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Best fitted electric underblankets for beds compared in 2026

A fitted electric underblanket warms the bed before you get in, and the right one depends on a few simple things. We compared bed size, heat settings, timers, washing care and fittings across five options, so you can quickly see which suits your bed and how you like to use it.

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Russell Hobbs Double Fitted Underblanket

Our Top Pick

Best overall

The Russell Hobbs offers a generous 140 x 150cm size, BEAB approval, overheat protection, a 2-year guarantee and a 2m cord at a mid-range price.

View on Amazon UK

Fitted underblankets compared by size, heat and timer

ProductBrandPriceRetailerDimensionsHeat settingsTimer or auto-offMaterial and careControls, fitting or protection
Russell Hobbs Double Fitted UnderblanketRussell Hobbs£26.99Checked 6 Nov 2026, 17:00 UTCAmazon UK140 × 150cm; double3—100% polyester; machine wash at 40°C after removing controller90W; ties; overheat protection; BEAB approval; 2-year guarantee with registration for year two
Silentnight Comfort Control Double UnderblanketSilentnight£40.0Checked 6 Nov 2026, 17:00 UTCAmazon UK135 × 120cm; double5—Soft microfleece; machine washableDigital controller; easy-fit straps; overheat protection
TOPS Double UnderblanketTOPS£30.95Checked 6 Nov 2026, 17:00 UTCAmazon UK160 × 140cm; double32 / 4 / 12 hoursPolyester; machine washableAutomatic shut-off; overheat protection
PROALLER UnderblanketPROALLER£19.99Checked 6 Nov 2026, 17:00 UTCAmazon UK120 × 140cm102 / 4 / 9 hoursPolyester; machine washableAutomatic shut-off
EMtronics Double UnderblanketEMtronics£19.99Checked 6 Nov 2026, 17:00 UTCAmazon UK135 × 120cm; double3—100% polyester; machine washable up to 40°COverheat protection

Please check the Amazon page for the current price.

Our picks of the best fitted electric underblankets

Russell Hobbs Double Fitted Underblanket

Best overall

Russell Hobbs Double Fitted Underblanket

A double underblanket with a generous 140 x 150cm size, BEAB approval and a registered second-year guarantee.

The Russell Hobbs measures 140 x 150cm, larger than the 135 x 120cm Silentnight and EMtronics options. It has three heat settings and overheat protection, and it carries BEAB approval. Ties hold it to the bed, and the 2m power cord adds some flexibility. It can be washed at 40°C once the detachable control is removed. A 2-year guarantee is included, with the second year after registration.

Price£26.99Checked 6 Nov 2026, 17:00 UTC

Key Details

Dimensions
140 × 150cm; double
Heat settings
3
Material and care
100% polyester; machine wash at 40°C after removing controller
Controls, fitting or protection
90W; ties; overheat protection; BEAB approval; 2-year guarantee with registration for year two

What We Like

  • BEAB approval and overheat protection
  • Large 140 x 150cm size with a 2-year guarantee

Considerations

  • Only three heat settings, compared with PROALLER’s ten
View on Amazon UK
Silentnight Comfort Control Double Underblanket

Best for fine heat control

Silentnight Comfort Control Double Underblanket

A good pick if you want five heat settings and a digital controller to set the warmth just how you like it.

The Silentnight Comfort Control gives you five heat settings through a digital controller, which offers more choice than the three-setting models here. It has overheat protection, easy-fit straps for keeping it in place and a soft microfleece surface. It is machine washable, which makes day-to-day care simple. At 135 x 120cm, it is a little shorter than some other double options.

Price£40.0Checked 6 Nov 2026, 17:00 UTC

Key Details

Dimensions
135 × 120cm; double
Heat settings
5
Material and care
Soft microfleece; machine washable
Controls, fitting or protection
Digital controller; easy-fit straps; overheat protection

What We Like

  • Five heat settings with a digital controller
  • Soft microfleece with easy-fit straps

Considerations

  • Smaller 135 x 120cm size than the Russell Hobbs and TOPS options
View on Amazon UK
TOPS Double Underblanket

Best for timer choice with a larger fit

TOPS Double Underblanket

A sensible mid-priced double with an auto-off timer, overheat protection and a roomy 160 x 140cm size.

The TOPS underblanket measures 160 x 140cm, making it the widest of the five. It has three heat settings and a choice of 2, 4 or 12-hour auto-off timers, so it can switch itself off after your chosen time. Overheat protection is included, and the polyester blanket is machine washable. It suits anyone who wants a wider blanket and a timer without paying the highest price here.

Price£30.95Checked 6 Nov 2026, 17:00 UTC

Key Details

Dimensions
160 × 140cm; double
Heat settings
3
Timer or auto-off
2 / 4 / 12 hours
Material and care
Polyester; machine washable
Controls, fitting or protection
Automatic shut-off; overheat protection

What We Like

  • Widest size at 160 x 140cm
  • 2, 4 or 12-hour auto-off timer

Considerations

  • Only three heat settings
View on Amazon UK
PROALLER Underblanket

Best for heat settings on a budget

PROALLER Underblanket

A low-priced option with ten heat settings and a timer, though it is the smallest blanket in the group.

The PROALLER stands out for offering ten heat settings, the most of any blanket here, plus a 2, 4 or 9-hour timer with automatic shut-off. It is made from polyester and is machine washable. At 120 x 140cm it is the smallest in this comparison, so check your mattress size before buying. It is worth a look if you want lots of control for a small outlay.

Price£19.99Checked 6 Nov 2026, 17:00 UTC

Key Details

Dimensions
120 × 140cm
Heat settings
10
Timer or auto-off
2 / 4 / 9 hours
Material and care
Polyester; machine washable
Controls, fitting or protection
Automatic shut-off

What We Like

  • Ten heat settings for fine control
  • 2, 4 or 9-hour auto shut-off timer

Considerations

  • Smallest size at 120 x 140cm
View on Amazon UK
EMtronics Double Underblanket

Best simple budget buy

EMtronics Double Underblanket

A straightforward, low-priced double underblanket with overheat protection and easy washing at 40°C.

The EMtronics keeps things simple with three heat settings and overheat protection. It is 100% polyester and can be machine washed up to 40°C once unplugged. At 135 x 120cm it suits a standard double, though it is shorter than some rivals. It is a sensible choice if you want a basic underblanket without paying for the wider range of heat settings on the PROALLER.

Price£19.99Checked 6 Nov 2026, 17:00 UTC

Key Details

Dimensions
135 × 120cm; double
Heat settings
3
Material and care
100% polyester; machine washable up to 40°C
Controls, fitting or protection
Overheat protection

What We Like

  • Overheat protection at a low price
  • Machine washable up to 40°C

Considerations

  • Only three heat settings, compared with PROALLER’s ten
View on Amazon UK