Banham are experts in the security industry and have been providing high quality security solutions for homes and business since 1926. The Banham family suffered a series of burglaries in 1926 and this prompted William Banham to invent the first ever automatic door bolt. Banham Group is now the largest supplier of burglary and fire prevention systems in London. We stock the high security Banham Nightlatch which offers door security that is second to none.