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Three mobile broadband deals

Get rapid 4G and 5G home broadband from Three without a landline. Experience average 5G speeds of 150Mbps with deals starting from £15 a month.

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4 deals available at
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Three Three 4G Unlimited Home Broadband 150Mbps average download speeds30-day money back guaranteeNext day delivery
4Gdownload speed
 No phone line
24 Month contract
Zero upfront cost
£15.00 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.
£15.00 until 31 March 2026£18.50 until 31 March 2027£22.00 from 1 April 2027
 Special Offer Lowest ever price – save £48

Reduced from £17 per month, now at it's lowest ever price.
Check nowarrow icon pointing to the right
Three Three 5G Unlimited Home Broadband 150Mbps average download speeds30-day money back guaranteeNext day delivery
5Gdownload speed
 No phone line
24 Month contract
Zero upfront cost
£15.00 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.
£15.00 until 31 March 2026£18.50 until 31 March 2027£22.00 from 1 April 2027
 Special Offer Lowest ever price – save £48

Reduced from £17 per month, now at it's lowest ever price.
Check nowarrow icon pointing to the right
Three Three 5G Unlimited Home Broadband 150Mbps average download speeds30-day money back guaranteeNext day delivery
5Gdownload speed
 No phone line
12 Month contract
Zero upfront cost
£24.00 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.
£24.00 until 31 March 2026£27.50 from 1 April 2026
Check nowarrow icon pointing to the right
Three Three 4G Unlimited Home Broadband 150Mbps average download speeds30-day money back guaranteeNext day delivery
4Gdownload speed
 No phone line
12 Month contract
Zero upfront cost
£24.00 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.
£24.00 until 31 March 2026£27.50 from 1 April 2026
Check nowarrow icon pointing to the right
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Average monthly cost
We take the total cost of the contract including all fees and divide it by the contract length giving you an average cost for comparison.
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Our expert advisors have access to special offers and can create a personalised package just for you. Give us a call!

Call 0300 131 9989

We're available from 8am-9pm, Monday to Sunday

Prices last checked and updated December 12th, 2025. Broadbandchoice 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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