Scaling constraints?

I’ve built a house and want to scale it whilst maintaining wall thickness. Is there an easy way to do this, whilst maintain all other angles, within blender?

Tutorial videos on how to do this would be very welcome, thanks.

PS. The picture highlights the different wall thickness when scaling all.

You can use Solidify modifier, the walls will have the same thickness if you edit in mesh mode or apply scale after reizing.

Use constraints for that. Another way is to scale along two axes and leave the third one (thickness) unchanged with S + Shift + the axis you don’t want to change. Still, doing this requires walls, floor and roof to be seprate objects, like prefabricated houses.

This is what I did, but it took quite a long time. I just wondered if I could automate it a bit. Ill try the Solidify modifier.