UK broadband availability by postcode district

Ofcom's Connected Nations 2025 release reports, for every residential postcode, the share of premises that can get gigabit-capable, ultrafast and superfast broadband (data as at July 2025). These pages list that data for the 50 largest postcode districts by number of postcodes, one page per district, with a table of every postcode. Availability is not take-up and not a guarantee for one address; use Ofcom's checker for an address.

Bath (BA)

  • BA2 — gigabit-capable 73.5% on average across 2,105 postcodes

Belfast (BT)

  • BT34 — gigabit-capable 94.1% on average across 1,421 postcodes

Blackburn (BB)

  • BB5 — gigabit-capable 90.1% on average across 1,355 postcodes

Bolton (BL)

  • BL1 — gigabit-capable 92.9% on average across 1,558 postcodes

Bournemouth (BH)

  • BH23 — gigabit-capable 84.5% on average across 1,447 postcodes

Brighton (BN)

  • BN1 — gigabit-capable 84.8% on average across 1,372 postcodes
  • BN2 — gigabit-capable 87.6% on average across 1,495 postcodes

Bristol (BS)

  • BS16 — gigabit-capable 88.4% on average across 1,935 postcodes

Cardiff (CF)

  • CF14 — gigabit-capable 96.0% on average across 1,536 postcodes
  • CF5 — gigabit-capable 94.0% on average across 1,383 postcodes

Chelmsford (CM)

  • CM3 — gigabit-capable 72.9% on average across 1,508 postcodes

Chester (CH)

  • CH7 — gigabit-capable 83.6% on average across 1,493 postcodes

Colchester (CO)

  • CO10 — gigabit-capable 74.4% on average across 1,566 postcodes

Coventry (CV)

  • CV6 — gigabit-capable 99.4% on average across 1,401 postcodes

Croydon (CR)

  • CR0 — gigabit-capable 84.8% on average across 2,607 postcodes

Doncaster (DN)

  • DN14 — gigabit-capable 87.9% on average across 1,578 postcodes

East London (E)

  • E14 — gigabit-capable 86.1% on average across 1,526 postcodes
  • E17 — gigabit-capable 93.7% on average across 1,376 postcodes

Edinburgh (EH)

  • EH4 — gigabit-capable 95.7% on average across 1,612 postcodes

Gloucester (GL)

  • GL2 — gigabit-capable 88.7% on average across 1,356 postcodes
  • GL51 — gigabit-capable 94.7% on average across 1,454 postcodes
  • GL7 — gigabit-capable 62.2% on average across 1,506 postcodes

Ipswich (IP)

  • IP14 — gigabit-capable 66.5% on average across 1,519 postcodes

Leicester (LE)

  • LE12 — gigabit-capable 59.8% on average across 1,515 postcodes
  • LE2 — gigabit-capable 97.5% on average across 1,917 postcodes
  • LE3 — gigabit-capable 98.7% on average across 1,686 postcodes
  • LE4 — gigabit-capable 99.5% on average across 1,716 postcodes
  • LE67 — gigabit-capable 82.5% on average across 1,379 postcodes

Manchester (M)

  • M33 — gigabit-capable 96.9% on average across 1,461 postcodes

North London (N)

  • N1 — gigabit-capable 95.8% on average across 1,941 postcodes

North West London (NW)

  • NW10 — gigabit-capable 74.5% on average across 1,554 postcodes

Nottingham (NG)

  • NG17 — gigabit-capable 90.1% on average across 1,495 postcodes
  • NG5 — gigabit-capable 97.2% on average across 1,784 postcodes
  • NG9 — gigabit-capable 92.9% on average across 1,479 postcodes

Peterborough (PE)

  • PE28 — gigabit-capable 79.3% on average across 1,499 postcodes

Preston (PR)

  • PR1 — gigabit-capable 87.7% on average across 1,429 postcodes
  • PR2 — gigabit-capable 88.5% on average across 1,568 postcodes
  • PR3 — gigabit-capable 73.3% on average across 1,373 postcodes
  • PR4 — gigabit-capable 68.1% on average across 1,711 postcodes
  • PR7 — gigabit-capable 89.3% on average across 1,369 postcodes

Reading (RG)

  • RG7 — gigabit-capable 84.9% on average across 1,370 postcodes

Redhill (RH)

  • RH10 — gigabit-capable 80.9% on average across 1,599 postcodes

Slough (SL)

  • SL6 — gigabit-capable 78.8% on average across 2,090 postcodes

South East London (SE)

  • SE1 — gigabit-capable 84.5% on average across 1,467 postcodes

South West London (SW)

  • SW19 — gigabit-capable 84.8% on average across 1,486 postcodes

Southampton (SO)

  • SO16 — gigabit-capable 89.3% on average across 1,458 postcodes

Stoke-on-Trent (ST)

  • ST3 — gigabit-capable 93.8% on average across 1,513 postcodes
  • ST5 — gigabit-capable 90.0% on average across 1,847 postcodes
  • ST6 — gigabit-capable 91.8% on average across 1,453 postcodes

Torquay (TQ)

  • TQ12 — gigabit-capable 83.0% on average across 1,506 postcodes

Source: Ofcom, Connected Nations 2025 fixed-coverage data downloads (postcode-level residential files, July 2025), Open Government Licence. District figures are unweighted means across postcodes. No affiliate links on these pages.