There are several causes or reasons for slow internet which can range from product/service availability, Router quality, Provider, plan suitability etc.
In the past 12 months many exchanges have been upgraded with ADSL2+, Ethernet and Fibre options. Hemmant for example has always been an area of trouble, but it now has business grade wireless and fibre options.
Drop us a line if you would like a free service qualification done on your address. This will show you which Carriers service your location along with pricing and expected speeds based on conditions like distance from the exchange. We can also check the status of NBN (National Broadband Network) for your location.