Good list of hostel for dormitory bed?

Good list of hostel for dormitory bed?
Bayswater
Paddington
Kings Cross/St Pancras
Earls Court
Victoria
List of Luxury Hotels
Holiday Inn
Novotel
Marriott
Hilton
Park Plaza
Family Accommodation less than Euro 70/day for Bed & Breakfast
72QT
Hotel 43
Queens Park Hotel
Blue Bells Hotel
Holiday Villa Hotel
Bayswater Inn
Royal Hyde Park Hotel
London House Hotel
Bayswater Inn
Blue Bells Hotel
Queens Park Hotel

List of popular websites for cheap hotels bookings

Website Portals Around the globe for Affordable Hotel stay 
World Wide Famous Online Portals
http://www.trivago.com
http://www.hotels.com/
http://www.booking.com/
http://www.tripadvisor.com/
https://www.expedia.com/
https://www.couchsurfing.com/ (Recommended for Solo Traveller and Cheap)
Country Specific :
India
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Short stays & Long vacations & Luxury getaways: –
https://www.airbnb.com/
http://www.makemytrip.com/
http://www.yatra.com/
http://www.travelguru.com/
http://www.goibibo.com/
Last minute bookings: –
https://www.hotelsaroundyou.com/app (India – Via App Only)
https://www.oyorooms.com/
Home Stay & Stay with Locals: –
https://www.airbnb.com/
https://www.couchsurfing.com/
United Kingdom
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Short  stays & Long vacations & Luxury getaways: –
Refer the Global Secton
Last minute bookings: –
https://www.airbnb.com/
Home Stay & Stay with Locals: –
https://www.couchsurfing.com/
United States 
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Short stays & Long vacations & Luxury getaways: –
Last minute bookings: –
Home Stay & Stay with Locals: –
https://www.homeaway.com/
https://www.vrbo.com/
Other Portals for Great Deals:
http://www.roomkey.com