The new 12,000ft2 collection branch at Pampisford offers timber, sheet materials, other building products, paint, ironmongery and hand and power tools.
Ridgeons also plans to open a purpose-built 20,000ft2 branch on a four-acre site in Peterborough in May, bringing the total number of company branches to 20.
The group has a five-year organic growth and acquisition strategy to strengthen its presence in its core East Anglia and east Midlands region, as well as spread branch operations west.