Looking for reliable electrical contractors in London? D.E.F. Group offers professional electrical, plumbing, and heating services across Highgate, Hampstead, Barnet, Camden, Islington, Haringey, and all of North and Central London. Our certified electricians and Gas Safe engineers are known for delivering high-quality installations, repairs, and maintenance work—always safely and eff... https://defgroup.co.uk/electrical/local-electrical-contractor/