▁the ▁estate ▁wood lands ▁were ▁restored ▁and ▁a ▁million ▁trees ▁were ▁plant ed . ▁ ▁However , ▁by ▁ 2 0 0 1 ▁St ▁G iles ▁House ▁was ▁recorded ▁on ▁the ▁Register ▁of ▁Build ings ▁at ▁R isk , ▁indicating ▁its ▁neglect ▁and ▁decay . ▁Following ▁his ▁inheritance ▁of ▁the ▁estate ▁in ▁ 2 0 0 5 , ▁the ▁ 1 2 th ▁Earl ▁emb ark ed ▁on ▁an ▁am bit ious ▁rest oration ▁of ▁the ▁House ▁and ▁park . ▁His ▁achiev ement ▁was ▁recogn ised ▁in ▁ 2 0 1 5 , ▁when ▁St ▁G iles ▁won ▁the ▁Historic ▁H ouses ▁Association ▁and ▁S othe by ’ s ▁Rest oration ▁Award ▁for ▁that ▁year . ▁The ▁family ▁have ▁returned ▁to ▁live ▁in ▁St ▁G iles , ▁res iding ▁in ▁an ▁a partment ▁in ▁one ▁wing . ▁ ▁Garden ▁gro tto ▁and ▁estate ▁park ▁The ▁garden ▁gro tto , ▁c . ▁ 1 7 5 1 – 5 3 ▁and ▁the ▁estate ▁park ▁itself ▁are ▁both ▁recorded ▁on ▁the ▁Register ▁as ▁a ▁Gra de ▁II * ▁listed ▁buildings . ▁The ▁Gra de ▁II * ▁list ▁records ▁buildings ▁( and ▁par ks ▁and ▁gard ens ) ▁that ▁are ▁" part icular ly ▁important ▁[ with ] ▁more ▁than ▁special ▁interest ". ▁ ▁Bu ilt ▁of ▁fl int ▁and ▁rub ble ▁with ▁a ▁t iled ▁and ▁sl ated ▁roof , ▁the ▁gro tto ▁is ▁position ed ▁so ▁that ▁the ▁structure ▁appears ▁to ▁be ▁the ▁source ▁of ▁a ▁spring ▁feed ing ▁the ▁orn amental ▁lake .