1 54 m
  6. Rock House, 5 The Square, Rostrevor, Co.Down Grade B 63 m
  7. 7 The Square, Rostrevor, Co.Down Grade B 66 m
  8. 9 The Square, Rostrevor, Co.Down Grade B 71 m
  9. 11 The Square, Rostrevor, Co.Down Grade B 76 m
  10. Presbyterian Church, Mary St., Rostrevor, Co.Down Grade B 82 m