S01E07 to be deleted, is a Special - created as S00E01 (Xmas 2012)

S02E09 to be deleted, is a Special - created as S00E02 (Xmas 2013)

S04E09 to be deleted, is a Special - created as S00E03 (Xmas 2014)

S05E09 to be deleted, is a Special - created as S00E04 (Floating Homes)

S06E09 to be deleted, is a Special - created as S00E05 (WWII Special)

S07E10 to be deleted, is a Special - created as S00E16 (24 Hour)

S07E11 to be deleted, is a Special - created as S00E17 (Off Grid)

S07E12 to be deleted, is a Special - created as S00E18 (Great British)

S07E13 to be deleted, is a Special - created as S00E19 (Shoestring)

S07E14 to be deleted, is a Special - created as S00E20 (Young Designers)

S07E15 to be deleted, is a Special - created as S00E21 (European)

S07E16 to be deleted, is a Special - created as S00E22 (Tree House)

S08E09 to be deleted, is a Special - created as S00E26 (Northern Lights)

S08E10 to be deleted, is a Special - created as S00E23 (Winter 2018)

S08E11 to be deleted, is a Special - created as S00E27 (Winter 2019)

S10E09 to be deleted, is a Special - created as S00E29 (Beach Hut)

S10E10 to be deleted, is a Special - created as S00E30 (Observatory)