Lock24h7 is rated 3.8 out of 5 in the category emergency locksmith service. Read and write reviews about Lock24h7. Whether you’re locked out of your house or just want to change the locks to secure your doors, we have tools and experience to get back you into your house or apartment in no time. No matter what time it is, we’re here to help you out as your local residential locksmith in London.(and all surrounding areas)