Could you give me some smaller notes? <a href="https://www.clearcloudservices.co.uk/about/parents-who-abuse-prescription-drugs-30ec.pdf">drug price control order 2013 list of drugs</a>  But all these savings come at a cost. You need to make an initial investment of around £7,000 to reap the benefit, remembering the lost opportunity cost of investing that cash elsewhere. It can take a decade to break even, so you must be confident of not moving. The EST admits its figures are based on optimum assumptions, a London postcode, where the sun shines more than elsewhere.