i'm in portslade and get 20mb 95% of the time now, but only since i bought a mini pci pre-n card for my laptop and a pre-n for the main pc and a pre-n router,i tried three differant routers a linksys and belkin these where both rubbish and didn't give any improvements over an old buffalo 108mb 54g wifi router then i bought a d-link dir655 bang my speeds shot upto 20mb and haven't dropped below 17.4