I like the look of this new model with variable power and hard/carpet floor head, good price for a major name. The long reach (6.9mtr) should mean most can do the stairs without needing to have the cleaner halfway!
Maybe use the Tesco sim trick for free delivery
48 Clubcard points too
Variable power and electronic thermal cut-out. 2000w bagless cylinder with HEPA filtration. 1.9 litre transparent dust container and metal telescopic tubes. Combi floor head vacuums carpets and hard floors. Push button cord rewind. 4.32m power cord with 6.9m max reach. Flexible hose and On-board tools: crevice, dusting and upholstery tools.