About Us Sammy Group Are experienced and professional appliance install & repair engineers covering Greater London and surrounding arreas. We bring years of knowledge and experience, to our wide range of domestic services. . All of our engineers are qualified electricians or gas safe registered ! For all the electrical & gas appliances. Arreas We Cover Camden Town, London Hampstead, London Chigwell Tottenham, London Enfield Hackney Edmonton Green London Essex Hertfordshire Brent Cross, London Stamford Hill, London Walthamstow Stratford Ilford Greenwich Shoreditch Islington