The Aliens have just announced details of a London show in May via their MySpace blog:

17 Mar 2009, 15:21
Subject: THE ALIENS _ LONDON SHOW
Body: Hello,

Hope your well.

We are back on the road with a London Show on Wed 27th May @ Bush Hall.

310 UXBRIDGE ROAD, LONDON W12 7LJ

Tickets from:

www.seetickets.com
0870 264 3333

www.ticketweb.co.uk
08700 600 100

More shows to be announced this week.

The Aliens xxx

Currently if you visit Seetickets they already have two dates on sale:

27.05.2009 London Bush Hall
28.05.2009 Leeds The Faversham

London show is £13.50 plus booking fee, and Leeds is £10 plus b/f