Ancient Monuments

History on the Ground

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Offa's Dyke: section 340m south east of Coxbury Farm

A Scheduled Monument in Newland, Gloucestershire

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Latitude: 51.7614 / 51°45'41"N

Longitude: -2.6658 / 2°39'56"W

OS Eastings: 354142.71197

OS Northings: 207177.317434

OS Grid: SO541071

Mapcode National: GBR JM.0B4K

Mapcode Global: VH871.RZ1L

Entry Name: Offa's Dyke: section 340m south east of Coxbury Farm

Scheduled Date: 25 September 1935

Last Amended: 27 May 2002

Source: Historic England

Source ID: 1020482

English Heritage Legacy ID: 33456

County: Gloucestershire

Civil Parish: Newland

Traditional County: Gloucestershire

Lieutenancy Area (Ceremonial County): Gloucestershire


The monument includes the buried and earthwork remains of Offa's Dyke 340m
south east of Coxbury Farm. Offa's Dyke generally consists of a bank
up to 3.5m high with an intermittent ditch to the west and quarry ditches
to the east. In places Offa's Dyke was strengthened by additional
earthworks, namely a berm between the bank and ditch, and a counterscarp
bank on the western lip of the ditch.
This 162m long section of the Dyke is visible as a bank, with quarry pits
to the east. The bank is up to 13m wide at its base and stands to a
maximum height of 1.5m on its outer face and 0.5m on its inner face. The
eastern quarry pits form a band up to 7m wide and between 0.5m and 2m
deep. To the north west, as the line of the Dyke has been badly damaged
by later quarrying, and large rocks and boulders are visible throughout
the area, this section is no longer included in the scheduling.
All wooden fence posts, sign posts and stiles are excluded from the
scheduling, although the ground beneath these features is included.

The site of the monument is shown on the attached map extract.

Source: Historic England

Reasons for Scheduling

Offa's Dyke is the longest linear earthwork in Britain, approximately 220km,
running from Treuddyn, near Mold, to Sedbury on the Severn estuary. It was
constructed towards the end of the eighth century AD by the Mercian king Offa,
and is believed to have formed a long-lived territorial, and possibly
defensive, boundary between the Saxon kingdom of Mercia and the Welsh
The Dyke is not continuous and consists of a number of discrete lengths
separated by gaps of up to 23km. It is clear from the nature of certain
sections that differences in the scale and character of adjoining portions
were the result of separate gangs being employed on different lengths. Where
possible, natural topographic features such as slopes or rivers were utilised,
and the form of Offa's Dyke is therefore clearly related to the topography.
Along most of its length it consists of a bank with a ditch to the west.
Excavation has indicated that at least some lengths of the bank had a vertical
outer face of either laid stonework or turf revetment. The ditch generally
seems to have been used to provide most of the bank material, although there
is also evidence in some locations of shallow quarries. In places, a berm
divides the bank and ditch, and a counterscarp bank may be present on the lip
of the ditch.
Offa's Dyke now survives in various states of preservation in the form of
earthworks and, where sections have been levelled and infilled, as buried
features. Although some sections of the frontier system no longer survive
visibly, sufficient evidence does exist for its position to be accurately
identified throughout most of its length. In view of its contribution towards
the study of early medieval territorial patterns, all sections of Offa's Dyke
exhibiting significant archaeological remains are considered worthy of

The section of Offa's Dyke 340m south east of Coxbury Farm survives well. The
bank will have preserved part of the original ground surface, predating the
construction of the Dyke and, along with the quarries to the east, will
contain environmental evidence in the form of organic remains which will
relate both to the Dyke and to the landscape within which it was
constructed. The bank will also contain evidence relating to the method
of construction of the monument and the building materials used.

Source: Historic England


Books and journals
Hoyle, J, Vallender, J, Offa's Dyke in Gloucestershire: Management Survay, (1997)

Source: Historic England

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