I'm a northern monkey as well and never heard of cheggies ... Teapot ,what's wrong with bags on bits of string?
We use one of those enamelled tin ones with fake painted flowers on it as sold by waterways museums as bargees teapots. Doesnt drip.
This is what you need. The best teapot on the market, we have one, although it is a bit heavy when full. £18 on ebay http://www.ebay.co.uk/itm/Classic-B...401797?hash=item1c786b9945:g:ksUAAOSw-4BXYnqO Or £25 in our local rip off shop.
Or you could get my lads girlfriend to make you a bespoke hand made/painted one like this one she made for my Mrs. I would sit down before you get the -price though!
We have - and a don't like to boast here - a tea cosy hand knitted by Pauline McLynn, aka Mrs Doyle. Beat that!