Ideas for Great Affordable Hotels
Yacht-Hotels
Sunborn hotel London - double room from 141£ per night (low season) from their website and 140£ when on deal in groupon.uk
Sunborn hotel Gibraltar - double room from 190£ per night (low season) from their website
Unique design hotels
Nhow hotel London - from about 200£ from their website
Exhibitionist hotel London - from about 120-140£ per night per double room from Booking.com with Genius discount
Cave Hotels in Cappadocia, Turkey
Taru Cave Suites - double room from 77£ per night (low season) - if you have Genuis status in Booking (level 3)
Ayazma Cave Hotel - double room from 73 £ per night (low season) from their website
Tale Cave Inn - double room from 51£ per night - if you have Genuis status in Booking (level 3)
and many other cave hotels with typical price less 100£ per night per double room
Luxurious Themed Hotels (Las Vegas style), Macao, China
The Venetian - double room from 151 £ per night (midweek) - from Booking
The Parisian - double room from 123 £ per night (midweek) - from Booking