The 10 Best Carpet Underlay Reviews For UK Floors (2021)

Best Carpet Underlay Reviews

Last Updated on July 3, 2021

Carpet underlay is more than just a luxury. It provides more cushioning and insulation from the cold, it absorbs noise and lengthens the life of your carpet. But how do you choose the right one for your floor? From rubber to felt, crumb, and polyurethane, here are the best comfort layers for your carpet!

Our Top 3 Carpet Underlay Picks
1. The Best Carpet Underlay By Flooring Online UK
2. The Best Carpet Underlay That Is Easy To Install By Underlay Supplies
3. The Best Wool Carpet Underlay By Wilsons Underlays

The Best Carpet Underlays Reviewed In 2021

1. The Best Carpet Underlay By Flooring Online UK

Red Rubber Carpet Underlay By Flooring Online UK

We picked this underlay as the best choice because it can be used with all types of floors. So, it doesn’t matter if you have tiles or timber, the underlay will add extra luxury to your step and more durability to your carpets. Let’s have a quick look at the best features you can expect.

The underlay is a luxurious 11.4 mm thick and crafted from the softest sponge rubber. This material ensures that your carpet has a longer life, increasing its durability by 40%. This is very cost-effective in the long run.

It comes with the added bonus of leaving the underfloor soft and warm. That makes the underlay a good choice for hard floors in flats and hallways, especially where you need more heat.

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  • Suitable for all types of floors.
  • Mutes noise from heavy footsteps.
  • Adds 40% increase to the carpet’s life.
  • Provides soft and warm insulation.
  • Keeps the carpet even.


  • The underlay is heavy, so installation might go slower than expected.

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2. The Best Carpet Underlay That Is Easy To Install By Underlay Supplies

easy to install carpet underlay

Nobody has time to struggle with a difficult piece of underlay. If you want something that is easy to install and compatible with your home, then this is the best pick for you. Indeed, you can look forward to several benefits – let’s dive in!

You can use this underlay anywhere in your house. Simply cut the required size with a sharp knife and secure it into place with a spray adhesive or wood staples. As a bonus, the underlay will act as a sound barrier against stomping feet, insulate the floor for extra warmth, and make walking across the carpet more luxurious.

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  • 12 mm thick.
  • Absorbs noise.
  • Easy to install.
  • Insulates the floor.


  • Not suitable for a floor with underfloor heating.

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3. The Best Wool Carpet Underlay By Wilsons Underlays

Luxury Wool Carpet Underlay By Wilsons Underlays

This wool-laced underlay is the best of its kind. Indeed, it’s popular with homeowners who want extra heat underfoot. As the top woollen underlay, you can expect a product that was specifically designed with heat retention in mind, making it perfect for that one room in your home that always remains chilly!

One of its best features, besides offering you a toasty floor, is the fact that the underlay does not compress under weight. This means that you can worry less about furniture dents or long-term foot traffic across a carpet. This underlay is also suitable for multiple types of flooring, mutes noise, and brings a soft feeling when you walk.

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  • Suitable for all types of areas in the home.
  • Easy to install.
  • Suitable for most floorings.
  • Reduces noise.
  • Great floor warmth insulator.


  • Absorbs moisture

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4. The Top Heatflow Carpet Underlay (6.1mm) By Duralay

Heatflow Carpet Underlay 6.1mm By Duralay

Looking for another comfortable and yet tough underlay? This bouncy sheet has the ability to add more comfort and warmth to any area in the house, even the steps of the staircase.

The spongy nature not only makes it great at insulating different types of floors and getting rid of that hard “feel” when you walk across the room, but it also protects precious carpets from furniture dents. Similar to other weight-bearing underlays, it will also resist high foot traffic areas, like hallways and the living room.


  • Keeps the floor warm.
  • Offers the right combination of plush and density.
  • Comfortable to walk on.
  • Suitable for most floors.


  • As a sponge rubber, there is a risk of tearing.

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5. The Top Luxury Carpet Underlay (12 mm) By T & A Upholstery Supplies

Luxury 12mm Carpet Underlay By T & A Upholstery Supplies

Are you specifically looking for carpet underlay for your wood or laminated floors? Then this polyurethane foam underlay is a great choice. With a thickness of 12 mm, it is luxurious and brings maximum thermal heat retention for warmer feet!

You can expect more great things from this underlay. Concerned about nature and chemicals? This underlay is both eco-friendly and non-toxic.

At the end of the day, you get a product that is comfortable, safe, and easy to install.


  • Non-toxic.
  • Easy to install in any room, no need for professional services.
  • Environmentally friendly foam.
  • Best underfloor heating for laminate and wood flooring.


  • There is a risk that it might tear.

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6. The Top PU Carpet Underlay (10 mm) By T & A Upholstery Supplies

10mm PU Carpet Underlay By T & A Upholstery Supplies

This thinner sister of the previous product is no rip-off. It pretty much offers you the same perks but with the exception of being slightly flatter. However, the thickness of 10 mm could suit you better if you prefer a less obvious underlay.

The high-quality PU underlay fits perfectly under the carpet. It is easy to install and also non-toxic. You will also experience more warmth along the floor thanks to its heat-insulating design and materials.


  • Great at preserving heat.
  • Environmentally friendly.
  • Suitable for most floorings.
  • Easy to install.
  • Luxurious feel.
  • Non-toxic.


  • There is a risk of tearing after extended use.

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7. The Top Wool Heat Insulation Carpet Underlay By Flooring Online UK

Wool Heat Insulation Carpet Underlay By Flooring Online UK

Here’s another great choice if 10 mm is your preferred thickness for underlay. Crafted from the best wool, the padding is known for its high retention ability, which is perfect if your family needs warmer walking areas (especially bedrooms or hallways).

Thanks to its weight-resistant nature, this is another good choice if your furniture tends to leave dents in all the carpets. The underlay can bear any weight without compressing, meaning that you can forget about furniture-damaged carpets and just enjoy a comfortable and warm floor.

One of the best benefits is that this type of underlay does not disintegrate. Due to the strength of its natural fibres, this underlay can literally last you a long time or even a lifetime. It’s also suitable for most floorings and resists the wear and tear of foot traffic.


  • High heat insulation.
  • Comfortable on your feet.
  • Noise-reducing.
  • Very durable.
  • Suitable for many floor types.


  • Not moisture resistant.

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8. The Top Bouncy Carpet Underlay By Berkshire Trade Flooring

best carpet underlay luxury

If you are looking for an affordable and bouncy underlay for your carpet, then this could also be a good choice. It’s a great entry-level type of underlay that you can use anywhere in the home. Measuring roughly 8 mm thick, this sheet is known for its bouncy comfort and suitability for all floors and carpets.

The material is also easy to cut if you want to place it on small surfaces like steps or around a heavy piece of furniture that cannot be moved. Overall, if you want to try underlay for the first time, at a good price, and experience a warming and comfortable underlay, then this one is worth a look.


  • Excellent entry-level underlay for first-time buyers.
  • A bouncy, step-absorbing feel.
  • Easy to cut and install.


  • There is a risk of tears after prolonged use.

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9. The Top Luxury Foam Carpet Underlay By Flooring Direct

luxury carpet underlay

This high-quality carpet underlay provides a luxury setting for any part of your home, warming the floor and eliminating both noisy walking and the feeling of hard floors underfoot. But there’s more to this dense 12 mm underlay.

It’s also suitable for first-time underlay buyers, offering all the ease of installation that beginners need while never sacrificing its quality nor benefits. Besides offering heat and noise insulation, you can also look forward to carpets with a longer lifespan.


  • Non-toxic.
  • Great for first-time owners.
  • Reduces noise.
  • Heat insulating.
  • Protects carpets from wear and tear.


  • Not suitable for floors with underfloor heating.

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10. 8mm Wool Felt Carpet Underlay By Multi-Rich

8mm Wool Felt Carpet Underlay By Multi-Rich

This is one of the best options for your home if you love woolly things. The carpet underlay is felt-like and consists almost entirely out of the best wool. As you probably already know by now, wool is a great heat insulator and has good soundproofing properties.

This carpet underlay is 10mm thick, feeling soft and bouncy underfoot. The insulated underlay fits well on floors as well as smaller surfaces like stairs and remains quite stable in placement. In addition, it will also smooth out any uneven subfloor spaces that you may have in the home.


  • Great for carpets, stairs and landing.
  • Excellent sound dampening.
  • Feels soft.
  • Provides safety and isolation.


  • Not moisture-resistant.

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Your Carpet Underlay Buying Guide

A good carpet underlay is a thing of luxury that also extends the life of your carpets. Our quick guide offers you the best tips to make sure that you go home with a product you love!

Factors to consider when buying carpet underlay

Carpet Underlays Buying Guide

The first thing we recommend when buying carpet underlay is comfort. The latter is directly tied to the type of material and thickness. Make sure that you get the right one for your comfort levels.

It’s also best to purchase carpet underlay that is suitable for most or any floor. That way you know that you get a tough underlay that can even be reused in a different room with a different type of flooring than where it was first installed.

Do you want better soundproofing? Choose a thicker underlay. For warmth, the best materials are also felt and wool. carpets.


Q: Is carpet underlay durable?

A: Yes and no. The material used to make underlay determines the durability of carpet underlay. Felt carpet underlays tend to last longer than foam counterparts.

Q: Are all underlays moisture resistant?

A: Only some of them are. Those made with wool or felt tend to absorb moisture. Plastic PU foam underlays have better moisture resisting properties.

Related Topics To Read Next

How to Lay Carpet Underlay

How Long Will My Carpet Underlay Last

Carpet Underlay Types and What Goes With Each Type of Flooring

About the Author Harry Thompson

Involved in home renovations throughout his life, Harry is an expert in everything to do with home and garden DIY. In his spare time, he enjoys cooking and tending to his garden.