Casco Antiguo, Palma, Mallorca, €4.8m
Where Overlooking Palma Cathedral in the centre of the capital of the largest Balearic island off the coast of Spain, six miles (11-minute drive) from Palma de Mallorca airport.
What A refurbished former Gothic palace converted into a four-bedroom, five bathroom family home, with more than 600 sq metres of living space. The property benefits from an internal lift and a basement with spa and 20 sq metre swimming pool.
Why The private 95 sq metre roof terrace is reached via an internal spiral staircase with an ornate glass-domed entrance. The dining area on top has views of Bishop’s Palace gardens and the cathedral, and out towards Palma Bay.
Who Engel & Volkers, engelvoelkers.com/palma, tel: +34 971 21 41 40
Where Near the Porta Genova train station in the busy Bocconi district of Milan, 30 miles (40-minute drive) from Milan Malpensa airport.
What A two-floor penthouse with three bedrooms, four bathrooms and more than 4,300 sq ft of internal living space. The lower floor features a whirlpool bath, sauna and Turkish bath.
Why Three large roof terraces form about 2,000 sq ft of outdoor space and gardens, planted with azaleas, laurel, peach and palm trees. There is also a private pool and views over the city.
Who Milan Sotheby’s International Realty, milan-sothebysrealty.com, tel: +39 2 8707 8300
Where Thirty-one storeys above Lower Manhattan, a short walk from Madison Square Park, 19 miles (a 30-minute drive) from JFK airport.
What A 3,600 sq ft duplex penthouse, with five bedrooms and three bathrooms. The property also has a library, whirlpool tub and an open-plan living/dining room with two wood-burning fireplaces.
Why A landscaped “wrap” terrace on the upper level offers panoramic river-to-river views south and west of the New York skyline. The master bedroom suite also has a private terrace looking out on the Flatiron building itself.
Who Halstead Property, halstead.com, tel: +44 20 7467 5330
Where Three minutes’ walk from Harrods and Knightsbridge Tube station in southwest London, 50 minutes by Tube to Heathrow airport.
What A six-bedroom penthouse with en-suite bathrooms and 7,100 sq ft of lateral living space, including a home cinema, gym, and off-street parking.
Why The property has one of the largest roof terraces in southwest London. The 2,000 sq ft terrace, which overlooks Hyde Park, features seating for 24 people as well as mirrors to reflect the London skyline at night.
Who Strutt & Parker, struttandparker.com, tel: +44 20 7235 9959
Where On the French Riviera, 27km from Nice Côte d’Azur airport.
What A three-bedroom penthouse, recently refurbished with a smart home system for all shutters, heating and lights. The bedrooms all have sea views.
Why The 90 sq metre, teak-wood roof terrace features an outdoor television that disconnects when it rains. The parasol and day beds are designed to be left outdoors all year round.
Who Knight Frank, knightfrank.co.uk, tel: +44 20 7629 8171