Underfloor Insulation

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Experience Unmatched Warmth with Our Underfloor Insulation Services

Transform your home into a haven of comfort and efficiency with our expert underfloor insulation services, fully covered by the ECO4 Scheme.

Understanding Underfloor Insulation

Underfloor insulation involves insulating the space between the ground and a suspended floor to protect your home from external cold. This process is especially beneficial for suspended timber floors, which typically consist of floorboards laid over timber joists. While liners below timber or laminate floor finishes can reduce draughts, they often don't eliminate them entirely. Underfloor insulation effectively seals these gaps, helping your home heat up faster and retain heat longer, saving you money on energy costs. Additionally, underfloor insulation helps keep your home cooler in the summer by preventing heat from rising from the ground below.

Why Opt for Underfloor Insulation?

Adding underfloor insulation to an existing home is straightforward. An access hatch is used to reach the space beneath the floor, where nets are hung and filled with quality insulation. If your home lacks an access hatch, one can be created, usually in a cupboard. With rising gas prices, now is the ideal time to ensure your home is properly insulated, and underfloor insulation is a great starting point. Even if you already have cavity wall insulation, don't overlook your floors. Grants are available to help cover the cost—contact us to discuss funding options.

The Right Approach for Installing Underfloor Insulation

Successful underfloor insulation installation involves three key factors: keeping heat in, managing moisture, and preventing draughts.
Thermal Performer
Choose insulation materials that effectively trap heat and keep your home warm.
Moisture Controller
Use materials that absorb and release water vapour, preventing dampness and mould.
Air Tightness
Ensure all gaps, cracks, and openings around windows, doors, and other areas are thoroughly sealed to eliminate draughts and prevent wind washing.

"Underfloor Insulation Made Easy"

1 Preparation Before Installation

Before starting, ensure the area is ready by lifting the floorboards to inspect the joists and wooden beams. Check for any damage or defects and repair as necessary. If joists are exposed to clay or soil, lay a vapour barrier to prevent moisture from rising into your home.

2 Creating a Breathable, Airtight Haven

Cover the joists with a material that allows air through while blocking drafts and moisture. This creates spaces for insulation.

3 Insulating with Natural Wonders

Opt for high-quality, natural insulation materials like sheep’s wool, wood fibre, or jute. These materials naturally regulate moisture by absorbing and releasing it based on humidity levels.

4 Adding the Final Touches

Finish your insulation project with a layer of vapour control material on top of the underfloor insulation. Tape all overlaps and edges, including where the floor meets the walls. Replace the flooring to complete the transformation of your drafty floors into a warm and cosy retreat.

5 Underfloor Insulation Grants

Under the UK Government’s ECO4 Scheme, a qualified professional will assess if your property is suitable for underfloor insulation. Even if your ceilings and walls are insulated, up to 20% of your heating can escape through the floor.

Check Your Property Type

Homes with basements or cellars are often ideal candidates for underfloor insulation due to easy access to the floor structure. Sloping properties may also qualify, especially where heat loss is a concern. Older homes with suspended timber ground floors are particularly prone to heat loss, making them excellent candidates for insulation upgrades to improve energy efficiency.
  • Basement or Cellar
  • Sloping Properties
  • Older Homes

Underfloor Insulation Cost and Savings

Underfloor insulation costs range from £300 to £1,200, focusing on the ground floor. Thanks to government grants, you may be able to have your underfloor insulation installed at no cost.

Here’s a snapshot of average annual energy savings based on house type from the Energy Saving Trust:

  • Detached House: £65
  • Semi-Detached House: £40
  • Mid-Terraced House: £25
  • Bungalow: £60

Check your eligibility for government grants related to underfloor insulation today.

Frequently Asked Questions

What is underfloor insulation?
Underfloor insulation involves insulating the space between the ground and a suspended floor to prevent heat loss and keep your home warm. It is particularly beneficial for suspended timber floors and helps in reducing draughts, saving on energy costs, and maintaining a comfortable temperature year-round.
Why should I opt for underfloor insulation?
Underfloor insulation helps your home heat up faster and retain warmth longer, leading to reduced energy bills. It also keeps your home cooler in the summer by preventing heat from rising from the ground below. This type of insulation is effective in sealing gaps and preventing draughts.
What materials are used for underfloor insulation?
Common materials include natural options like sheep’s wool, wood fibre, and jute. These materials help in regulating moisture and preventing dampness and mould.
Can I get a grant for underfloor insulation?
Yes, you may be eligible for government grants under the ECO4 Scheme, which can cover the cost of underfloor insulation. Eligibility typically depends on your household's income and whether you receive certain government benefits.
What types of properties are ideal for underfloor insulation?
Properties with basements, cellars, sloping floors, or older homes with suspended timber ground floors are ideal candidates for underfloor insulation. These homes often experience significant heat loss and can benefit greatly from insulation upgrades.
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