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Blown-Fibre Loft Insulation Removal Costs

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Blown-Fibre Loft Insulation Removal Costs: A Comprehensive Guide

Blown-fibre loft insulation, often made from materials like fiberglass, cellulose, or mineral wool, is a popular choice for its ease of installation and efficiency in insulating loft spaces. However, there are circumstances where removing this type of insulation becomes necessary. Whether due to degradation, contamination, or the desire to upgrade to more modern insulation solutions, understanding the costs, processes, and considerations involved in removing blown-fibre insulation is essential.

Types of Blown-In Loose Insulation

  1. Fiberglass:

    • Characteristics: Composed of fine glass fibers.
    • Advantages: Non-combustible, resistant to moisture, and has good insulating properties.
    • Disadvantages: Can be irritating to the skin and respiratory system if not handled properly.

  2. Cellulose:

    • Characteristics: Made from recycled paper products treated with fire retardants.
    • Advantages: Eco-friendly, excellent at filling gaps, and good soundproofing.
    • Disadvantages: Can settle over time, potentially reducing its effectiveness, and may be susceptible to moisture damage.

  3. Mineral Wool:

    • Characteristics: Made from natural minerals such as basalt or industrial slag.
    • Advantages: Fire-resistant, good thermal and acoustic insulation, and water repellent.
    • Disadvantages: Can be heavier than other types of insulation, potentially putting more strain on structures.

Costs of Removing Blown-Fibre Loft Insulation

The cost to remove blown-fibre insulation can vary based on several factors:

Average Costs:

  • Fiberglass Removal: £10-£15 per square metre.
  • Cellulose Removal: £15-£20 per square metre.
  • Mineral Wool Removal: £20-£25 per square metre.

Additional Factors Affecting Costs:

  • Accessibility: Difficult-to-reach areas or tight spaces can increase costs.
  • Insulation Depth: Thicker layers of insulation will take longer to remove, increasing labor costs.
  • Condition of Insulation: Wet or contaminated insulation can be more challenging to handle and dispose of.

Example Costs for a 100m² Loft:

  • Fiberglass: £1,000-£1,500
  • Cellulose: £1,500-£2,000
  • Mineral Wool: £2,000-£2,500

Work Involved in Removing Blown-Fibre Loft Insulation

Removing blown-fibre insulation is a detailed process that involves several steps:

  1. Initial Assessment:

    • A professional team inspects the loft to determine the type of insulation, its condition, and the area it covers.
    • Identification of any contamination or structural issues.

  2. Preparation:

    • Setting up safety equipment, including masks, gloves, and protective clothing.
    • Ensuring proper ventilation to manage dust and fibers.

  3. Insulation Removal:

    • Using specialized equipment such as industrial vacuums designed for insulation removal.
    • For heavily contaminated insulation, additional steps may include encapsulation before removal.

  4. Post-Removal Cleaning:

    • Thoroughly cleaning the loft space to remove any remaining dust and debris.
    • Inspecting the loft for any damage that may need repair before new insulation is installed.

Time Required for Removal

The duration of the removal process depends on various factors, including the size of the loft and the type of insulation:

  • Average Time Frame: 1-2 days for an average-sized loft.
  • Team Size: Typically requires a team of 2-3 professionals.

Hazards and Safety Concerns

Removing blown-fibre insulation involves several hazards:

  • Dust and Fibers: Inhalation of insulation fibers can cause respiratory issues and skin irritation.
  • Contaminants: Insulation may contain mold, rodent droppings, or other hazardous materials.
  • Structural Damage: Potential for damaging the loft’s structure during the removal process.

Safety Measures:

  • Use of protective gear such as masks, gloves, and coveralls.
  • Maintaining proper ventilation throughout the process.
  • Professional training and experience are crucial to safely handle and remove insulation materials.

DIY vs. Hiring a Professional

While DIY removal may seem cost-effective, it poses significant risks:

  • Complexity: Removing blown-fibre insulation requires specialized equipment and expertise.
  • Health Risks: Exposure to harmful fibers and potential contaminants.
  • Potential Damage: Risk of damaging the loft’s structure or roofing components.

Hiring a Professional:

  • Pros: Ensures safe, efficient, and thorough removal with minimal risk of damage.
  • Cons: Higher upfront cost but mitigates long-term risks and potential repair costs.

Reasons to Remove Blown-Fibre Insulation

  • Contamination: Insulation can become contaminated with mold, pests, or moisture.
  • Degradation: Over time, insulation can settle, lose effectiveness, or degrade.
  • Upgrading: Modern insulation materials can offer better performance and energy efficiency.
  • Structural Repairs: Necessary repairs to the loft or roof may require insulation removal.

Post-Removal Cleaning

  • Thorough Vacuuming: Using industrial vacuums to remove any remaining insulation particles and dust.
  • Inspection: Checking for any structural damage or issues that need addressing before new insulation is installed.
  • Surface Cleaning: Wiping down surfaces to remove fine dust and fibers.
  • Ventilation: Ensuring the loft is well-ventilated to clear out any remaining dust or odors.


Removing blown-fibre loft insulation involves significant costs, labor, and potential hazards. Professional removal is highly recommended to ensure safety and efficiency. Understanding the process and reasons for removal can help homeowners make informed decisions about their loft insulation needs. Always consult with certified professionals and follow safety protocols to achieve the best results.

Latest 5 star Google customer reviews
Peter Roberts
1 month ago

I highly recommend these guys who recently helped us clear and clean out our loft in Newcastle after we had rodents in. They removed old junk and the old insulation then cleaned up the rodent droppings and hoovered the loft out. They were very friendly, made sure no dust and dirt got into our home and cleaned up after themselves. We are elderly people so we couldn't do this but they did everything in half a day. We tried all over to get someone to do the works for us but these guys were the only ones to come out and give us a qoute. Would use again if we ever have another rodent problem.

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alan young
2 months ago

Great job by these guys.
Emptied all the old insulation out of our loft.
Would highly recommend.

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Jackie Marie Townsend
18 days ago

We used this company a couple of days ago and are really impressed with the overall service provided. The lads were here almost 4 and a half hours completely clearing the loft and cleaning it afterwards. They used coverings on the stairs and landing to keep the carpet clean. Our loft looks like a new loft now and we didn't realise just how big it is with all the rubbish removed. Great set of lads, would highly recommend this company. 👍

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Louise McInnes
18 days ago

Fantastic service by the team of lads that came to remove my old insulation. They also removed old wood that was there at a very reasonable price and made sure there was no mess. Turned up when they said they would, very polite and professional. Would definitely recommend.

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We remove all types of loft insulation

  • Mineral Wool
  • Loose
  • Fibreglass
  • Sheep's Wool
  • Blown-In
  • Vermiculite
  • Cellulose
  • Spray Foam
  • Rodent Infested Insulation
  • Water Damaged
  • Verminous
  • Hazardous
  • Pest Control Loft Cleaning
  • Rodent/Pest/Pigeon Feces

Our post loft insulation removal cleaning services

Keeping your loft clean and organized is crucial for maintaining a healthy and efficient home environment. Our professional loft cleaning services are designed to address all your attic cleaning needs, ensuring a pristine and clutter-free space.

Our experienced team is committed to delivering top-notch service with meticulous attention to detail.

Here's what we offer:

Comprehensive Dust and Debris Removal: We thoroughly clean and remove dust, dirt, and debris, leaving your loft spotless.

Pest Infestation Cleanup: Our team handles pest infestations, removing nests and droppings to ensure a safe and sanitary loft.

Clutter Organization: We help sort and organize stored items, making your loft more functional and accessible.

Sanitization and Disinfection: We sanitize and disinfect surfaces to eliminate germs and allergens, promoting a healthier home.

Trust us to transform your loft into a clean, organized, and healthy space, enhancing the overall comfort and value of your home.