Rock Cottage, 3 The Square, Rostrevor, Co.Down is a Grade B listed building in the Newry, Mourne and Down local planning authority area, Northern Ireland. First listed on 22 September 1981.

Rock Cottage, 3 The Square, Rostrevor, Co.Down

WRENN ID
forgotten-copper-lark
Grade
B
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 178 183
Coordinates
54.10081, -6.1996
Source
NI Environment Agency listing

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

Description

Rock Cottage, 3 The Square, Rostrevor

Rock Cottage is a two-storey house located within Rostrevor's conservation area on The Square. The building appears on the Ordnance Survey map of 1834, though structures in this general location are shown on an estate map of 1767.

The property has a complex history of subdivision and occupation. In 1835, according to the first valuation book, what is now number 3 formed a single property with the adjacent number 5. The records suggest they were originally separate buildings, with the taller number 5 having the appearance of a structure dating to around 1810. At that time the combined property was occupied by William John Maguire Esq., a gentleman listed among Rostrevor's clergy and gentry in Pigot's 1824 Directory. The 1835 valuation describes an extensive building comprising a main section measuring 52 feet by 24½ feet by 20 feet high, with additional 'returns' of varying dimensions, a basement storey, and offices (outbuildings) of considerable size.

By 1861 the property had contracted in size and was leased by Jane Nunn. In 1887 the building was formally split into the two separate houses that exist today, with number 3 initially occupied by Mrs Sanders. The property subsequently changed hands frequently through the late 19th and early 20th centuries, with tenants including Margaret McBride (1893), Mary Gordon (1904), Annie McNeilly (1909), and others recorded through to 1948. By 1953 the property was noted as vacant and appears to have remained unoccupied until at least 1972.

The Square itself developed as part of Rostrevor's expansion in the 1760s, when the road (present B25 Kilbroney Road) linking Rostrevor to the new village of Hilltown was established or upgraded by Wills Hill, later 1st Marquis of Downshire. Its generous breadth suggests it was intended to function as a marketplace. In April 1769 the landlord Robert Ross obtained a patent to hold a weekly market and quarterly fairs in the settlement. The parish church, completed in 1821 at the north-east end, forms a visual terminus to this broad section of street. By 1834 the street's present extent of development was established, with the character described in the 1836 Ordnance Survey Memoirs as comprising mostly two-storey houses in good order, many providing furnished lodgings for summer visitors.

Local climate

Rock Cottage, 3 The Square, 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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  • No EPC on record for this property
  • No sale records on file
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  • Detailed attributes — period, style, materials, features
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  • 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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