Former Flax Mill, Feeny Road, Knockan TD, Feeny, Co Londonderry is a listed building in the Causeway Coast and Glens local planning authority area, Northern Ireland.

Former Flax Mill, Feeny Road, Knockan TD, Feeny, Co Londonderry

WRENN ID
graven-gravel-grove
Grade
Local Planning Authority
Causeway Coast and Glens
Constituency
East Londonderry MP: Mr Gregory Campbell (DUP)
Country
Northern Ireland
Irish grid reference
C 650 063
Coordinates
54.90041, -6.98636
Source
NI Environment Agency listing

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

Description

This is a former mill, likely constructed between 1780 and 1799. Originally a beetling mill, it was later adapted for corn milling. The mill is situated near Knockan, County Londonderry, alongside the Owenbeg River, which provided its water source.

The stone-built mill is two storeys high. Approached via a raised laneway, its front elevation has three bays, featuring a single timber door, a boarded-up window opening, and a built-up window. Two steps lead to the main entrance. The walls are finished with roughcast rendering, and there is a corbel course at gutter level, though a gutter is absent. The roof is covered in natural blue slate. The west gable has a small square opening near the base of the wall, while the other gable has a door near the corner providing access to the floor underneath. A door is present on the rear wall, leading to the lower floor, and two openings at upper floor level have been built up. An adjacent building abutted the gable projecting toward the millrace and likely housed the water wheel. The mill is located a short distance from Knockan bridge and a field’s length from the old Feeny Road. A dry mill pond is situated alongside the access laneway, and the remains of the sluice and the dried-up millrace are still visible.

An Ordnance Survey map from 1830 originally depicted the site as a beetling mill, and a revision of the same map in 1905 indicated it had been converted to a corn mill. The site is of industrial archaeological interest.

Local climate

Former Flax Mill, Feeny Road, Knockan TD, Feeny, Co Londonderry sits in a wetter-than-average part of the UK, with an average of 1,070 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 62% of listed buildings.

It experiences an average of 35 freeze-thaw cycles a year, more than 56% of listed buildings. Of these, 23 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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  • Weather exposure and heating demand — rain and frost month by month and year by year, wind direction, solar and humidity
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