How exciting! As home (East Anglia) to Santiago cyclists ourselves (but in stages - boo-hoo) we would love to know your route and to follow your progress.
If you are going to Harwich and would like a free bed for a night near Ely, we would be only to happy to welcome you! We could rustle up a spanish omelette!
Do let us know if we can be of any help - we went Harwich to Holland, down to Bruges (North Sea cycle route) across Belgium on canal and riverside paths via Ghent, Tournai, Mons, Namur, south into France to Reims, Chalons, Vitry, Near Troyes, Chaource, Tonnere, Vezelay, Bourges, Limoges. Thats as far as we have got, so far!
Bon chemin!
(Gud pilgrimspad ??)