Massive MPG drop

[bluerav4]

I’ve noticed on the last two fill ups my MPG is coming down. I’ve not changed my driving style or anything else I can think of. A full tank would show a range of 462 miles or thereabouts and I’d get somewhere 58-62 mpg mainly local. 
At the moment I’m now getting the same range showing but it drops like a stone and the mpg is 38-43 mpg. The only thing I can think of is the climate control. I normally switch it on when the engine temp has risen. I’ve now done 8K miles since I bought the car. 
Anyone else had similar issues?

[Starensis]

You will find it’s down to the accessories you have on. Heated seats, climate, headlamps etc are all powered from hybrid Battery. Therefore, the more you have on, the more the Battery depletes, the more the engine has to kick in.

if you don’t need the accessory - switch it off.