What bug is this?

[Turn7]

Just had a load of these resting on the living room wall…

Anyone know what they are ?

Approx 10/12mm long

[moorx]

Thought it was a Mayfly, but not sure.

[Wheel Turned Out]

Another vote for Mayfly.

[Turn7]

You may well be right…. I have a newly matured wildlife pond in the garden now….