"Today's decision creates a new force in the UK's telecoms market and unlocks the investment needed to build the network infrastructure the country deserves," Vodafone CEO Margherita Della Valle said in a press release.

CMA requires commitments
The legally binding commitments require Vodafone and Three to create their 5G network over the next eight years.

Vodafone has previously said the combined entity would invest £11 billion into U.K. telecommunications infrastructure.