As usual, I think Hobbes is quite correct.  To elaborate, I think you would usually send Norway fighter to UK battleship, German bomber to UK battleship, Norway fighter, Western Europe fighter, and Eastern Europe fighters to UK cruiser, and Balkans fighter to Anglo-Egypt.  The Ukraine fighter is often dead at end of R1.  There’s good chance of Germany losing 1-2 fighters, between the UK cruiser and battleship.
Re: Zhukov’s post - German fighter/bomber vs UK battleship has 61% win, 20% mutual destruct (leaving the UK transport).  So you may see the UK battleship and transport northwest of London, and the UK transport at East Canada both wiped.
Re:  Early wipe of Allied fleet - with only a single UK transport to claim as a “bonus kill”, Germany may be well advised to leave a moderately well defended Allied fleet alone.
Re:  Building “more” UK fleet - It’s not that advanced play requires more UK fleet.  It’s just a question of the Allies responding to the German plays.  If, say,Germany builds all ground and tries to crack Russia, you probably won’t need much more than 2 DD/AC.  But if Germany builds air to stall out Allied fleets (maybe even just 1 fighter or bomber a turn), the Allies will need heavier fleet.