*Non-notifiable electrical installation work must still be designed, installed, inspected, tested and certificated in accordance with BS 7671.
**Calculations undertaken using the government’s SAP calculator which are based on industry averages and are used for guideline purposes only.
***Appliance age and energy rating will affect energy consumption. These figures are based on estimates and are for guideline purposes only. Estimates are based on A rated appliances or higher. Appliance consumption information from Center for Sustainable Energy (www.cse.org.uk)