B&M – Watford – Opening Hours & Store Details You will find B&M Store situated at an ideal position on High Street, approximately a 0.36 mile drive west of the centre of Watford (not far from High Street). This discount store is an added feature to the districts of Rounton, Tudor Estate, Holywell, Watford Heath, The Rookery, Watford Town Centre, West Watford and North Watford. Today (Friday), opening hours start at 8:00 am and end at 6:30 pm. Read the specifics on this page for B&M Watford, including the operating times, map, product ranges and further significant details.