If I was looking to study theology at undergraduate or graduate level, based on staff line-ups.
1. St. Andrews - N. T. Wright, John Webster*, Alan Torrance, Stephen Holmes, Ivor Davidson, Grant Macaskill, John Perry*, James Davila, Trevor Hart, David Brown (Strengths - Doctrine and New Testament)
2. Durham - John Barclay, Lewis Ayres, Francis Watson, Karen Kilby*, Mike Higton*, Anna Rowlands*, Matthew Guest, Walter Moberly, Mark McIntosh, Paul Murray, Gerald Loughlin (Strengths - New Testament and Catholic Theology)3. Aberdeen - Bernd Wannenwetsch, John Swinton, Brian Brock, Paul Nimmo*, Tom Greggs, Christopher Brittain, Philip Ziegler (Strengths - Practical Theology and Ethics)
4. Cambridge - David Ford, Sarah Coakley, Janet Martin Soskice, Simon Gathercole, Nathan MacDonald, Katherine Dell, Eamon Duffy, Anna Williams, Judith Lieu (Strengths - Doctrine and Philosophical Theology / InterFaith)
5. Edinburgh - David Fergusson, Paul Nimmo, Michael Northcott, Brian Stanley, David Grumett (In the Emeritus category they have Duncan Forrestor, Larry Hurtado, and now Oliver O'Donovan) (Strengths - Doctrine and Ethics)
6. Oxford - Nigel Biggar, Paul Fiddes, Graham Ward, Markus Bockmuhel, Diarmaid MacCulloch, Christopher Rowland, John Barton, Christopher Hays, Martyn Percy, George Pattison, Sarah Foot (Strengths Doctrine, Ethics and Old and New Testament)
7. King's College London - Ben Quash, Oliver Davies, Edward Adams, Alister McGrath, Pete Ward, Paul Janz, Dominic Erdozain, Susannah Ticciati, Paul Joyce (Strengths - Practical Theology and Doctrine)
8. Nottingham - John Milbank, Connor Cunningham, Simon Oliver, Richard Bell, Philip Goodchild (Strengths - Home of Radical Orthodoxy)
9. Exeter - Timothy Gorringe, David Horrell, Esther Reed, Francesca Stavrakopoulou, Morwenna Ludlow, Christopher Southgate
10. Chester - David Clough, Chris Baker, Ben Fulford, Elaine Graham, Willam Kay, Hannah Bacon, Wayne Morris, Steve Knowles (Strengths - Practical Theology)
* new appointment this summer
Where some theology and biblical studies departments have been under threat in recent years (Sheffield, Gloucester), both St. Andrews and Durham are currently expanding their departments.