Increase floor area ratio by purchasing green land?

Not only that, it creates free space where no one can ever build. I would definitely buy that, grassland can’t cost the earth.

Right at the building boundary, with speculation as land with building potential? I think so!

Right on the building boundary, with speculation as land expected to be developed? I think so!

Exactly that. Currently, 80 €/sqm is being suggested. If there is interest, they will surely go up. The office cannot say anything about rezoning without a concrete building inquiry and a new boundary survey. In the end, you only have an expensive field. The area would only be interesting in 20 years – and who knows what will happen by then.

How is the moisture in the masonry measured from the outside? and how far has it spread?

Exactly that. Currently, €80/sqm is being suggested. If there's interest, it will surely go up. The office can't say anything about rezoning without a concrete preliminary building inquiry and a new boundary survey. In the end, you only have an expensive field. The area would only be interesting in 20 years – and who knows what will be then.

It depends on how you look at it. 900 sqm at €80 equals €72,000. For a garden, that's not exactly cheap, but many people pay significantly more for their 3m setback strip. If I could afford it, I would take it. In the actual building plot, there probably wouldn't be much garden left; otherwise, there wouldn't be any problems with floor area ratio.

Exactly that. Currently, €80 per sqm is being suggested.

The price already includes an expectation that it will eventually become building land.

It is supposed to become that someday. First, you need to know what land for building costs there in order to classify the 80. And always remember: having is better than needing. And to whoever has, more will be given.