Norwich was given a grant of murage dated 12/3/1305.
This was in the form of:-
Wording
Grant to the bailiffs and good men of the city of Norwich of murage for five years. By pet. of C.
Granted by Edward I. (Regnal year 33). Granted at Westminster. Granted by pet. of C..
Details of the petition which resulted in this grant can be seen
at this link. 
Primary Sources
Maxwell Lyte, H.C. (ed), 1898,
Calendar of Patent Rolls Edward I (1301-1307) Vol. 4 p. 317
online copy
Secondary Sources
Coulson, Charles, 2009,
Murage Grants (Handwritten list and notes)
Turner, H.L., 1971,
Town Defences in England and Wales (London) p. 136
Blomefield, Francis (continued by Charles Parkin), 1739-75,
An Essay towards a Topographical History of the County of Norfolk (Fersfield and Lynn) Vol. 3
online copy
Comments
The petition request 7 years.
Record created by Philip Davis. This record created 10/01/2009. Last updated on 03/05/2012. First published online 5/01/2013.
