Who owns the land related to Vistry Group planning application 3/23/1447/OUT for 350 houses?
It seems the land is owned by a local family who have lived and worked here for many generations.

Can I confirm this with Land Registry?
Yes.
Go to gov.uk/search-property-information-land-registry
Search for title number HD497959

Why would they be selling this land to a developer when over 1000 residents objected to the last application, we have a Neighbourhood Plan rejecting it and EHDC refused it?
Please ask them.

Who owns the land related to Wheatley Group planning application 3/23/1390/FUL for 68 houses?
We are in the process of finding this out. If you know the answer already and they are local, please ask them why they think this is good for Buntingford.

Who owns the land related to the Taylor Wimpey planning application north of Hare Street Road for 200+ houses?
We are in the process of finding this out. If you know the answer already and they are local, please ask them why they think this is good for Buntingford.

Who owns the land related to the Hallam Land Management consultation west of Buntingford for 600+ houses
We are in the process of finding this out. If you know the answer already and they are local, please ask them why they think this is good for Buntingford.