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Where is it: The Penthouse, Castle Gogar Rigg, Edinburgh What is it: A four-bedroomed home with five bathrooms and two public rooms. Good points: The spectacular open-plan sitting room, dining room and kitchen with sliding glass doors to a large terrace. Bad points: The pictures are of the showhome, as the penthouse won’t be ready for occupation until mid-may. Price: Fixed price £1.05m. Contact: Knight Frank on 0131 516 3611.