And if you want an off the shelf rod, Shimano do a range specifically for Euro Trouting The Vengeance and Beastmaster range have a Trout specific 9-10 foot model that casts about 5-25g.
They are normally an order in job, as they are not a UK market item, but Shimano will do that without any issues.
Lastly, the Japanese do some rods as you describe, but they tend to be extremely high end and expensive! Have a look at the Tenryu range, but expect to pay £400-£1000 after import.