Boundary Post, North of Red Bridge, near Lock-keeper's Lane, Belfast, BT8 7XT is a Grade Record Only listed building in the Belfast local planning authority area, Northern Ireland.

Boundary Post, North of Red Bridge, near Lock-keeper's Lane, Belfast, BT8 7XT

WRENN ID
errant-passage-starling
Grade
Record Only
Local Planning Authority
Belfast
Constituency
Belfast South and Mid Down MP: Claire Hanna (SDLP)
Country
Northern Ireland
Address
Boundary Post, North of Red Bridge, near Lock-keeper's Lane, Belfast, BT8 7XT, Malone Upper, BT8 7XT
Irish grid reference
J 329 691
Coordinates
54.55329, -5.94529
Source
NI Environment Agency listing

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

Description

Boundary Post

This cast-iron boundary post stands on the County Antrim side of the River Lagan, approximately 10 metres north of the Red Bridge and 100 metres east of the Lock-keeper's Cottage on Milltown Road. The post is marked 1918 but may date from around 1898.

The post is of cast-iron construction with a slightly tapered cylindrical profile, measuring about 1 metre high and approximately 20 centimetres in diameter. It features a banded octagonal base and an oversailing flat octagonal cap with a slightly smaller fluted circular upstand. The very top of the cap is missing. The shaft bears a moulded shield displaying the Belfast Corporation coat of arms, below which is an attached bolted plaque reading "Parliamentary / and Municipal / Boundary of / Belfast / Cromac Division / Cromac Ward / 1918". Although originally painted, the post is now considerably rusted.

The post originally marked the perimeter of the administrative jurisdiction of Belfast Corporation and of Cromac District Electoral Division and Ward. It was established following the Local Government Act 1898 and the Belfast Corporation Act 1896, which defined the 'County of the Borough of Belfast' boundary enacted in 1899. This boundary enclosed the city's four original Parliamentary constituencies established after the 1885 redistribution of seats. Following the Fourth Reform Act of 1918, these four constituencies were abolished and increased to nine, including Cromac, which encompassed its own parliamentary division and municipal ward. The new parliamentary divisions were first used in the General Election of 14 December 1918, a historic occasion that saw women candidates stand for the first time and the franchise extended to men over 21 and women over 30. The Cromac constituency was abolished in 1922 with the inception of the devolved parliament for Northern Ireland.

Due to river erosion, the post has slipped from its original location down onto the banks of the River Lagan and now rests at a distinct incline amongst shrubbery. The damage to its cap and displacement from its original position mean it is no longer of special architectural or historical interest. The post is recorded as derelict.

Local climate

Boundary Post, North of Red Bridge, near Lock-keeper's Lane, Belfast, BT8 7XT sits in a wetter-than-average part of the UK, with an average of 1,030 mm of rain a year. This makes it wetter than 82% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 80% of listed buildings.

It experiences an average of 8 freeze-thaw cycles a year, fewer than 93% of listed buildings. Of these, 5 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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  • 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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