Need a certification for an installation - Electrical job in East Ham, East London

Job description

I have built a room externally (an outbuilding utility room) attached to the house on the rear end of the kitchen which is wired through the kitchen by the builder in 2015. I DO HAVE a certification for the rest of the house. I need a BS7671 Electrical Safety Certificate for this room ONLY.

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A very honest & simple good person. He does the job very well more than expected standard. Very punctual on our job. After a long time I can say that I met a good reliable person who does a good job for the money paid. I am 100% satisfied with the outcome and boldly recommend to any person without having any second thoughts.
Do good things in life & it will reward you one day another way.