Targets: Oxbridge, UCL, LSE, Warwick, Imperial (postgraduate economics course)
Upper Semi-targets: Bristol, Nottingham, Durham, Bath
Lower Semi-targets: KCL, Manchester, Loughborough, Edinburgh, Exeter, and a few others
Rest are non-targets
Most IB and consultancy people come from the targets, some from semi-targets, and very few from non-targets but it is still possible, just depends on your determination.