Garden workshop height under PD

[Jimmycliff]

Hello all,

 

I am planning a garden workshop under PD. 15m square floor space and 2.5m height with probably mono pitched roof.

 

My question relates to where in my garden I can measure the overall height as my house sits about 400mm above the lawn level. 
 

Between the house and the garden room site, there is a small patio (at ‘house height’) then a good 5m expanse of lawn at the lower level. 
 

Would I be able to take my reading for max height from the patio (ie ~400mm higher than build site)? Or does the building have to be in contact with the higher ground for this to be viable?

 

I have watched Ali Dymock’s (excellent) videos on this, and feel the answer is the latter, but thought I would enquire here to see if anyone has any extra intel. Apologies if this has been covered elsewhere.

Thanks in advance,

 

Jimmy

 

[markc]

Height is from ground adjacent to the structure

[ProDave]

You measure the height from the highest point of the actual ground that the building sits on.  The ground level at other parts of the garden is irrelevant.

[Conor]

Aye, local ground level. You can of course, alter the hight of the ground if required...

[Jimmycliff]

Cheers all, as I thought