The sister hotels Greif and Laurin (0471 311000; www.laurin.it ) offer b?

Its sister hotel, the Ghazala, is across the street and is substantially larger.

If you don't want to dress for breakfast, its sister hotel, the Hermitage, is equally smart but less ceremonial.

It's on the same block as its sister hotel, the 196-room W Court, another freshly renovated addition to the chain.

A free shuttle service to sister hotels at the beach resort of Batu Feringghi is also provided.

Next year sees the opening of a nearby sister hotel, the Villa Clarisse, which will have 10 rooms, a spa and swimming pool.

Additional benefits: Extend stay at rate, full use of sister hotel's Spa.

But will other hotels copy the Peninsula's round-the-clock concept, including the sister hotel in New York?

Sofitel London Heathrow, a £180m 600-bedroom sister hotel was announced in the same year.

Its sister hotel is the Swan, operated by Westin.