Here are my top 10, (well there is actually 11 but had to add the last one in there) newborn essential items.
Chicco next to me
http://www.boots.com/en/Chicco-Next-2-Me-Side-Sleeping-Crib-Circles_1776386/
Sleepyhead
Feeding Pillow
http://www.boots.com/en/Perfectly-Happy-People-Widgey-Nursing-Pillow-Animal_1046514/
Medela Breast Pump
http://www.boots.com/en/Medela-Swing-Maxi-Double-Electric-Breast-pump_1501163/
Water Wipes
http://www.boots.com/en/WaterWipes-Baby-Wipes-Chemical-Free-Sensitive-60-wipes-_1319738/
Braun Thermometer
http://www.boots.com/en/Braun-Thermoscan-7Series-Thermometer-Ear-IRT6520_1538923/
Swaddle Blanket
https://www.adenandanais.co.uk/all-swaddles/jungle-jam-4-pack-classic-swaddles-2026g
Breastfeeding Cover
http://www.boots.com/en/Mamascarf-Cotton-Breastfeeding-Scarf-Black_1190869/
5ml Syringes
ISO FIX Car seat base
http://www.mothercare.com/car-seat-bases/cybex-q-fix-car-seat-base/765362.html#q=Cybex+q&start=1