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100Mb broadband deals

Compare the latest 100Mb broadband deals from the leading UK broadband providers including Virgin Media, BT, Vodafone and more.

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We found 56 deals for
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Onestream Onestream Supreme Full Fibre 115 Over 12,000 5-star reviews on Trustpilot
100Mb Average speed
 No phone line
24 Month contract
£4.95 upfront cost
£22.89 Effective monthly cost

Effective monthly cost is calculated by adding up all the monthly costs, price rises and any discounts and dividing it by the contract length.
£20.00 until 31 March 2026£22.75 until 31 March 2027£25.50 from 1 April 2027
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NOW NOW Full Fibre 100 £5 fee refunded to first bill
100Mb Average speed
 No phone line
24 Month contract
Zero upfront cost
£25.00 Effective monthly cost

Effective monthly cost is calculated by adding up all the monthly costs, price rises and any discounts and dividing it by the contract length.
Price fixed until April 2026
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Onestream Onestream Supreme Full Fibre 115 Over 12,000 5-star reviews on Trustpilot
100Mb Average speed
 No phone line
12 Month contract
£14.95 upfront cost
£26.06 Effective monthly cost

Effective monthly cost is calculated by adding up all the monthly costs, price rises and any discounts and dividing it by the contract length.
£23.50 until 31 March 2026£26.25 from 1 April 2026
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Sky Sky Full Fibre 100 + Stream + Ultimate TV + Netflix No dish neededStream live TV
100Mb Average speed
150+ TV channels
Pay as you go calls
24 Month contract
Zero upfront cost
£39.00 Effective monthly cost

Effective monthly cost is calculated by adding up all the monthly costs, price rises and any discounts and dividing it by the contract length.
Prices may change during contract. If Sky increase the price during the contract you can exit for free.
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italk italk Full Fibre 115 No price increases during your contract
115Mb Average speed
 No phone line
18 Month contract
£18.95 upfront cost
£30.99 Effective monthly cost

Effective monthly cost is calculated by adding up all the monthly costs, price rises and any discounts and dividing it by the contract length.

 Fixed price guarantee
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Rebel Internet Rebel 115 Broadband Fixed price guaranteeFirst bill payable upfront
115Mb Average speed
 No phone line
24 Month contract
Zero upfront cost
£35.00 Effective monthly cost

Effective monthly cost is calculated by adding up all the monthly costs, price rises and any discounts and dividing it by the contract length.

 Fixed price guarantee Special Offer £60 Amazon Voucher

In order to receive your Amazon voucher, please use code WIFIREBEL in the checkout on the Rebel Internet website.
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Rebel Internet Rebel 115 Broadband Fixed price guaranteeFirst bill payable upfront
115Mb Average speed
 No phone line
12 Month contract
Zero upfront cost
£35.00 Effective monthly cost

Effective monthly cost is calculated by adding up all the monthly costs, price rises and any discounts and dividing it by the contract length.

 Fixed price guarantee Special Offer £40 Amazon Voucher

In order to receive your Amazon voucher, please use code WIFIREBEL in the checkout on the Rebel Internet website.
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Virgin Media Virgin Media M125 Fibre Broadband Fixed price until March 2026 bill
132Mb Average speed
 No phone line
24 Month contract
Zero upfront cost
£22.61 Effective monthly cost

Effective monthly cost is calculated by adding up all the monthly costs, price rises and any discounts and dividing it by the contract length.
£23.99 until 31 March 2026£27.49 until 31 March 2027£30.99 from 1 April 2027
 Special Offer £115 Bill Credit

The Virgin Media bill credit will be applied to your first bills, so you'll pay nothing for the first 4 months and month 5 will be discounted.
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Virgin Media Virgin Media M125 Fibre Broadband + Flex 150+ channelsStream boxFixed price until March 2026 bill
132Mb Average speed
150+ TV channels
No phone line
24 Month contract
£10.00 upfront cost
£32.83 Effective monthly cost

Effective monthly cost is calculated by adding up all the monthly costs, price rises and any discounts and dividing it by the contract length.
£28.99 until 31 March 2026£32.49 until 31 March 2027£35.99 from 1 April 2027
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Virgin Media Virgin Media M125 Fibre Broadband + Calls Fixed price until March 2026 bill
132Mb Average speed
Inclusive weekend calls
24 Month contract
Zero upfront cost
£33.41 Effective monthly cost

Effective monthly cost is calculated by adding up all the monthly costs, price rises and any discounts and dividing it by the contract length.
£29.99 until 31 March 2026£33.49 until 31 March 2027£36.99 from 1 April 2027
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Prices last checked and updated September 15th, 2025. We may earn a commission when you purchase via links on our site. The price you pay will always be equal to or often cheaper than the price you would pay by going direct to the provider. Broadband speeds are dependent on where you live and you may receive slower speeds than listed. Broadband is subject to availability. Please refer to individual broadband provider's terms and conditions before signing up. All prices are inclusive of VAT except business prices.
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