Best safe heater for attic

PoGee

Thank you for replies. I've posted pictures in the DIY section but will add here also. I think I need more tile vents. Perhaps should have not got a Velux but kept to the small old style attic window. The old one did not cause condensation. It was a full re-roof bar beams.

PoGee

The roof is a year old, 1960s 3 bedroom semi. I've redone the loft insulation as I thought that would stop condensation but it hasn't. There's condensation on the wooden bits that go on top of the beams also - gable side and Velux side but 3rd side is bone dry.

There's a gap just above the top edge of the Velux, where there's also condensation - is the gap normal?

What else can I do to get rid of it? There are 2 tile vents on each side (near eaves) and multiple soffit vents.The Velux moisture is so bad that I've had to put a tarpaulin under it to catch droplets. The Velux window picture below shows the gap and grey material - if you magnify picture, you can just about see droplets of moisture there also. 2nd picture is of the wooden bits that go onto beams - they're all wet to touch bar one full (out of 3) sides 

Hope someone can help