They aren't, there are no regulations on this. I hope you get what you wish for.

strken · on June 2, 2019

There are usually quite a lot of regulations on dwellings, often including room size, layout, window placement, ceiling height, etc.

The specific "guidelines" for places I've lived are:

The San Francisco guidelines are particularly onerous, but the Victorian guidelines still set e.g. minimum sizes for bedrooms and living areas.

geofft · on June 2, 2019

In the US there certainly are regulations on that!

JumpCrisscross · on June 1, 2019

> there are no regulations on this

Of course there are. FAR limits, zoning rules, all manner of review processes inhibiting construction, et cetera.