Architectural drawing software for dummies

[sidekickdmr]

Evenin,

If I was to want to mock up some basic designs for a new building, floor plans, layout, exterior visuals etc, similar to the below:





What can I use?

Happy to pay if its say under £100

FYI, this is only for me to play around with before I use the professionals (probably Eqqus) `to tidy it up and make proper

Thanks

[sidekickdmr]

Ive tried using Sketchup last night, wow that complicated

Can I emphasise the "dummies" bit please

Not fussed about it being in the right .dwg format, just want to have a play around with ideas/layouts