2 2 6 ▁the ▁hall , ▁but tery , ▁and ▁disp ens ary ▁were ▁rep a ired . ▁Work ▁probably ▁did ▁not ▁begin ▁on ▁the ▁keep ▁until ▁ 1 2 2 6 . ▁It ▁was ▁mostly ▁rep a ired ▁by ▁ 1 2 2 7 , ▁but ▁work ▁continued ▁on ▁it ▁until ▁ 1 2 3 2 . ▁During ▁ 1 2 3 0 ▁and ▁ 1 2 3 1 ▁a ▁stone ▁wall ▁div iding ▁the ▁castle ' s ▁en closure ▁into ▁two ▁parts ▁was ▁built ▁which ▁no ▁longer ▁surv ives . ▁While ▁attention ▁was ▁paid ▁to ▁making ▁the ▁castle ▁a ▁working ▁fort ification , ▁Henry ▁III ▁also ▁fund ed ▁construction ▁of ▁resident ial ▁and ▁other ▁buildings . ▁In ▁ 1 2 4 4 , ▁£ 1 3 2 ▁was ▁spent ▁on ▁building ▁a ▁second ▁chap el ▁next ▁to ▁the ▁royal ▁apart ments . ▁St ables ▁and ▁an ▁al mon ry ▁were ▁added ▁in ▁ 1 2 4 8 . ▁The ▁main ▁gate house ▁was ▁re built ▁between ▁ 1 2 4 9 ▁and ▁ 1 2 5 0 ▁at ▁a ▁cost ▁of ▁over ▁£ 1 2 0 . ▁Further ▁rep airs ▁were ▁carried ▁out ▁on ▁the ▁keep ▁in ▁ 1 2 5 6 , ▁this ▁time ▁cost ing ▁more ▁than ▁£ 1 2 0 . ▁Later ▁in ▁the ▁de cade ▁further ▁attention ▁was ▁paid ▁to ▁the ▁castle ' s ▁def ences , ▁possibly ▁in ▁response ▁to ▁Henry   III ' s ▁w ors ening ▁relations ▁with ▁his ▁bar ons . ▁ ▁Henry