Whilst this is no doubt innovative, everything that is abysmally wrong with property ownership in the UK stems from complicated ownership structures like that being proposed here. Just look at the leasehold scandal (and upcoming reform), the push for commonhold, and the things that go wrong (such as the cladding scandal following Grenfell). Homes are not investment vehicles to make people wealthy - they are a fundame…
Any asset that can maintain or increase its value over time can be an investment vehicle and thus in practice is an investment vehicle. It is not a human right to own property. Having a roof over your head and owning that roof outright are not the same thing.
If the rent goes up faster than wages, people become homeless.