For the sake of completeness. ..
With flights from Perpignan being the subject of extortionate costs, I'd looked at train possibilities back at the end of May when I made the booking.
It all went very smoothly, on another lovely sunny day.
A lift from David to Argeles station after waving goodbye to his lovely house, Maison de Foret (pictured above)
Argelès to Perpignan - €6.60 (20 mins)
Perpignan to Paris (TGV) then Paris to St Pancras (Eurostar) - all on one ticket - €94 (9 hours)
(Canigou soon faded into the distance, but we'll be back)
Euston to Stockport - Virgin Pendolino - £27.50 (1st Class - including food and drinks)(2 hours)
Stockport to Timperley - Nallo Lady taxi service. Priceless.
A pretty quick and efficient journey, with good company from Paris to London in the form of Reuters man Harry, and a chance encounter at Euston with Phil and Carol, former work colleagues who were in good form (perhaps because Carol retired last year and Phil is doing just that in a couple of weeks' time).
It's a small world!
Sent from our GR10 trip - index to follow