Agencies

Booking.com - Hotel booking agent, no upfront charges, you pay the hotel

Wimdu – for apartment rentals

Loving Apartments – apartment rentals

Room 77 - aims to give more information, right down to the room to ask for

Hotels Combined - Checks all agencies, bit like a Skyscanner for hotels

Holiday Pad - Unusual accommodation worldwide

Airbnb - rent from locals – worldwide

Holiday Lettings - houses and apartments

Owners Direct - good for long stay

Cheep Travel - Booking agency – flights, hotel or both

Epoque Hotels - Special places

Late Rooms - Hotel booking agent – late bookings

Less packaged holidays - Villas etc

Lowcostbeds - value accommodation

Hostels Worldwide - worth checking, especially for more remote locations

Hostel Bookers - more hostels

I Escape - Boutique hotels and unusual places

Stay at Base - hostels in Australia and NZ

Sterling Hotels group - interesting places across the globe

Sidestep - Multi airline, hotel and general travel searcher

Small Places - Unusual small properties to rent

Venere - Hotel booking agency – some unusual properties

Villa Renters - owner rented properties

Wotif - mainly Australasia, but have a look

London: Bed & Breakfast offers in London

Spain

Casa Romana Seville

Hotel Sacristia Santa Ana – Sevilla

Hotel Mora – Convenient, well situated and reasonable hotel in Madrid

Hostal Oriente – central and well rated hostal, Madrid

Posada del Peine – central and well located Madrid hotel, and the oldest hotel in Spain

Lapepa – Madrid B&B

Hotel Neptuno – on the beach in Valencia

HT Hotels – Hotels in Spain

Spanish Hotels – Very funky hotels in Spain

Room Mate Hotels – More trendy Spanish hotels

Spanish Hotels – Hospes, special places to stay in Spain

Chic and Basic – Barcelona, Madrid and Amsterdam

Banys Orientals – Barcelona

Hotel Peninsular – Barcelona, basic but good value

Hostal Goya – Barcelona, good location

Valencia Flats

Valencia Flats

Rooms Deluxe – hostel plus

Italy

B&B Venice – Highly recommended B&B in Venice

B&B Venice – Orsoni Venice

B&B Rome – Hostal Panda

Daphne Rome

UK Travel

Natural Retreats – special accommodation in National Parks

Welsh B&B – with a difference

UK Breaks – UK accommodation

Europe – Other

Nice Garden Hotel – France

Hotel Windsor – Nice

York House – Lisbon

Interhome – Apartments across Europe

Hotel Maestral – Dubrovnik

Askanischer Hof, Berlin – much of ‘The Trial’ was written in room 12

Croatian Villas – Wide selection of villas across Croatia

Cross Pollinate – private apartments and B&Bs in Florence, Rome, Venice, Barcelona and Paris

India

Elsewhere Goa – tented accommodation, private location

Hornbill Camp – eco lodge in Kerala

Shaktihimalaya – wow…

Thailand

imm group – Bangkok, Hua Hin and Chiang Mai

Sakorn Residence – Chiang Mai. Highly recommended, a little out of town on the eats side of the Ping River, but all the better for that IMHO.
Staff are very helpful and friendly, pool is small but adequate for a swim.