Is the house detached? If it’s semi detached then the “storage cupboard” is probably there so they didn’t have to get a party wall agreement from their neighbour as they wouldn’t be touching the adjoining wall.
Its a terrace, joined with their neighbours on both sides.
She likes the make out her home is this big massive stately home with their own private driveway, when it really isn't.
Its just a bog standard house that looks like Tracy beakers dumping ground, and they share a road off the main road with their 2 neighbours.
They also have neighbours all around them, and if I remember rightly, they will soon have a massive construction site backing onto their garden