Sven, The transformer-isolated shaver outlet is still the only permitted socket in a bathroom here.
Andy, This is one area where my views differ from those held by most Brits. I would like to see our IEE relax the rules on outlets in bathrooms and allow one suitable for hair-dryers and such like, subject to GFI/RCD provisions.
You might like to look back at this thread where we discussed the extension cord angle (near the top of the second page).