Foldie or regular bike?

Am weighing up the pros and cons of bikes as my London bike is beginning to need some TLC, and it's 10+ years old...
Currently I keep a bike in London at Marylebone station; I ride to the station on one bike, lock it, train, pick up other bike and off we go. London bike therefore gets a bit neglected and maintenance is a pain, as I do most of it myself.
The alternative is a folding bike: I've ridden a Brompton - which folds well but is a bit, er, different to ride, and a 20" wheel Tern (I think), which reminded me of a BMX
and was quite fun.
But folding bikes mean dragging them on and off the train, etc. Plus they're not as good to ride as a regular bike.
So: any thoughts from those of you who've faced this dilemma???
Currently I keep a bike in London at Marylebone station; I ride to the station on one bike, lock it, train, pick up other bike and off we go. London bike therefore gets a bit neglected and maintenance is a pain, as I do most of it myself.
The alternative is a folding bike: I've ridden a Brompton - which folds well but is a bit, er, different to ride, and a 20" wheel Tern (I think), which reminded me of a BMX

But folding bikes mean dragging them on and off the train, etc. Plus they're not as good to ride as a regular bike.
So: any thoughts from those of you who've faced this dilemma???
It's just a hill. Get over it.
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LOL thinking of selling the old Brompton?
Boris bikes - good enough for Wiggo, but not for me!
It's just a hill. Get over it.
PM me - I do love someone who fiddles with their bikes 8)
It's just a hill. Get over it.
Yours is the pursuit brompton right? So tempting, but would want to do the fixie mod...
Cannondale CAADX
Charge Plug 1
Half the difficulties with mine were combining a bar end shifter with TT brake levers on a base bar that fitted the stem, especially as there's only one bar end shifter compatible with the hub I used. If you want a fixie you're probably better off starting with a single speed M-type and changing the bars.
They've improved the gear ratios on some of the boris bikes (look for the plasticy-looking gear levers) and they go a bit faster now.
New brakes too. Good enough that I locked up both wheels and slid sideways on a wet day.