South East Coverage
25-Year Guarantee
20 Years Experience
AWARD-WINNING SHDF / WH:SHF INSTALLER
Benefit from 20+ years of award‑quality insulation, trusted accredited installers, and expert service from start to finish across the South East.
ProGuard Exteriors are trusted experts in spray cork coatings, exterior wall insulation, rendering, and external facade refurbishment across Oxford and South East England.
With over 20 years of industry experience, we specialise in durable, energy-efficient exterior solutions for both residential and commercial properties.
By focusing exclusively on external walls, we offer in-depth knowledge, attention to detail, and high standards of workmanship. From improving kerb appeal to boosting thermal efficiency and protecting buildings from weather damage, we provide tailored services to meet your needs.
Our expertise in modern insulation systems and protective coatings ensures long-lasting results that improve both performance and appearance…
Whether you’re upgrading thermal efficiency, revitalising tired facades, or protecting against the elements, we provide tailored services to meet your goals.
From single homes to large-scale developments, we work independently or alongside your team to ensure seamless delivery. Our team is dedicated to delivering high-quality finishes that not only enhance your property’s appearance but also improve its long-term durability and energy efficiency.
Already have a project in mind? Get a free quote today. Not sure? Request a free survey and we’ll recommend the ideal solution for your property…
Why Choose Proguard Exteriors?
ProGuard Exteriors are trusted insulation and rendering specialists offering guaranteed, accredited services across the South East…
Over 20 Years Of Experience
Benefit from our extensive industry knowledge built over 20+ years of hands-on experience
Up To 25 Years Guarantee
Enjoy peace of mind with our long-term guarantees of up to 25 years
Wide Coverage Across South East England
Serving a broad range of areas throughout South East England with local teams ready to assist
Free Survey, Quote & Expert Advice
We offer free on-site surveys, quotes, and tailored expert advice with no obligation
Highly Recommended By Previous Customers
Trusted and praised by homeowners and businesses for professionalism, quality, and outstanding service
All-In-One Insulation & Rendering Packages
Streamline your project with comprehensive, all-in-one solutions for insulation and exterior rendering
Endorsed Standards & Protection
Trusted for meeting rigorous industry standards, with extra peace of mind from independent protection schemes
Manufacturer Approved
Trusted by leading insulation and rendering system manufacturers for our proven quality and expertise
Residential & Commercial Tenders
Equipped to handle both residential jobs and large-scale commercial or public sector tenders
Frequently Asked Questions
Find quick answers to common questions about our services, process, guarantees, and qualifications…
What services do you offer?
ProGuard Exteriors are trusted experts in spray cork coatings, exterior wall insulation, rendering, and external facade refurbishment. Our full suite of wall insulation and rendering services include…
Spray Cork Insulation
Exterior Wall Insulation (EWI)
Exterior Wall Coatings
External Wall Rendering
Where do you operate?
ProGuard Exteriors are based in Aylesbury and proudly deliver expert exterior wall insulation and rendering services across Oxfordshire, Buckinghamshire, and Hertfordshire.
What accreditations and guarantees do you have?
ProGuard Exteriors are recognised for high-quality spray cork coatings, insulation, rendering, and facade refurbishment and are backed by numerous industry accreditations and independent protection schemes including…
TrustMark & QualityMark Endorsed
PAS-Accredited Installers (SHDF / WH:SHF)
EWI Pro Recommended Installers
CorkSol Approved Applicators
Up to 25-Year Installation Warranty
How does the free survey and quoting process work?
We offer a fast, no-obligation assessment that includes expert recommendations tailored to your property’s needs—all with a quick turnaround.
Free site survey, including wall cavity inspection
Bespoke quote with expert system recommendations
Fast response—typically within 24 hours
Why choose Exterior Wall Insulation (EWI)?
Exterior Wall Insulation (EWI) is a smart, long-term solution that improves energy efficiency, comfort, and the overall value of your home by addressing one of the biggest sources of heat loss—your external walls…
Reduces heat loss – walls lose up to 35% of heat in uninsulated homes
Cuts energy bills and boosts indoor comfort
Adds protection against damp and mould
Helps reduce noise and enhance external appearance
Can increase property value and improve EPC rating
What types of insulation and finishes are available?
As a company we primarily install natural Sprayed Cork (CorkSol) as a lightweight, breathable, and eco-friendly solution ideal for both insulation and exterior protection. We also offer a range of high-performance insulation materials and modern render finishes to suit different property needs…
Insulation Options…
Sprayed Cork Insulation (CorkSol)
EPS (Expanded Polystyrene)
Mineral Wool
High-Performance Phenolic Foam
Render Finishes…
Silicone Render – Low-maintenance & algae-resistant
Monocouche Render – Pre-coloured & breathable
Acrylic Render – Flexible & crack-resistant
Will insulation alter the look of my home?
Yes. EWI and CorkSol allow for a range of finishes, colours, and textures – including brick slips or timber cladding to match or refresh your property’s appearance.
Will insulation increase my property value?
Absolutely. Improved thermal performance, a better EPC, enhanced aesthetics, and savings on energy bills are all attractive to buyers – and can increase your property’s market value.
Our Working Locations
Wherever you’re based in our region ProGuard Exteriors delivers reliable, high-quality solutions to protect and enhance your property…
Service Areas & Locations
ProGuard Exteriors proudly delivers expert exterior insulation and rendering services across Oxfordshire, Buckinghamshire, and Hertfordshire.
From Aylesbury and Milton Keynes to Oxford, Bicester, and Banbury, our skilled team provides expert insulation and rendering services tailored to each property. We also serve towns including Marlow, Thame, Abingdon, Didcot, Chesham, and Tring.
Wherever you are in our service area you can trust ProGuard Exteriors to enhance and protect your property with expert care and quality workmanship.
Our highly skilled and accredited team has over 20 years experience, specialising in wall insulation for homeowners, main contractors, local authorities and commercial businesses.
If you are looking for a trusted insulation specialist then please contact us for a free quote and consultation today. We accept any type and size of residential project or commercial tender…
Our Services
Whether you’re renovating your home or upgrading a commercial property, ProGuard Exteriors delivers award-winning exterior insulation and renovation solutions…
Spray Cork Insulation
Sprayed cork insulation is a method of insulation used to insulate the exterior walls of a property which results in improved thermal performance, decreased energy…
Exterior Wall Insulation
Exterior wall insulation is a method used to insulate the exterior walls of a building to improve thermal performance, reduce heat loss, decrease energy consumption and…
Exterior Wall Coatings
Exterior wall coatings are an excellent investment for any property owner looking to improve the appearance and durability of their building’s exterior. Wall coatings…
External Wall Rendering
ProGuard Exteriors provide bespoke external rendering packages for homeowners, developers and businesses across all areas in South East England. Our in-house team…
Commercial Services
With over 20 years experience working on a variety of commercial projects as the main or sub-contractor, we’ve seen most types of developments, from the mainstream…
DBEEE Grant Scheme
DBEEE primarily focuses on home insulation, as well as window and door upgrades, because these measures significantly enhance energy efficiency. By reducing…
CLIENT TESTIMONIALS
“ProGuard Exteriors is an excellent company to deal with and we cannot recommend them highly enough. Their teams are reliable, efficient, effective and a pleasure to deal with. The end results they have produced on our exterior walls are superb!”
~ David L.
Wallingford, Oxfordshire
“ProGuard have done an excellent job on a difficult house requiring a number of different treatments. Thanks especially to Dave who coordinated much of the work and his colleagues who worked extremely hard to finish it.”
~ Keith F.
Bicester, Oxfordshire
“I'm very pleased with my external insulation! The house looks beautiful and feels very warm. ProGuard Exteriors were very easy to deal with and if there were glitches they fixed them promptly. I'd be very happy to recommend this company!”
~ Meriel R.
Thame, Oxfordshire
SERVING THE SOUTH EAST
ProGuard Exteriors proudly serves the whole of South East England, delivering expert solutions in spray cork coatings, external wall insulation, rendering, wall coatings, and commercial facade renovation. With our local knowledge and specialist expertise, we provide tailored services for residential and commercial projects of all sizes.
25 YEARS GUARANTEE
ProGuard Exteriors stands behind the quality of our work, offering up to 25 years guarantee on our coatings and finishes. This long-term commitment provides peace of mind, ensuring your property remains protected, durable, and visually appealing for years to come.
20 YEARS EXPERTISE
With more than two decades of industry experience, ProGuard Exteriors brings seasoned skill and technical knowledge to every project. From modern insulation systems to decorative rendering and commercial facades, we consistently deliver professional, high-quality results.
ACCREDITED & FULLY INSURED
Our installers are fully insured and accredited by leading industry bodies. Whether working on residential rendering, external wall insulation, or large commercial projects, our highly trained team ensures reliable results with complete safety and compliance.
TRUSTMARK APPROVED
ProGuard Exteriors is endorsed by Trustmark and QualityMark Protection, guaranteeing that our services meet the highest industry standards. These recognitions provide assurance of quality, reliability, and professionalism across all our insulation and rendering solutions.
FREE QUOTES
ProGuard Exteriors offers free, no-obligation quotations for all spray cork, wall coating, insulation, and rendering projects. Whether you’re refreshing a home facade or upgrading a large commercial property, our experts are ready to help you achieve lasting protection and style.
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Registered Office: 15 Edison Road, Aylesbury, Bucks HP19 8TE
Registered in England and Wales No. 10352234 | VAT Number: 265 6002 17
enquiries@proguardexteriors.co.uk
03316 300 082
Monday to Friday 8:00am - 6:00pm / Weekends - Closed