The regiment's antecedents date to the formation of the 1st Division, Telegraph Battalion, Royal Engineers, in 1905.

[2] In 1993, as a result of the Options for Change force reductions, 1st Armoured Division disbanded, reforming as HQ Lower Saxony District.

[3] After the Army 2020 Refine reforms the regiment was titled as 1 Signal Regiment, and fell under operational command of 11th Signal Brigade.

[6][7] By 2025, the regiment will move from its current location at MOD Stafford to Swinton Barracks in Perham Down, thereby co-locating with the remainder of the regular units of 7th Signal Group.

As of 2020, after its conversion to a "armoured infantry brigade signals" unit, the regiment's squadron include:[9][10]