You Do Need power plug adapter while traveling from Saint Barthélemy to United Kingdom (UK).

Here is Why You Need An Adapter

The outlet and plug type used in United Kingdom (UK) is G and in Saint Barthélemy are C and E. This is how they look like.

In Saint Barthélemy, outlets of type C and E are in use.

Type C

Type E

In United Kingdom (UK), outlets of type G are in use.

Type G

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