Carpet Underlay

Carpet Underlay

The right underlay is vital to how a carpet performs and feels underfoot, offering a number of benefits including less noise, lower utility bills, warmer rooms and a longer floor life. To make choosing the right underlay easy, we've split our range into sections with our expert recommendations for each.

Underlay Bestsellers

Below you will find our bestselling carpet underlays, which we recommend to the majority of our customers. Each offers great performance and value for money, making them excellent all-rounders for the majority of homes and carpets.

Carpenter Ultimate Living Underlay 10mm
Carpenter Ultimate Living Underlay 10mm CC006

Carpenter Ultimate Living Underlay 10mm

  • Ideal for high traffic areas
  • Excellent sound reduction
  • High tog rating for warmer rooms
4.49
4.99 10
Tredaire Titanium Underlay 8mm
Tredaire Titanium Underlay 8mm CC041

Tredaire Titanium Underlay 8mm

  • Extremely high density PU foam underlay
  • Made from recycled materials
  • Ideal for high traffic areas
4.49
4.99 10

Value Underlay

Our value underlay is affordable and ideal for those with tight budgets. It's best suited for areas with lower foot traffic.

Carpenter Perfect Living Underlay 8mm
Carpenter Perfect Living Underlay 8mm cc008

Carpenter Perfect Living Underlay 8mm

  • Affordable underlay
  • Easy to handle and cut
  • Best for low foot traffic areas
2.99
3.99 25
Carpenter Perfect Living Underlay 10mm
Carpenter Perfect Living Underlay 10mm CC009

Carpenter Perfect Living Underlay 10mm

  • Affordable underlay
  • High tog rating for warmer rooms
  • Good noise reduction
3.49
3.99 13

Luxury Underlay

Each of these premium-quality underlays offers superb comfort and softness underfoot. Invest in one of these trusted underlay brands and you can be sure your carpet will look and feel its best for longer.

Ball And Young Cloud 9 Super Underlay 10mm
Ball And Young Cloud 9 Super Underlay 10mm CC040

Ball And Young Cloud 9 Super Underlay 10mm

  • High density PU foam underlay
  • Suitable for natural flooring
  • High noise reduction
5.49
6.49 15
Crucial Trading Vital Underlay 11mm
Crucial Trading Vital Underlay 11mm CC050

Crucial Trading Vital Underlay 11mm

  • Luxury crumb/felt combination underlay
  • Suitable for all areas of the home
  • Good sound and thermal insulation
7.49
8.99 20

Heavy Duty Underlay

Heavy duty underlay is extremely high density and therefore more resistant to flattening from increased foot traffic. Perfect for busy homes or throughways.

Carpenter Extrastep Underlay 6mm
Carpenter Extrastep Underlay 6mm CC020

Carpenter Extrastep Underlay 6mm

  • Heavy duty underlay
  • Ideal for high traffic areas
  • 180 KG/M³ Density rating
3.99
4.99 20
Tredaire Titanium Underlay 8mm
Tredaire Titanium Underlay 8mm CC041

Tredaire Titanium Underlay 8mm

  • Heavy duty underlay
  • Ideal for high traffic areas
  • 180 KG/M³ Density rating
4.49
4.99 10
Crucial Trading Vital Underlay 6.5mm
Crucial Trading Vital Underlay 6.5mm CC048

Crucial Trading Vital Underlay 6.5mm

  • Extra heavy duty underlay
  • Ideal for high traffic areas
  • 400 KG/M³ Density rating
5.99
6.99 17
Crucial Trading Vital Underlay 9mm
Crucial Trading Vital Underlay 9mm CC049

Crucial Trading Vital Underlay 9mm

  • Extra heavy duty underlay
  • Ideal for high traffic areas
  • 400 KG/M³ Density rating
7.99
9.49 19

Natural Flooring Underlay

Natural floor coverings such as sisal, jute, seagrass and coir traditionally have latex backings and as such need to be fitted using the double stick method. You will require a specialist underlay in order to fit these carpets, and we've sourced some of the best on the market.

Ball And Young Cloud 9 Contract Underlay 8mm
Ball And Young Cloud 9 Contract Underlay 8mm CC002

Ball And Young Cloud 9 Contract Underlay 8mm

  • A high density PU foam underlay
  • Suitable for natural flooring
  • Ideal for high traffic areas
4.99
5.49 9
Crucial Trading Vital Underlay 6.5mm
Crucial Trading Vital Underlay 6.5mm CC048

Crucial Trading Vital Underlay 6.5mm

  • Extremely high density underlay
  • Ideal for high traffic areas
  • Suitable for natural flooring
5.99
6.99 17
Crucial Trading Vital Underlay 9mm
Crucial Trading Vital Underlay 9mm CC049

Crucial Trading Vital Underlay 9mm

  • Extremely high density underlay
  • Ideal for high traffic areas
  • Suitable for natural flooring
7.99
9.49 19

Underfloor Heating Underlay

Carpets laid over underfloor heating is becoming increasingly popular, but you will need a low tog/thermal resistance underlay in order to facilitate effective heat transfer. The underlays featured in this section allow just that.

Crucial Trading Vital Underlay 6.5mm
Crucial Trading Vital Underlay 6.5mm CC048

Crucial Trading Vital Underlay 6.5mm

  • Extremely high density underlay
  • Ideal for high traffic areas
  • Suitable for natural flooring
5.99
6.99 17
Wilsons Thermalstream Underlay 10mm
Wilsons Thermalstream Underlay 10mm CC052

Wilsons Thermalstream Underlay 10mm

  • Luxury underfloor heating underlay
  • Includes flame-retardant foam for safety
  • Excellent comfort without sacrificing heat loss
7.49
8.99 17

Noise Reduction Underlay

The underlays in this section are thicker and have high decibel ratings, which helps to reduce the amount of sound that passes through the underlay. They are ideal for properties with creaky floorboards, noisy neighbours above/below or young children who like to make their presence known.

Carpenter Ultimate Living Underlay 10mm
Carpenter Ultimate Living Underlay 10mm CC006

Carpenter Ultimate Living Underlay 10mm

  • Ideal for high traffic areas
  • Excellent sound reduction
  • High tog rating for warmer rooms
4.49
4.99 10

Rugs & Runners Underlay

If you're looking to increase the comfort and logevity of a rug or hallway runner, consider using these underlays, which feature a reduced thickness without compromising performance.

Cybergold Rug Control Underlay 180g
Cybergold Rug Control Underlay 180g CC027

Cybergold Rug Control Underlay 180g

  • Anti-slip white polyester underlay
  • Specially designer for rugs
  • Can be used under mats & table runners
5.99
10.99 45
Cybergold Rug Control Superior Heavyweight Underlay 350g
Cybergold Rug Control Superior Heavyweight Underlay 350g CC028

Cybergold Rug Control Superior Heavyweight Underlay 350g

  • Luxury anti-slip rug underlay
  • Works on all carpets & hard floors
  • Reduces sound transfer
7.99
13.99 43
Cybergold Rug Control Superlux Underlay 240g
Cybergold Rug Control Superior Heavyweight Underlay 350g CC029

Cybergold Rug Control Superlux Underlay 240g

  • High-quality polyester anti-slip rug underlay
  • Special non tacky black side for hard floors
  • Durable and long lasting
9.99
15.99 38
Carpenter Extrastep Underlay 6mm
Carpenter Extrastep Underlay 6mm CC020

Carpenter Extrastep Underlay 6mm

  • Can be used underneath runners
  • Highly dense underlay
  • 180 KG/M³ Density rating
3.99
4.99 20
Crucial Trading Vital Underlay 6.5mm
Crucial Trading Vital Underlay 6.5mm CC048

Crucial Trading Vital Underlay 6.5mm

  • Can be used under rugs & runners
  • Extra heavy duty underlay
  • 400 KG/M³ Density rating
5.99
6.99 17

Underlay Key Stats

Product TOG Density Decibel Rating Double Stick Underfloor Heating Price
Carpenter Perfect Living 8mm 2.53 100 KG/M³ 37DB NO NO £2.99m²
Carpenter Extra Step 6mm 1.50 180 KG/M³ 33DB YES YES £3.99m²
Carpenter Ultimate Living 10mm 2.53 145 KG/M³ 43DB YES NO £4.49m²
Tredaire Titanium 8mm 2.20 180 KG/M³ 39DB NO NO £4.49m²
B&Y Cloud 9 Contract 8mm 2.00 167 KG/M³ 36DB YES NO £4.99m²
B&Y Cloud 9 Super 10mm 2.30 166 KG/M³ 39-42DB YES NO £5.49m²
Wilsons Thermalstream 10mm 1.10 80 KG/M³ 36DB NO YES £7.49m²
Crucial Trading Vital 6.5mm 1.10 400 KG/M³ 30DB YES YES £5.99m²
Crucial Trading Vital 9mm 1.70 400 KG/M³ 33DB YES NO £7.99m²
Crucial Trading Vital 11mm 2.67 N/A 34DB NO NO £7.49m²