There is a tradition that as long as the arch stands, the inhabitants of Dale are exempt from paying tithes;  *about 1839 it was repaired and strengthened out of the highway rates (H79) *’a few years ago’ (BAGSHAW) *by the late (in 1857) Lord Stanhope (WHITE).

*The repairs are typical of eighteenth century work (Tim Allen, English Heritage). *There is  evidence that the repairs were undertaken as part of a contract which allowed stone to be taken from the abbey for use elsewhere (Ralph Homer, 2012)

All the windowsill has disappeared (H79).

There is a good photo of arch with scaffolding up, taken from field side, in STANT34, January, p. 17.  This photo is like the one in Derby Museum, in DLC1975, January, pp. 24-26:  ‘A Derbyshire Shangri-La’ by Robert Innes-Smith.

The arch was extensively repaired in 2009. The major part of this work was re-pointing with hydraulic lime mortar. (Previously some re-pointing had been undertaken using a cement based mortar). A few stones were replaced, most notably some much eroded stones at the springing point of the east window ‘arch’, see Restoration 2009
The east window, part 4
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Before
After