How Much Spray Foam Insulation Removal Really Costs

samoconnell48
Oct 24
3 min read

a person wondering how much spray foam insulation removal costs

If you’ve been searching online for the cost of spray foam insulation removal, you’ve probably noticed something: very few companies actually tell you what it costs. Instead, they ask for your details, promise a “free survey,” and before you know it, you’ve got a salesperson or “surveyor” knocking on your door.

At Remove Spray Foam, we think homeowners deserve clarity before committing to anything. So, here’s the honest truth about what spray foam insulation removal really costs in the UK and what affects that price.

Average Cost of Spray Foam Insulation Removal in the UK

For most homes, spray foam insulation removal costs between £2,500 and £3,500. However, the exact figure depends on several key factors, including the size of your loft, the type of foam installed, and whether your roof timbers or ventilation have been affected.

Below is a general guide to typical spray foam insulation removal costs:

Property Type	Estimated Cost (Average)	Notes
Small Loft	£1,800 – £2,400	Usually completed within 1 day
Medium Loft	£2,400 – £3,000	Usually completed within 2 days
Large Loft	£3,000 – £3,500+	Usually completed within 3 days

These figures include safe removal and post-removal cleaning, ensuring your roof is ready for re-inspection or new insulation.

Why Costs Vary

Spray foam removal isn’t a one-size-fits-all job. Every property is different, and the condition of your roof makes a big difference. The main cost factors include:

Type of spray foam: Closed-cell foam is denser and takes longer to remove than open-cell foam.
Roof condition: If the foam has trapped moisture or affected the timbers, treatment or repair may be required.
Access and layout: Tight loft spaces, low pitches, or restricted access can add to labour time.
Waste disposal: Proper disposal of spray foam is essential, and legitimate companies will include this in their quote.

These make the difference between a quick, unsafe job and a professional one that satisfies mortgage lenders and surveyors.

Replacement Insulation and Other Additional Costs

Once spray foam is removed, most homes will need new insulation installed. This is an important step, as removal leaves your loft uninsulated until new materials are fitted.

Replacement insulation isn’t usually included in removal quotes because:

Homeowners may want to compare different insulation options.
The best insulation type depends on your roof structure and ventilation.
It’s often priced separately so you can clearly see the cost breakdown.

At Remove Spray Foam, we can provide both services together: safe removal followed by installation of new, mortgage-friendly insulation. This is often more efficient and cost-effective than hiring two separate contractors.

The Hidden Costs Some Companies Don’t Mention

Many companies avoid publishing prices because their real goal is to get inside your home and sell you additional services once the work's already started. It’s a common tactic and one we think homeowners should be aware of.

Hidden or unexpected costs can include:

Charging extra for “hard-to-reach” areas once work begins.
Adding fees for scaffolding or access equipment.
Offering foam removal at a low price, then charging separately for timber treatment or disposal.

At Remove Spray Foam, we provide fixed, transparent quotes upfront, so you know exactly what you’re paying for before you commit. And we carry out all work with zero up-front deposit, meaning you don't pay a penny until the job is complete to your satisfaction.

How Much A Deposit Is Likely To Cost

Many spray foam removal companies will ask for a deposit before starting work.

While this offers security for the company, it can leave homeowners feeling pressured into a decision before they’ve had time to properly compare quotes or consider their options.

Deposits typically range from £250 to £500, or around 10–25% of the total job cost. In some cases, homeowners are even asked to sign away their cooling-off period rights.

At Remove Spray Foam, we don’t take deposits. You won’t pay a penny until the job is complete and you’re fully satisfied with the result.

Why Professional Removal Is Worth the Cost

Attempting DIY removal or hiring a general tradesperson can seem cheaper, but it often leads to damage, incomplete removal, or even failed mortgage or survey inspections later on.

Professional removal ensures:

All foam is safely stripped without harming your roof structure.
Ventilation is restored correctly.
Your property is ready for re-inspection or sale.
You receive documentation confirming the work has been carried out properly, something lenders and surveyors often require.