A manure door is a small door in the side or rear wall of a farmhouse, positioned so that it opens directly behind the standing place of the cattle, allowing the manure to be taken outside quickly. In a traditional byre the animals stood with their hindquarters over the dung channel; the manure door sat at exactly that point in the wall.
Why in that position?
In a byre the manure fell into the channel behind the cows, which was emptied by hand or with a wheelbarrow. A door close to the channel saved carting the load through the whole building every day:
- Short route to the muck heap or slurry pit outside
- Sized for the job — often no higher than chest height, but wide enough for a barrow or a dung cart
- Several doors in long byres, spaced along the wall
- Sometimes only a hatch rather than a door
Recognising it in old farm buildings
The manure door is a useful clue to the original layout of a farmhouse. Its position shows where the byre was and how the animals were stalled. Even after alterations the spot is usually still readable: blocked-up masonry of a different colour or bond, a lintel or arch that no longer serves anything, or a low threshold left in the wall.
When a farmhouse is converted into a dwelling, manure doors are often turned into windows or garden doors. On a listed building that requires consent: always discuss it with the local authority or conservation officer first, because the opening is part of how the building’s history can be read.
Related terms
- Dung channel
- Farmhouse
- Byre
- Barn door
- Aisled house
- Conversion
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