XIV Brigade, RHA was reformed in September 1914 with C Battery (from II Brigade, RHA), F Battery (from IV Brigade, RHA) and XIV RHA Brigade Ammunition Column. It joined 7th Division at Lyndhurst on formation. With 7th Division, it crossed to Belgium on 4 and 5 October 1914 (landing at Zeebrugge on 6 October) and served with the division on the Western Front until February 1917. While with the division, it saw considerable action serving at the Siege of Antwerp, the First Battle of Ypres, and in the battles of Neuve Chapelle, Aubers Ridge, Festubert, Loos, and of the Somme.