Norwich-based independent agency Pymm & Co has marked its 20th anniversary with a £1m investment programme that includes the acquisition of rival lettings firm Starkings & Watson and a relocation to a larger headquarters in the city. On the surface, this reads as a modest local business story. Look closer, however, and it offers a revealing window into the structural forces reshaping Britain's regional property agency sector, where consolidation, scale, and diversification have become survival imperatives rather than optional growth strategies.