Raising the height of Unit No. 1 to match that of Unit No. 2 (rebuilt following fire damage), application of new metal cladding to the raised walls to match profile and colour of Units No. 1 and No. 2 (as previously approved). Removal of sectional overhead doors to Unit No. 1 and increasing the door opening heights to match those of Unit No. 2. Fitting of thermally insulated roller shutter doors thereto and removal of internal separating wall between units