Land Market Price vs Land Guideline Value

A meaningful summary regarding the currently actual payable land prices ( /m²) in relation to the standard land value
according to BoRiS would interest me.

Me too. But apparently, it does not exist. Supply and demand in the micro-location decide.

hello,
I would be interested in a meaningful summary regarding the currently real payable land prices (/m²) in relation to the land reference value.
According to BoRiS, without being able to prove this definitively, I have the impression that one should assume about 1.2
(i.e. real prices about 20% above BoRiS).
However, BoRiS is, as far as I know, only updated every 2 years.

Does this correspond to your experiences?

What was the ratio for the parcels of land you purchased?

It varies a lot. For us, BORIS states €100/m². We were lucky and bought a plot 3.5 years ago at the BRW (€40/m²). A month ago, a large prefab house provider sold plots for just under €400/m² (including developer ties). They also sold very quickly.

With us, about a factor of 1.5. Further out in the countryside, I believe it matches quite well.

I think the BRW is not necessarily as "official" as it seems at first glance. The number of data points included in the BRW of an area is probably rather low, since purchases/sales must have taken place at all in order for a market price to be formed at all, which then flows into the calculation of the BRW. When buying/selling occurs, there are often buildings on the property, which of course are taken into account in the purchase price. These must be deducted again for the BRW, which introduces additional uncertainty into the BRW. Back to topic: We bought in a new development area, i.e. there was no BRW for our plot. The BRW of the surrounding areas varies between 60% - 100% of the selling price for our new development area. The plots were allocated by lottery and there were about 150 applicants for approximately 30 plots, meaning the actual market price is likely higher than the selling price of the new development area.

So the BRW is derived annually, but it often lags behind. This is simply due to the thin data situation, because except in new development areas, there are often hardly any sales. However, depending on the location, it is naturally already the case that considerably more is paid.

Especially in desirable areas with few sales, the BRW can hardly capture the price development meaningfully. In other areas, it fits better, which is very different. Also, for example, a single significantly higher-priced sale does not directly lead to the BRW being raised to this level there. New development areas are in any case a somewhat distinct market.

In general, only purchase cases of undeveloped plots are included in the BRW, at most also developed plots intended for demolition. Developed plots can hardly be adjusted for the house built on them.

In general, only purchase cases of undeveloped land, at most developed land scheduled for demolition, are included in the BRW. Developed properties can hardly be adjusted for the house built on them.

I am not sure if that is correct. The BRW indicates the value of an undeveloped plot, but I think sales of developed properties are also included in the calculation. In these cases, the estimated building value is then deducted. Otherwise, many BRWs would not be able to include any transactions at all (e.g., in inner cities where the development has remained constant for decades).