Travelling to Rome from UK on train

I'm travelling to Europe in around ten days, and I have to use trains (company policy not to fly). I have to be in South East Rome for a meeting for 9 in the morning and because of other commitments I only have the day before to get there. So I searched on the Bahn website and got my travel office to book the following journey:

Lancaster - Euston .................................................Dep 05:36........ Arr 08:36 (Walk between Euston and St Pancras)

St Pancras - Paris Nord (Eurostar)............................Dep 10:25.........Arr 13:47 (RER 2 stops between Nord and Lyon)

Paris Lyon - Torino Porto Susa (TGV)........................Dep 15:24.........Arr 20:55

Torino Porta Susa - Torino Porta Nuova.....................Dep 21:25........Arr 21:35

Torino Porta Nuova - Roma Termini (Overnight)........ Dep 21:55.........Arr 05:51

This seems like a pretty risky journey considering I've done it much easier going Pari - Rome direct before (it just isnt feasible this time with time constrictions), and there doesnt seem enough time to allow for late trains.

Does anybody have any experience / knowledge of doing this journey or using any of the services mentioned?

Are they ever late?

How easy are they to find at the particular stations (it's the Torino bit that concerns me - if the train from Paris is late how easy is it for me to make the sleeper to Rome?)

Many thanks in advance

TGV and Eurostart are fairly strict on timekeeping so you shouldn't have a problem.

Get travel insurance so that if you do miss a connection you can get a new ticket anyway.

Like almost any train station in Europe, it's never as difficult as you think to find out where to go as you think.

Thanks for that, Monkey

Does anyone know if I have to allow 30 minutes checkin before getting on the TGV (Like Eurostar), or if not what is the passport control procedure (last time I had to give a passport to the guard and he gave me it back at the border - on the Artesia from Bercy to Roma)