1. Feed-in Tariffs: Solar PV Consultation, Standard Note: SN/SC/6112;Ares,2011
2. A review of installed solar photovoltaic and thermal collector capacities in relation to solar potential for the EU-15;Celik;Renewable Energy,2009
3. Coinmill, 2011. Available from 〈http://coinmill.com/〉. (accessed 01.12.11).
4. Council of Mortgage Lenders (CML), 2012. Available from 〈http://www.cml.org.uk/cml/consumers/guides/buytolet〉. (accessed 2407.12).
5. Department for Communities and Local Government (DCLG), 2006. Building a Greener Future: Towards Zero Carbon Development, DCLG. UK, pp.1–39.