Telecommunications Market Data Update Q1 2021

Published: 29 July 2021
Last updated: 16 March 2023

In the following section we highlight some of the key trends emerging this quarter from the data we collect on the UK telecommunications sector.

Fixed voice services

  • UK fixed voice services generated £1.6bn in revenue in Q1 2021, a fall of £82m (4.9%) compared to the previous quarter. BT’s share of these revenues was 51.0%, a 0.6pp quarter-on-quarter increase.
  • Access and add-on call bundle revenues accounted for 88.3% of fixed voice revenues in Q1 2021.
  • The total number of fixed lines (including PSTN lines, ISDN channels and managed VoIP connections) fell by 551k (1.7%) to 31.8 million in the year to March 2021.
  • There were 11.2 billion minutes of fixed-originated calls in Q1 2021. This was 764 million minutes (3.9%) higher than a year previously, despite a decline of 360 million minutes (3.1%) during the quarter.

Fixed broadband services

  • There were 27.4 million fixed broadband lines at the end of Q1 2021, an increase of 85k (0.3%) from the previous quarter and 454k (1.7%) year-on-year.
  • The number of ADSL lines fell by 564k (11%) in Q1 2021, while the number of cable broadband lines increased by 25k (less than 1%) and the number of ‘Other inc. FTTx’ lines (predominantly fibre broadband connections) increased by 624k (4%).
  • There were 17.4 million ‘other inc. FTTx’ broadband lines at the end of Q1 2021, accounting for 63.6% of all UK fixed broadband connections.

Mobile services

  • Mobile telephony services generated £3.03bn in retail revenues in Q1 2021, a £176m (5.5%) decrease from a year previously.
  • Average monthly revenue per subscriber was £12.09 in Q1 2021, with post-pay subscribers generating more revenue than pre-pay users on average (£14.63 compared to £4.92).
  • The number of active mobile subscriptions (excluding M2M) was 83.3 million at the end of Q1 2021, down 0.1 million (0.1%) from a year previously.
  • Over the same period, the number of dedicated mobile broadband subscriptions increased by 0.4 million (8.5%) to 4.8 million.
  • The number of mobile-originated voice call minutes increased by 3.6 billion (8.0%) to 48.5 billion minutes from Q1 2020 to Q1 2021, with calls to landlines increasing by 8.3% to 10.5 billion minutes.
  • Roaming call volumes decreased by 38.4% to 0.3 billion minutes compared to Q1 2020, the key driver of this fall being travel restrictions that were introduced to combat the spread of Covid-19.
  • The number of mobile messages (including SMS and MMS) saw a significant year-on-year decline, down 5.1 billion messages (34.8%) to 9.6 billion.
  • Data usage continued to increase rapidly, up 280 PB (27.9%) year-on-year to 1,281 PB.

Telecommunications data revenues, volumes and market share update Q1 2021 (PDF, 629.9 KB)

Telecommunications data revenues, volumes and market share update Q1 2021 (CSV, 120.0 KB)