I imagine it went something like this...
Wife: (exasperated in birthday disappointment) I said we need a new ironing lady not a statue of the Iron Lady you plum.
Husband: (shrugs in weaponised incompetence) I told you I'm crap at birthday presents
Wife: (bristles in miserable silence)
3 months later they put the house up for rent while they work out their divorce plans and both move back with their parents. His parents are lifelong Labour voters who will not let the Thatcher statue in through the door. He tries to sell it on eBay but no luck yet, so it ends up on Rightmove, and reduces the likelihood of it being rented as most renters are young and left wing, and most Thatcher lovers benefited from the 1980 right to buy policy and are not looking for an overpriced rental house, but enjoying being the last generation who can afford to retire