Best Underfloor Heating — Warmup (2026)
6 underfloor heating matching brand “Warmup”, hand-picked from UK Amazon listings.
Not sure which one to pick? Read our Best Underfloor Heating UK (2026) guide.

#1 Pick
Warmup Underfloor Heating StickyMat 150W/m² Electric Heating Mat, 3m² (SPM3)- 150W
£182.99
Pros
- Self-adhesive mat rolls out quickly across regularly shaped floor areas
- Compatible with tile, vinyl, timber and carpet floor finishes
- Does not significantly raise floor height — good for refurbishments
Cons
- Thermostat sold separately on the mat-only kit
- Professional electrician needed for the final connection

£219.99
Pros
- Full kit bundles the sticky mat with fixings ready to install
- Suits refurbishment projects without significantly raising floor height
- Established Warmup brand with UK-wide installer support
Cons
- Thermostat may be sold separately depending on kit size chosen
- Professional electrician needed for the final connection

£173.50
Pros
- Dual-wire cable system suits mid-size bathroom and kitchen floors
- Established Warmup brand with UK-wide installer support
- Covers 3.5-4.4m² in a single kit
Cons
- Thermostat sold separately on the mat-only kit
- Professional electrician needed for the final connection

#4 Pick
Warmup Stickymat SPM2 150W/m2 Self-Adhesive Underfloor Heating Mat, Area 2sqm- 150W/m²
£99.99
Pros
- Self-adhesive backing makes installation under tile straightforward
- From a leading UK underfloor heating brand with long track record
- 150W/m² output warms up quickly under tiled floors
Cons
- Thermostat sold separately on this listing
- Best suited to tiled or stone floors, not carpet

#5 Pick
Warmup Underfloor Heating System DWS300, 1.5-2.4 Sq/Mtr, 300W- 300W
£107.49
Pros
- Established UK underfloor heating brand with strong warranty support
- Compact 1.5-2.4m² coverage suits en-suites and small bathrooms
- Thin cable profile keeps floor build-up to a minimum
Cons
- Thermostat sold separately
- Smaller coverage than the larger Warmup kits

#6 Pick
Warmup Underfloor Heating System DWS800, 4.5-5.9 Sq/Mtr, 800W- 800W
£222.10
Pros
- Larger 4.5-5.9m² coverage suits kitchens and open-plan rooms
- Twin conductor cable design reduces the risk of a single break failing the mat
- Backed by the established Warmup UK support network
Cons
- Higher upfront cost than a small en-suite kit
- Thermostat and installation kit sold separately
At a glance
- Products
- 6
- Price range
- £99.99–£222.10
- Average price
- £167.68
- Average rating
- 4.52 / 5
- Total reviews
- 348
- In stock
- 6
Warmup Underfloor Heating systems are a popular choice for UK homeowners seeking efficient and comfortable warmth. Designed with British weather in mind, Warmup’s electric underfloor heating provides precise temperature control throughout your home. Their modular design allows you to tailor the system to suit any room size, from small bathrooms to large living areas, offering significant energy savings compared to traditional radiators.
The core of a Warmup system is their innovative ‘SmartWire’ technology, which delivers consistent heat distribution and minimizes cold spots. This means even rooms furthest from the control panel will maintain a comfortable temperature. Installation is relatively straightforward, though professional electrical installation is always recommended for safety and optimal performance – ensure you check compatibility with your existing property wiring.
Warmup’s systems are available in various lengths and configurations to match your specific needs. They're known for their reliability and quiet operation, providing a discreet and comfortable heating solution. Remember to consult the Amazon UK listing for detailed technical specifications and current pricing before making your purchase; you'll find options covering both standard and premium features.
FAQ
What kind of electrical connection does a Warmup SmartWire require?
Warmup SmartWires typically connect to a dedicated 13A socket. Always check the specific requirements for your chosen model in the Amazon UK product details to ensure compatibility with your home’s wiring and avoid overloading.
How do I control my Warmup system?
Warmup systems are controlled using their dedicated Smart Control handset. This allows you to set schedules, adjust temperatures, and monitor performance remotely – detailed instructions are included with the controller.
What is the minimum floor covering required for Warmup underfloor heating?
Warmup recommends a minimum floor covering of 6mm for optimal heat transfer. However, thicker floor coverings like carpet or laminate will generally perform better than thinner options like vinyl sheets.
Can I use Warmup with radiators?
While not designed to be used in conjunction with conventional radiators, you can potentially integrate them within your overall heating strategy; however, it’s crucial to consult a qualified electrician before attempting this configuration.
What is the typical installation time for a Warmup system?
Installation times vary depending on room size and complexity. A standard bathroom or small bedroom typically takes 1-2 days with two people working, while larger rooms may require 3-5 days.
Are there any specific wiring requirements I need to be aware of?
All Warmup systems must connect to a dedicated circuit and should be installed by a qualified electrician. Ensure your existing electrical system meets the required current rating for the SmartWire you’ve chosen – specifications are available on Amazon.
What is the warranty period for Warmup SmartWires?
The manufacturer's warranty covers defects in materials and workmanship, typically for 5 years. Please refer to the Amazon UK product page for full details regarding warranty coverage and registration.
How does Warmup compare to other electric underfloor heating brands?
Warmup is often praised for its SmartWire technology, providing superior heat distribution compared to some competing systems. However, pricing and specific features can vary across different brands; research thoroughly on Amazon UK.
Can I add extra SmartWires to my Warmup system later?
Yes, Warmup systems are modular, allowing you to expand the heating area by adding additional SmartWires. Ensure compatibility with your existing control panel before installation – check the product specifications.
What kind of maintenance does a Warmup system require?
Warmup systems generally require minimal maintenance. Periodically check the Smart Control handset for firmware updates and clean the heating elements with a soft, dry cloth if necessary; avoid using harsh chemicals.