England
Customary tip for tours is £1 per person for the guide as well as the driver.
Do not tip in bars and pubs.
Hotel luggage £1-2 per bag.
For taxis, it is customary to round up the fare to the nearest £
France
In restaurants, 1-5€ per person.
For tour guides, 2-5€ per person. For the tour driver, 1-2€ per person.
Portugal
For tours and drivers, 5€ per person
At restaurants, 10-15% if no service charge.
Do not tip taxis or spas.
Spain
Tipping in Spain is not expected. 1-2€ total at the most.