Share your plans
Tell us about your home, where you are, and the floor insulation work you are considering.
Floor Insulation
Comfort from the ground up. Understand your options and find a specialist to assess your floors.

Understand your options
Floor insulation slows heat escaping through your floors. It can improve comfort and reduce heating demand, particularly on the ground floor or above an unheated space.
Insulation usually fits between the joists beneath the floorboards. Access may be possible from below; otherwise, boards may need lifting. Air bricks must stay clear to maintain ventilation.
Concrete floors can be insulated above the slab or during replacement. An added layer can affect floor height. Traditional stone and lime-based floors need specialist advice.
Read more in the Energy Saving Trust's floor insulation guide.
Tell us about your project and we will look for a specialist who covers your area. Your installer assesses suitability and provides the quote.
From enquiry to installation
Tell us about your home, where you are, and the floor insulation work you are considering.
Discuss floor construction, access and existing conditions with a specialist before choosing a solution.
Ask for a written scope covering materials, preparation, installation and making good. Decide whether to proceed.
Agree access, room preparation and a schedule with your installer. Ask what records and aftercare they will provide.
Usually not between heated rooms. A floor above an unheated garage or cellar may benefit from thermal insulation.
It depends on access. Suspended timber floors may be insulated from below where there is enough space; otherwise boards may need lifting.
Have damp or timber decay assessed and resolved before insulating. Moisture control and ventilation are part of a suitable design.
Ask your specialist for a quote based on your property and the proposed work. Check whether lifting and reinstating floor finishes are included. We do not calculate a price on this site.
You can still enquire. Choose Floor insulation in our form and use Not sure for details you cannot confirm. Discuss those questions with the specialist during your assessment.
Your next step
Tell us what you need. We'll help you find the right specialist.