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Cavity Wall Insulation Oxfordshire

ProGuard Exteriors Ltd are highly rated cavity wall insulation contractors providing bespoke packages for homeowners, developers and businesses across Oxfordshire.


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Cavity Wall Experts

We Provide Quality Cavity Wall Insulation Services In Oxfordshire.

Free 25 Year Guarantee

Get A 25 Year Guarantee On Any New Installation Carried Out By Our Team.

Over 20 Years Experience

Trustmark Endorsed. Fully Insured & Accredited With Quality Mark Protection.

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We Provide Free Quotations For Any Type Of Residential & Commercial Project.

Cavity Wall Insulation Oxfordshire

Bespoke All-In-One Cavity Wall Insulation Packages

ProGuard Exteriors Ltd are fully accredited cavity wall insulation specialists providing all aspects of cavity wall insulation Oxfordshire for homeowners, developers and businesses. Our team are EWI Pro Recommended Installers, Trustmark Endorsed and offer free guarantees of up to 25 years to give our clients total peace of mind.

Cavity wall insulation (CWI) is an method used to reduce the amount of heat loss through the walls by filling the air space between walls with sprayable insulation. This minimises the transfer of heat loss to help improve thermal performancedecrease energy consumption and lowers heating bills.

We offer a range of cavity wall insulation systems such as mineral wool, rockwool, polystyrene beads and polyurethane foam. The type of cavity insulation depends on your home, wall type and space available. One of our qualified surveyors will book a survey to estimate the cost, explain the benefits and best type of insulation.

If you are based in Oxfordshire and interested in exploring cavity wall insulation, then please contact us to request a free site survey and quote today!

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Why Is Cavity Wall Insulation A Good Investment?

Cavity Wall Insulation Oxfordshire - ProGuard Exteriors Ltd

Up to 35% of heat is lost through the walls on an uninsulated property which produces cold walls and cold rooms. We have seen our clients try to fix this problem by switching their heating up to full which costs a huge amount of money. When heating a house with solid walls that have no cavity the warm air hits the cold walls which leads to condensation. This condensation creates a build up of moisture up due to the constant cooling and heating creating the perfect breeding ground for mould and damp. Our cavity wall wall insulation systems are designed to solve this problem!

Cavity Wall Insulation Benefits

Saves You Money On Heating Bills

Our cavity wall insulation systems can help you save up to £250 per year on heating bills which will cover the installation cost after 5-10 years.


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100% Hassle Free Installation

The installation process takes 1-2 days to finish and all work undertaken is completed outside of your property which means no mess or disruption.


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Reduces Your Carbon Footprint

With less heat escaping through uninsulated walls it means you do not need to use as much energy to keep your home at a constant temperature.


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Keeps Your Home Warmer

Cavity wall insulation will slow down the movement of heat through your walls, which means your home will maintain a good temperature all year round.


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Oxfordshire Cavity Wall Insulation Systems

Our cavity wall insulation installation contractors in Oxfordshire are fully insured, accredited and have over 20 years experience. We provide totally bespoke residential and commercial cavity insulation packages for homeowners, developers and businesses across Oxfordshire and surrounding areas. Our main aim is to offer an all-in-one solution that caters to the diverse needs of our clients.

Cavity Wall Insulation Installation Process:

  1. Full assessment and survey to be carried out by one of our registered installers so we can determine whether or not your property is suitable for cavity wall insulation.
  2. We drill small holes into your outside walls.
  3. The recommended insulation material is then sprayed into the cavity.
  4. The holes are then filled in to match your existing paintwork/exterior finish.

Filling cavity walls with insulation is NOT a DIY job. You must hire a registered and accredited installer. Incorrectly filling cavity walls can cause great damage to your property so it is not something you should “go cheap” with. Once we have determined if you property is suitable, the installation typically takes a 2-5 hours to complete for an average 2-4 bedroom house with accessible walls.
Cavity Wall Insulation Oxfordshire - ProGuard Exteriors Ltd

Types Of Cavity Wall Insulation

  • Blown Mineral Fibre – this is a type of insulation where strands of fibreglass or mineral wool are blown into the cavity using compressed air. This material is covered by British Board of Agrement (BBA) certificates. 
  • Polystyrene Beads Or Granules – this is a type of insulation that can be supplied loose or held in a lightweight resin to hold the beads together. Both materials are blown into the cavity using compressed air and covered by British Board of Agrement (BBA) certificates.
  • Polyurethane Foam – this is a type of insulation is created from inside the wall cavity itself by simultaneously injecting and mixing two chemical components to form the foam which then expands to fill the cavity. This insulation is covered by British Standards BS:5618 for the material and BS5617 for the application.

Can You Get Cavity Wall Insulation?

If your property was build after the 1920’s then it’s likely to have a cavity wall. In most cases you can identify this by the pattern of your exterior wall bricks.

If the bricks follow an alternative patterns of long and short bricks, then you are likely to have a solid wall which means there is no cavity and therefore not suitable for this type of insulation. In this case a method such as external wall insulation or internal wall insulation would be better suited.

However, if your property follows an even brick pattern then it probably has a cavity which is what’s needed for this type of insulation. A thermal imaging camera is the best way to identify where heat is lost through the walls and therefore where is and is not insulated.

Why Choose ProGuard Exteriors Ltd?

  • Free Guarantees Up To 25 Years On New Installs
  • Over 20 Years Of Experience In The Industry
  • All-In-One Cavity Wall Insulation Packages
  • Wide Coverage Across Buckinghamshire
  • Fully Insured & Accredited Workforce

Cavity Wall Insulation Cost & FAQ’s

How Much Does Cavity Wall Insulation Cost?

The price of having cavity wall insulation installed will vary depending on the type of property and type of insulation that is used. On average a detached house will cost between £3500 to £5500. A semi detached house will cost between £2000 to £4000. A mid-terrace house will cost between £1500 to £2500. A bungalow will cost between £2000 to £4000. Please note that these are ESTIMATES ONLY!

Is My House Suitable For Cavity Wall Insulation?

One of our accredited and registered cavity wall specialists in Oxfordshire will undertake a full assessment to identify whether or not your property is suitable for cavity wall insulation.

Does Cavity Wall Insulation Cause Any Disruption?

This type of insulation is installed from outside of your property. The drilling process does mean vibrations will be felt from inside. Our cavity wall insulation installers will need to access all of your exterior walls so the only time they would need access is to get inside outer buildings such as garages, lean-to sheds and conservatories. If you live in a semi-detached or terraced house our team will be able to advise you.

Does Anyone Need To Come Inside My Property?

When we undergo our initial assessment our surveyor must carry out checks before (and after) the installation so access to your property will be required. 

Does Cavity Wall Insulation Work For Semi-Detached Properties?

If your neighbours property is not insulated our installers will insert what’s called a cavity barrier at the party wall line. However, if your neighbours house were to be insulated at the same time then this barrier would no longer be required. Our team will be able to advise you on this in the initial assessment and survey.

Is There Any Ongoing Maintenance Or Servicing Required?

No. Once the cavity wall insulation is installed there will not be any need for ongoing maintenance or servicing. The insulation should last for the lifetime of the property.

Do You Cover All Areas In Oxfordshire?

Yes. We provide cavity wall insulation across all areas in Oxfordshire.

Our Working Locations

The ProGuard Exteriors Ltd team provide all aspects of cavity wall insulation Oxfordshire and surrounding areas. This includes both residential and commercial cavity wall insulation services.

We serve all Oxfordshire locations including but not limited to Oxford, Banbury, Abingdon-on-Thames, Bicester, Witney, Didcot, Caterton, Kidlington, Henley-on-Thames, Wallingford, Thame, Wantage, Grove, Faringdon, Chipping Norton, Chinnor, Benson, Eynsham, Wheatley, Kennington, Sonning Common, Woodstock, Charlbury, Watlington, Bampton, Deddington and many more.

If you are looking for cavity insulation contractors then please contact us for a free quote and consultation today.


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Oxfordshire Cavity Wall Insulation Company

ProGuard Exteriors Ltd is a highly recommended cavity insulation company providing bespoke packages for homeowners, developers and businesses across Oxfordshire.


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We Look Forward To Helping You!

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