Old Mill Flatt Farmhouse is a Grade II listed building in the Westmorland and Furness local planning authority area, England. First listed on 6 February 1968. Farmhouse. 1 related planning application.

Old Mill Flatt Farmhouse

WRENN ID
grim-joist-willow
Grade
II
Local Planning Authority
Westmorland and Furness
Constituency
Westmorland and Lonsdale MP: Tim Farron (LD)
Country
England
Date first listed
6 February 1968
Type
Farmhouse
Address
Old Mill Flatt Farmhouse, Sleagill, CA10 3HG
OS grid reference
NY 592 201
Coordinates
54.57459, -2.63264
Source
Historic England listing

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

Description

Old Mill Flatt Farmhouse is a farmhouse dating from 1666, featuring the initials T.E. and M.E. on the door lintel of its southern extension. The original building likely dates from the late 16th century to early 17th century. The house was extended to the north, adding a first floor, and to the south later in the 17th century, with further additions and alterations made afterward. The original structure is built of coursed squared rubble, while the northern extension uses stone blocks and the southern extension is made of snecked rubble, all with quoins. The roadside elevation is wet-dashed. The roof is covered with Welsh slate, featuring stone-flagged eaves on the farmyard side and graduated slate on the roadside side. The farmhouse has two storeys and an overall eight-bay farmyard elevation. The southern extension includes a studded plank door set in a chamfered surround with a false four-centred head above the dated lintel. There are two windows on the ground floor, with two additional windows and a fire window above, as well as on each floor of the central block. The northern extension has two windows under a continuous hoodmould. Most windows are casements in chamfered surrounds, originally multi-light, but all mullions have been removed. The first-floor fire windows are blocked. The south end features stone coping and there are corniced stone chimneys at the mid and end points. Inside, there is a stone spiral stair in the canted outshut at the rear of the southern extension. Each floor has a chamfered 17th-century wood door surround with a shaped head through the original north gable wall.

Local climate

Old Mill Flatt Farmhouse sits in one of the wettest parts of the UK, with an average of 1,230 mm of rain a year. This makes it wetter than 92% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 85% of listed buildings.

It experiences an average of 56 freeze-thaw cycles a year, more than 96% of listed buildings. Of these, 35 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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  • Related listed building consents — 1 application
  • Detailed attributes — period, style, materials, features
  • Flood risk assessment
  • 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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