A gatepost is a structure used to support gates or crossbars which control entry to an area, such as a field or driveway.
If the gatepost is utilitarian in purpose then gateposts will be made as strictly functional structures; however as part of the 'advertisement' of the status of the family who live beyond, they are often carefully designed and constructed and sometimes highly ornate or individualistic. Gateposts give an additional element of character to the countryside and conurbations, significantly they also play host a habitat for many lichen, moss and liverwort species.
They are often made of wood, such as old railway sleepers, telegraph poles or even tree trunks. For a longer 'life' more resilient iron girders or pipes may be used and concrete posts are sometimes employed. The older examples were often made of stone, such as granite, whinstone, sandstone or limestone. Occasionally standing stones have been moved and re-used as gateposts, especially on Dartmoor and in Cornwall. Bricks are frequently used and some are made from stones or small boulders, tending to be cylindrical in shape.
Slip gates are a form of gate which permits people and vehicles through an entrance but which blocks the passage of animals. Branches or worked wood crossbars or stangs were used, one field slip gate pier with 'L' shaped grooves and the opposing stile gatepost with square or circular concavities to receive the three or four horizontal crossbars. Most of these have long been converted to carry hinged gates, though one survives unaltered at the on Wester Kittochside farm, East Kilbride, Scotland. They were sometimes made entirely of wood, such as oak, which is relatively long lasting.
The term 'Stoup' is used in Cumbria and some examples are elaborately finished, with dates and initials and even whole names, sometimes with the sort of flowing script more usually found on gravestones. One example is dated as far back as 1663.
The shape of the stile gateposts is variable, mostly being oblong and square in section, however some were 'tombstone' shaped, having two flat sides and a curved top.