I don't know... to me, it sounds like there were existing rules in place, the builders failed to check if their plan complied with these existing rules, and they are ordered to tear down their building because they did not follow these existing rules.
Maybe the existing rules need to be changed (ok, YES they do), but they shouldn't have built something that doesn't comply with them in the first place.
Yes, you can rest assured that there is no shortage of rules and laws in place. Dont break any or you may get fined.
It is illegal to be drunk on Licensed Premises (such as a pub or bar).
It is illegal to eat mince pies on December 25.
It is illegal to die in the Houses of Parliament.
It is illegal to go within 100 yards of the queen when not wearing hose, socks or stockings.
It is illegal for a lady to eat chocolates on a public conveyance.
It is illegal to stop and collect an animal you have hit with your car, however the person behind you can.
It is legal for a male to urinate in public, as long it is on the rear wheel of his motor vehicle and his right hand is on the vehicle.
A bed may not be hung out of a window.
With the exception of carrots, most goods may not be sold on a Sunday.
Women are permitted to go topless in Liverpool provided they work as a clerk in a shop selling tropical fish.
Placing a postage stamp that bears the Queen (or King) upside down is considered treason.
Any whale washed up on the shore is the property of the Queen, so she can use its bones for her corset.
A pregnant woman may relieve herself anywhere she likes, including (if she requests) in a policeman’s helmet.
Any person found breaking a boiled egg at the sharp end will be sentenced to 24 hours in the village stocks (enacted by Edward VI).
It is lawful to kill a Scotsman in York if he is carrying a bow and arrow.
In Hereford you can shoot a Welsh person on a Sunday, with a longbow, in the Cathedral Close.
You can shoot a Welsh person with a bow and arrow in Chester, inside the city walls and after midnight.
An English inspector may order a Welsh person to tear down his house if he desires to do so. (Not a law yet
)