1 Socket installation costs between £80 and £200 per socket depending on whether it is a new circuit or an addition to an existing ring. 2 A consumer unit upgrade (fuse box change) typically costs £500 to £900 including materials, labour, and the required Electrical Installation. Socket, Pin connector pattern type CF, connection method: Screw connection, color: gray, nom. voltage: 250 V AC (50 Hz), nominal current: 16 A, for mounting on a DIN rail in the service interface or direct mounting, standards/specifications: VDE 0620-1, IEC 60884-1, Country marking: Germany Socket. Replacing a plug socket typically costs around £75, including labour and materials. The job takes approximately 1 to 2 hours to complete. Get free estimates Are you a trade? Get more work today! How much does it cost to. Expect to pay roughly £100 for a plug single socket and £110 for a double plug socket. Generally, each. 230 V Schuko socket with LED. This product is from a small business brand. Why add a plug socket to a room? Chances are you've run multiple plugs from a single socket with various multi adapters in the past. Or. The cost of replacing a single plug socket typically ranges from £40 - £105. The overall cost will largely depend on the type of socket being installed and the number of sockets that need replacing.