Not Hythe or Westenhanger
Remember the clues -
About 3 km from Sellindge
On the side of a previously busier 'A' Road
On the side of an 'A' Road and close to a motorway and rail line, all of which head toward Folkestone.
Further clues.
A Lord has a strong connection with this organisation.
There are 4 tracks of rail line at this point.
A fairly new school within the grounds.
The organisation was in another large property on the other side of the road until the lease expired.