Buying guide
Hubs and bridges: the hidden extra cost of smart heating
GuideDraft for owner review — wording and facts to be checked against sources before launch.
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The short answer
Many smart heating products talk to your Wi-Fi through a small hub or bridge. If you don’t already own the right one, add its price before comparing. The figures below are from each manufacturer’s UK shop on 5 November 2026.
What each system needs
| Product | Extra item needed | Extra cost | When you can skip it |
|---|---|---|---|
| Hive Thermostat Mini (£79) | Hive Hub | £80 | You already have a Hive Hub |
| Hive Thermostat (£119) | Hive Hub | £80 | You already have a Hive Hub |
| Hive Radiator Valves (£59) | Hive Hub (not the original Hub 1) | £80 | You already have a compatible Hive Hub |
| tado° Wireless Smart Thermostat X Starter Kit (£159.99) | Nothing | £0 | The Programmer X is itself a Thread border router |
| tado° Wired Smart Thermostat X 2nd gen (£109.99) | Bridge X or another Thread border router | £59.99 (on sale at £49.99 when checked) | You have the Starter Kit or another compatible Thread border router |
| tado° Smart Radiator Thermostat X (RRP £79.99; £59.99 on sale when checked on 6 Nov 2026) | Bridge X or another Thread border router | £59.99 (on sale at £49.99 when checked) | As above |
| Wiser 1 Channel or 2 Channel kit (£247.80) | Nothing | £0 | The HubR is included |
| Wiser Radiator Thermostat 2nd Gen (£59.99) | Wiser 2nd Generation HubR | Included in Wiser kits | You have a Wiser 2nd Gen kit |
| Netatmo Additional Smart Radiator Valve (£79.99) | A Netatmo thermostat or the valve starter pack | Varies | You have a Netatmo system |
A worked example
Upgrading a combi-boiler home with a thermostat and two radiator valves, starting from nothing:
- Hive: Thermostat Mini £79 + Hive Hub £80 + 2 valves £118 = £277
- tado°: Starter Kit £159.99 + 2 Smart Radiator Thermostats X £199.98 = £359.97 (no bridge needed)
- Wiser: 1 Channel kit £247.80 + 2 Radiator Thermostats £119.98 = £367.78 (the 1 Channel kit was sold out when checked; Wiser also sells a room + radiator thermostat bundle)
Prices change, and subscriptions are extra if you choose them. Check each product page for the latest checked price.
Subscriptions are separate
Hubs are a one-off cost. Subscriptions such as tado° AI Assist (£3.99 a month) or Hive+ (£3.99 a month or £39.90 a year) are optional and recurring — see each product page.
Our picks
tado° Wireless Smart Thermostat X Starter Kit (with Hot Water Control and OpenTherm)
Best for: Homes that may later add room-by-room control, including heat-pump homes.
Wiser by Drayton Radiator Thermostat (2nd Generation)
Best for: Room control in a Wiser system without any subscription.