Yes, lulu, a Regency Romp is a good way to look at it. There were all the typical characters - the arrogant rude hero, the spirited heroine, the cad, the haughty wealthy Lady something, the plots about wealth. I thought it had a touch of Vanity Fair to it.
Naked men running down the beach into the sea - yes, Green, not sure that was very Jane Austen, nor the scene with the goddaughter "pleasuring" the cad in the park grounds.
Actually the country house and park was filmed at a NT place not far from me so it was good to recognise it.