A High Court appeal was rejected after civil proceedings were brought by the Environment Agency.
The river-worthy sleigh was the idea of a couple who live on an island in the river.
Trains are being delayed for up to 90 minutes after power to the lines had to be turned off.
Garden designs at the annual event show how biodiversity can be improved in urban spaces.
The garden will feature 300 species, each selected for their climate resilience and biodiversity.
Elmbridge Borough Council has brought in a Public Space Protection Order for five sites.
The species needs healthy insect populations and suitable nesting sites for the UK breeding season.
More than 100,000 hand-selected bulbs make up the display showcased for the annual Tulip Festival.
Nearly 200 royal garments, from the 16th Century to the present day, have been scanned and put online.