You Do Need power plug adapter while traveling from Jordan 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 Jordan are C, D, F, G and J. This is how they look like.

Jordan

In Jordan, outlets of type C, D, F, G and J are in use.

Type C

Type D

Type F

Type G

Type J

United Kingdom (UK)

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

Type G