10 Best Programmable Room Thermostat Wired in The UK

Last updated on 15/08/2025

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Best Choice

9.9

Exceptional

Honeywell Home

Honeywell Home T6 Wired Smart Thermostat, Black

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Why We Love It

Simple touch-screen interface convenience.
Remote control from anywhere.
Adapts to your routine.

Main Highlights

Smart Scheduling - Customise your heating with a 7-day or 5/2-day schedule, featuring up to 6 daily periods. This Wi-Fi thermostat serves as a smart central heating controller, ensuring optimal comfort and efficiency.
Geofencing Technology - Utilises your smartphone's location to conserve energy while you're away and restore comfort upon your return. This programmable thermostat is ideal for a wide range of boiler systems working with or without wifi.
Intuitive Interface - Featuring a modern, sleek black screen, the large, easy-to-read touchscreen combined with intuitive navigation buttons allows for quick and effortless adjustments to this wall thermostat's settings and temperature control.
Voice Control Ready - Seamlessly integrates with Alexa, Google and Apple ecosystems for convenient management of your thermostat. Features AUTO/MAN/ECO/HOLIDAY modes to suit your lifestyle and enhance energy efficiency.
Extensive Compatibility - Easy to install, this versatile wired thermostat for central heating supports 24-230V on/off OpenTherm appliances, including gas boilers, combi boilers, and heat pumps, ensuring compatibility and efficiency across various systems.

Honeywell T4H110A1021 T4 7 Day Programmable Thermostat, 230 V, White

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Why We Love It

Simplified programming for users.
Smart room heating features.
Flexible scheduling options available.

Main Highlights

Well suited to control combination boiler installations or additional zones in an s plan plus system
Optimum stop, start & delayed start features that learn how the room is heated
On screen text display and function buttons to ensure simplified programming and operation for all users
7-Day programming with 7 day; 5/2 or single day schedules
Four or six independent time & temperature settings (default is 4)

Honeywell-Resideo Totalhome CM927 CM921 CM727 CM721 CMS927 CMS927B1049 (Mk2 Replacement) Wireless Room Thermostat & Receiver TTHWFP - Hanicks

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Why We Love It

Replaces all CM Honeywell thermostats.
Optimum Start & Stop feature.
Long-lasting built-in memory.

Main Highlights

The Pro Series Wireless Programmable Thermostat is a BRAND NEW 2021 launched, 7 day programmable room thermostat designed to replace all existing Honeywell CM Series Wireless Thermostats. The 'Pro Series' is made in the UK by Resideo (who were formally part of Honeywell International Inc.) and distributed by Hanicks Ltd.
The Pro Series Wireless Programmable Thermostat will replace the following Honeywell CM Series products: CM921, CMS921, CMS921B1042 CM927, CMS927, CMS927B1049 CM727, CMS727, CMS727E1016 CM721, CMS721
The Pro Series Wireless Programmable Thermostat works with the following Honeywell Wireless Relay Boxes: BDR91 HC60NG R6660D R8810A OpenTherm Bridge
Replaces all Honeywell CM700 and CM900 series wireless thermostats
Optimum Start & Stop saves energy and money by getting to the correct temperature at the correct time and turning off the heating early if the room temperature is correct.
Updated user interface provide modern ‘on-screen’ feedback
Built-in memory holds the user program indefinitely so that it is never lost – even if you remove the batteries
Easily binds to all existing Honeywell Wireless Relay Boxes. Comes with Instructions on 'How to' for your installation engineer.
Box Contains: 1x Pro Series 7 Day Programmable Wireless Room Unit 2x AA Alkaline Batteries 1x Wall Mount 1x Stand Mount

Honeywell Home DT3 Wired Thermostat for Heating Control with Energy Efficient LED, No WiFi or App Required (Black)

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Why We Love It

Modern design and user-friendly.
Versatile with various systems.
Energy-saving and cost-efficient.

Main Highlights

The Only Thermostat You Need: Built on feedback from professionals, the programmable, intelligent DT3 thermostat range brings together modern design with easy to use functions. Choose a wired or wireless room thermostat to suit any installation.
Versatile: This wall mounted, wired smart thermostat can be installed standalone or part of an existing system, including conventional and combi boilers, and new heating systems. Compatible with hybrid and green heating systems.
User Friendly: Intuitively designed digital thermostat for easy operation. Features capacitive touch buttons and an easy to read, energy efficient, LED based dimming display that turns off when the screen is not in use.
Forward Thinking Design: Backward and forward compatible with both heating and cooling, including gas boilers, combi-boilers, and heat pumps. This system can be integrated with other smart devices from Honeywell Home.
Customer Favourite: This Honeywell thermostat provides easy programming, built in frost protection, and self learning TPI fuzzy logic control. The slim design looks sleek and modern in any home.
Energy Saving Programs: The simple, adjustable home thermostat includes a built in boost mode to increase room temperature for a set time period. Also features a built in eco mode to reduce room temperature for set times to help save on energy costs.
Easy to Install: DT3 wired thermostats come with installation manuals in the box, including QR codes that lead directly to installation videos. Features a wiring plate for easy installation with a variety of systems and applications.

ESI - Energy Saving Innovation Controls

ESI - Energy Saving Innovation Controls ESRTP4RF+ Wireless Programmable Room Thermostat, White

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Why We Love It

Energy saving with multiple modes.
Large, easy-read blue LCD.
Customizable time and temperature events.

Main Highlights

Auto, Manual, Override and Off modes
Energy saving, optimum start, optimum stop, delayed start and TPI selectable
Large, easy to read LCD with blue back light
7 day, 5/2 or 24 hour operation
4 or 6 time and temperature events selectable

Neomitis - Wired 7 Day Programmable Timer - RT7+

Why We Love It

Dual optimization for ultimate efficiency.
User-friendly display for easy navigation.
Boost mode delivers instant comfort.

Main Highlights

Dual optimization feature
Automation: flexible programming and easy modification to combine comfort and savings.
Suitable for all heating applications
Large and easy to understand display
Easy to turn rotary control
Boost mode for immediate comfort
Energy savings from PID control

EPH CP4M Mains Operated PROGRAMMABLE Room Thermostat

Salus RT520 Hard Wired Boiler Plus Compliant Programmable Room Thermostat (Large Display) 5 Year Warranty - Hanicks

Why We Love It

Large, user-friendly display.
Precise temperature control.
Energy and cost efficient.

Main Highlights

Salus RT520 Hard Wired Boiler Plus Compliant Programmable Room Thermostat (Large Display) - Hanicks
Hard Wired (230v) - NOT Wireless
OpenTherm provides more precise control on the boiler through the control of the gas valve
Optimum Start and Optimum Stop
Simple, quick and straightforward operation and setup for all users
Improved ErP rating means better efficiency rating of the whole system and total cost reductions. ErP IV is a benchmark minimum for some EU markets

Salus Controls RT520RF Wireless Thermostat, Boiler Plus Compliant Digital & Electronic Room Thermostat - White

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Why We Love It

Energy saving with Load Compensation.
Precise control through OpenTherm.
Easy to read LCD.

Main Highlights

Digital
Wireless
Programmable
Thermostat

Energy Saving Innovation Controls ESRTP4RF+ Wireless Programmable Thermostat, Wireless Boiler Control Thermostat, Regulate Indoor Temperature Through Programming, Intelligently Control Heating

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Why We Love It

Seamless compatibility with major brands.
Energy savings of 10-15%.
Flexible, wireless installation options.

Main Highlights

Universal On/Off Boiler Thermostat: Compatible with standard On/Off boilers & boilers accepting external thermostat signals, including combi boilers. Works seamlessly with major UK brands: Worcester Bosch Greenstar, Vaillant EcoTEC, British Gas 600/800, Ideal Logic, Baxi EcoBlue, System Boilers, Glow-worm Energy, Viessmann Vitodens.
ESRTP4RF+ Thermostat Wireless-The intelligent ESRTP4RF+ thermostat can be wirelessly programmed to automatically regulate indoor temperatures, thereby minimizing gas consumption and achieving energy savings of 10–15% on heating costs.
Wireless thermostat installation is flexible - The ESRTP4RF+ wireless boiler control thermostat does not require wiring. The thermostat can be placed in any room, with stable signals and a coverage range of 30 meters
Multi-time period editing - The ESRTP4RF+ wireless thermostat can be customized for different time periods and temperatures, and supports manual temporary adjustment to adapt to daily life
Easy to install and use - clear wiring guide, powered by 2 AA batteries（We do not include batteries）, low battery reminder, and simple maintenance.

8.7

Excellent

We scanned 1609 products

We reviewed these offers relevant to the Programmable Room Thermostat Wired within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Honeywell Home, Honeywell, Hanicks, ESI - Energy Saving Innovation Controls, Neomitis, EPH, Salus, Mocikoa, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Programmable Room Thermostat Wired in the market, we considered we took a deep dive into 8046 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is Honeywell Home T6 Wired Smart Thermostat, Black. We love many things about this product by Honeywell Home. What sets it apart from the competition is Simple touch-screen interface convenience. , Remote control from anywhere. , Adapts to your routine.
The best value product for most shoppers and where user satisfaction is continuously the highest is Honeywell T4H110A1021 T4 7 Day Programmable Thermostat, 230 V, White by Honeywell based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Programmable Room Thermostat Wired and the best cost-to-value ratio is Salus Controls RT520RF Wireless Thermostat, Boiler Plus Compliant Digital & Electronic Room Thermostat - Whiteat Salus with a 10% discount.
Our list of the best Programmable Room Thermostat Wired is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Programmable Room Thermostat Wired in The UK

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We scanned 1609 products

We concluded that: