Post Office, 78 Main Street, Larne, Co Antrim, BT40 1RE is a listed building in the Mid and East Antrim local planning authority area, Northern Ireland.

Post Office, 78 Main Street, Larne, Co Antrim, BT40 1RE

WRENN ID
haunted-marble-brook
Grade
Local Planning Authority
Mid and East Antrim
Constituency
East Antrim MP: Sammy Wilson (DUP)
Country
Northern Ireland
Irish grid reference
D 402 026
Coordinates
54.85168, -5.81725
Source
NI Environment Agency listing

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

Description

This is a post office situated on Main Street, Larne, constructed between 1920 and 1939. It is an example of an inter-war building designed in a Neo-Georgian style, attributable to the architects of the Northern Ireland Office of Works. The building is single-storey and constructed in rustic brick with a Portland stone plinth and string course. It features round-arched openings and slated hipped roofs. Some original glazing bars have been retained in the windows, although most have been removed. The post office stands directly onto the pavement, bordered to the left by a terrace of two-storey houses with shops and to the right by a post-Second World War, single-storey, flat-roofed extension that belongs to the building itself. Later alterations to the windows have diminished the building’s original appearance.

Local climate

Post Office, 78 Main Street, Larne, Co Antrim, BT40 1RE sits in a wetter-than-average part of the UK, with an average of 1,090 mm of rain a year. This makes it wetter than 87% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 88% of listed buildings.

It experiences an average of 5 freeze-thaw cycles a year, fewer than 97% 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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