Record Details

NHER Number:53705
Type of record:Monument
Name:Several ditch features possibly associated with nearby Saltern


During geophysical survey in 2006 a number of ditch features were located that might be part of the postulated nearby medieval salterns (NHER 19694). Trial trenching in 2008 revealed no archaeological features but did reveal a possible archaeological deposit that could relate to saltworking.

Images - none


Grid Reference:TF 4883 1658
Map Sheet:TF41NE

Full description

September 2006. Geophysical Survey.
Magetometry survey undertaken prior to proposed expansion of electricity substation (Area 1).
This area was found to contain a number of ditch type anomalies that might be related to the postulated medieval salterns (NHER 19694).
See report (S1) for further details.
S. Howard (NLA), 4 December 2009.

August 2008. Watching Brief.
Monitoring of excavation of geotechnical test pits along proposed route of Lincs Offshore Windfarm onshore cable connection (which will connect to the Walpole substation).
No archaeologically significant features or deposits observed.
See report (S2) for further details.
P. Watkins (HES), 26 August 2015.

September 2008. Trial Trenching and Watching Brief.
Evaluation of site of proposed substation extension and subsequent monitoring of geotechnical investigations.
No archaeological features were observed during the investigation and a single deposit including abundant charcoal remains and fired clay fragments of possible archaeological origin was identified in Trial Pit 5 at the north-western end of the site. It is possible that these remains could be briquetage-related, which is a course ceramic material used to make evaporation vessels for extracting salt from seawater. Post-medieval ceramic building material including brick and tile was retained in the topsoil across the site. All trial trenches contained the remains of modern agricultural drains and it is likely that these were the features detected by the geophysical survey.
See report (S3) for further details.
The archive associated with this work has been deposited with Norwich Castle Museum (NWHCM : 2018.61).
S. Howard (NLA), 28 January 2010.

Monument Types

  • DITCH (Medieval - 1066 AD to 1539 AD?)
  • SALTERN? (Medieval - 1066 AD to 1539 AD?)
  • FINDSPOT (Post Medieval - 1540 AD to 1900 AD)

Associated Finds

  • BRIQUETAGE? (Unknown date)
  • CHARCOAL (Unknown date)
  • BRICK (Post Medieval - 1540 AD to 1900 AD)
  • TILE (Post Medieval - 1540 AD to 1900 AD)

Protected Status - none

Sources and further reading

---Secondary File: Secondary File.
<S1>Unpublished Contractor Report: Stephens, C. 2006. Geophysical Survey Report. Walpole Electricity Substation, Walpole Street Peter, Norfolk. GSB Prospection. 2006/71.
<S2>Unpublished Contractor Report: Wessex Archaeology. 2008. Lincs Offshore Windfarm, Nr Sutton Bridge, Norfolk. Archaeological Watching Brief Report on Geotechnical Investigation Works. Wessex Archaeology. 69820.01.
<S3>Unpublished Contractor Report: Fitzpatrick, R. 2008. Walpole Electricity Substation, Walpole St Peter, Norfolk. Report on a Programme of Archaeological Works. Wessex Archaeology. 69821.03.

Related records

19694Related to: Possible medieval saltern mound (Monument)
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