London to Milan or further (via Berlin)

I am looking to travel to Milan or further (via Berlin) in October. I only have one week to travel and I am looking for the easiest way. I would buy an Interrail Pass, but I have a few questions.

Can I use this on the Eurostar? The website it confusing when talking about that.

I'm looking to reduce cost on accomodation where possible, what stations have showers?

Thanks

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With regards eurostar use, have a look at this thread and the links it contains.

higthomas said:

With regards eurostar use, have a look at this thread and the links it contains.

Click to expand...

Inter rail is now valid on Eurostar, but you do have to make seat reservations at £26.50 per journey (in standard). Availability is pretty good I've found.

agwuk1993 said:

I'm looking to reduce cost on accomodation where possible, what stations have showers?

Thanks

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Click to expand...

http://www.bahnhof.de/bahnhof-de/start/

A quick search on this site reveals that Berlin Hbf is one such. Any major station where sleeper trains terminate is likely to have them, eg Munich.

BTW I would cost out normal advance fares for your trip, especially for Eurostar.

You should compare the cost of the Interrail pass plus all the supplements or reservations you'd need to pay. Choosing cheap advance tickets is likely to be cheaper than using Interrail for a small number of point-to-point journeys on long distance trains between cities, particularly if in Italy, France or Spain.

IF stations do have showers, the cost of using it is usually quite high-up to/around 10€. Not all allow anyone-some are only (just like airport lounges) for card-holding frequent customers.
A night in a hostel-shared dorms, is often available for just a little more, and gives you a bed, locker, access to shower and often kitchen too, etc. Check hostelworld or most are also on booking.com. In fact it is kost often even cheaper as the xtra cost for using a couchette on trains.
Oscar is quite right in telling that for this, without many other stops, advance fixed bookings are likely cheaper-you can do it with just 2 if very lucky. Check-as alwwys-seat61.com for more info on how to do that.