BT Full Fibre 300 broadband: Speeds, pricing and features
Dan Howdle • December 2nd, 2025
With average speeds of 300Mbps, BT Full Fibre 300 is ideal for larger households where multiple people need fast, stable internet at the same time. It can easily handle multiple 4K streams, online gaming, and heavy downloading without lag or buffering.
Features
| Name | BT Full Fibre 300 |
|---|---|
| Download speed | 300Mbps |
| Upload speed | 49Mbps |
| Monthly cost | £30.99 per month |
| Effective monthly cost | £35.71 per month |
| Special offers | £150 reward card |
| One-off cost | £0.00 |
| Contract length | 24 months |
| Router | BT Smart Hub 2 |
| Speed guarantee | Yes – varies by location |
| Availability | 75% of UK homes |
| Phone line | No (optional digital line via VOIP) |
| Compensation | Yes – Ofcom compensation scheme |
Pricing and offers
Enter your postcode on our broadband comparison page to find the latest deals available where you live.
Full Fibre 300
Personal speed guarantee
300Mb
Average speed
No phone line
24
Month contract
Zero upfront cost
£30.99 Per month
Effective monthly cost is calculated by adding up all the monthly costs, price rises and any discounts and dividing it by the contract length.
Claim your BT Reward Card within 3 months of placing your order by entering your details on www.bt.com/manage/bt-reward-card/. You must activate the card within 3 months of it being issued.
How does it compare?
| Broadband Package | Download Speed | Upload Speed | Offer | Monthly Cost |
|---|---|---|---|---|
| Broadband | 10Mbps | 1Mbps | £29.99 per month | |
| BT Fibre 1 | 50Mbps | 9.5Mbps | £150 reward card | £25.99 per month |
| Fibre Essential | 36Mbps | 9.5Mbps | £25.99 per month | |
| BT Fibre 2 | 67Mbps | 19Mbps | £150 reward card | £25.99 per month |
| BT Full Fibre 2 | 80Mbps | 20Mbps | £150 reward card | £25.99 per month |
| BT Full Fibre 150 | 150Mbps | 28Mbps | £150 reward card | £27.99 per month |
| BT Full Fibre 300 | 300Mbps | 49Mbps | £150 reward card | £30.99 per month |
| BT Full Fibre 500 | 500Mbps | 73Mbps | £150 reward card | £31.99 per month |
| BT Full Fibre 900 | 900Mbps | 110Mbps | £175 reward card | £35.99 per month |
