Maindiff Farmhouse is a Grade II listed building in the Monmouthshire local planning authority area, Wales. First listed on 5 February 1998. Former motor depot.

Maindiff Farmhouse

WRENN ID
second-marble-ebony
Grade
II
Local Planning Authority
Monmouthshire
Constituency
Monmouthshire MP: Catherine Fookes (Lab)
Country
Wales
Date first listed
5 February 1998
Type
Former motor depot
Address
Maindiff Farmhouse, Abergavenny, Llantilio Pertholey
OS grid reference
SO 312 150
Coordinates
51.82993, -2.99893
Source
Cadw listing

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

Description

Maindiff Farmhouse is a two-storey building with attics, constructed in the 19th century. It features squared and roughly coursed rock-faced red and grey sandstone rubble, accented with yellow brick dressings and topped with a Welsh slate roof. The main section faces the farmyard, with two equal wings extending behind it towards the garden.

On the yard front, there are three windows on the upper floor and one on the ground floor, all of which are sash windows. The upper windows are 2 over 2 plate glass, except for the central window, which is 1 over 1. The windows are framed with quoined brick surrounds and decorative bands. The two right-hand bays on the ground floor are covered by a tented verandah or pentice supported by three decorative iron columns, which shelters the kitchen door. The outer windows on the upper floor are set into bargeboarded gables topped with spike finials. The steeply pitched roof includes two roof-lights and has decorative stone and brick stacks at both ends of the ridge.

The road front features two bays, with small gables on the left and a larger one on the right, all adorned with bargeboards. The upper floor windows are 2 over 2 sashes, with arched heads. A recessed stone panel in the larger gable reads: "THIS HOUSE WAS REBUILT BY CRAWSHAY BAILEY ESQ. JANUARY 1876."

On the garden front, there are two equal gabled projections flanking a narrow recessed entrance, with a window above. Each wing has a canted bay on the ground floor with a lead roof and 2 over 2 sashes flanked by 1 over 1 sashes. The first floor features paired arched windows, 2 over 2, with each gable having a 1 over 1 sash window with a shouldered arch and keystone. The gables are also decorated with bargeboards and spike finials. There are two stacks behind the ridge, making a total of four stacks.

The rear elevation was not seen, and the interior details were not available at the time of the resurvey in June 1997.

Local climate

Maindiff Farmhouse receives an average of 960 mm of rain a year. This makes it wetter than 74% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 71% of listed buildings.

It experiences an average of 45 freeze-thaw cycles a year, more than 86% of listed buildings. Of these, 22 follow at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.3°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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