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Craig got in touch quickly, gave me a rough estimate over the phone and answered all my questions. Surveyor arrived on time, gave instant quote. Price was good. Michael and (another) Craig turned up to do the job on the day, time given. Good, tidy job. Can't fault anything, from start to finish!! Would recommend!
Mary
George and his team are experienced builders, replaced my front door with a custom frame/sidelights and raising the floor level in the hallway quite quickly - in fact, they were the only who came next day, gave a quote straightaway and were ready to start in just couple of days. They also had all the necessary tools and materials, were ready to buy something additional quickly on the day - if further adjustments were required to fit everything as I asked. Thanks a lot for your help, guys!
Dmitry
Highly recommend. These guys did a fantastic job of constructing our pergola and decking. Very hardworking and reliable. The job was completed in the time frame agreed and to a very high standard. We would 100% use them again.
Holly
Explore hundreds of cavity wall insulation specialists on Rated People, ready to improve the energy efficiency and comfort of your home or business. Whether you’re considering a new insulation installation to lower your heating bills or extracting old, damp insulation to protect your property, our platform helps you connect with professional local companies who can deliver top-quality workmanship. If you’re a cavity wall insulation specialist, discover how joining Rated People can help you connect with clients and grow your business.
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What can a cavity wall insulation specialist help with?
Avoid stress and costly damp repairs down the line by hiring a skilled cavity wall insulation specialist to help you out. Look out for insulation installers that:
- Are a skilled company with a strong history of high-quality energy efficiency installations.
- Have all the licenses and insurance needed to protect your property and their workers.
- Have a good range of positive reviews from previous customers vouching for their reliability.
- Are offering the exact insulation material you need, and are available to carry out the work in the timeframe you need it by.
- Are quoting a price and payment option that you are happy with, having compared the insulation quote with other local companies.
A local cavity wall insulation specialist is more likely to respond quickly as they’ll be right around the corner and ready to assess your home.
Post a job today to find a skilled insulation installer in your local area.
How much does it cost to hire an insulation company?
How much you end up spending on cavity wall insulation will depend entirely on the size of your home and the material you select. The most common insulation materials include budget-friendly mineral wool, expanded polystyrene (EPS) beads, and high-performance polyurethane foam. The overall size of your property, ease of access, and where you live in the UK will also have an impact on costs.
The average cost of a cavity wall installation typically ranges between £1,200 for a mid-terrace home and £3,000 to £5,000 for a large detached house.
For more accurate information on energy-saving budgets, read our cavity wall insulation cost guide, or post a job today to request a free quote from a local insulation specialist.
Factors to consider when choosing a cavity wall insulation specialist
A well-insulated home can entirely transform your living environment, turning it into a cosy, warm space while significantly reducing your winter heating bills. What's more, proper insulation eliminates the stress of rapid heat loss and can add an average of over £11,000 to your property's value by boosting its energy efficiency rating. Investing in cavity wall insulation can also lower your household's carbon footprint and make the property highly appealing to future, eco-conscious buyers.
A cavity wall insulation specialist can help you with:
- Conducting a pre-installation camera survey to check if your cavities are suitable and free of debris.
- Injecting high-quality materials (mineral wool, polystyrene beads, or foam) into the external walls.
- Extracting old, failed, or damp insulation that is causing internal condensation issues.
- Patching and drilling access holes with color-matched mortar to leave a virtually invisible finish.
Insulation specialists don’t just fill walls with foam. They carefully calculate your home’s ventilation needs to prevent dampness, check the structural integrity of your wall ties before starting, and ensure that airflow to existing brick vents or subfloor voids remains entirely unblocked.
Looking after your home's thermal barrier is incredibly important, as poorly installed or degraded insulation can trap moisture against your internal walls, leading to expensive structural damp and mold remediation. If your property is feeling drafty or costing a fortune to heat, an expert can get your insulation back into perfect shape.
Whether you want to install new energy-saving beads or need old, compromised insulation professionally extracted, speak to a specialist today to receive a free quote.
Other insulation FAQs
How long does it take to install cavity wall insulation?
For an average-sized semi-detached UK home, a professional cavity wall insulation installation is surprisingly quick and usually takes between 2 to 5 hours to complete. The installers perform the work entirely from the outside of your property, meaning there is zero disruption to your interior living spaces while they work.
What are the building regulations for cavity wall insulation?
All cavity wall insulation projects in the UK require a building notice to be submitted to a local building control body. A qualified installer will handle this for you, ensuring the chosen material meets the required structural 'U-value' (thermal transmittance standard) to fully comply with current UK building regulations.
How do I prepare for a cavity wall insulation installation?
To prepare for the installer’s visit, clear any vehicles or obstructions from your driveway to grant them easy access to the external walls, move garden furniture away from the house, and ensure any internal areas near the walls are clear so the team can occasionally check interior vents during the drilling process.
ETD PICIU LTD
Cavity Wall Insulation
Groundwork businesses with many years of experience. Site Manager certificate, CPCS plant operators, first aid,and many more Qualifications.
We are a team with over 20 years of experience on building industry. We offer these services Driveaways, house extensions, Loft conversions, garage conversions, Summer houses, Bathroom fittings , Patios, landscaping, Fully refurbishment, etc.
Thank you soo much I m sooo happy About your work And Driveway you make for me.Excellent work you Done for me clean and tidy work i will tell my all frend if they wan't to make Driveway they should call you first I hope you gonna do my Another driveway soon Thank you sooo much again
EPR Restoration
Cavity Wall Insulation
EPR Exterior Property Restoration provides professional exterior cleaning and restoration, including driveways, patios decking (soft clean), fence painting, gutters and exterior painting fully insured with free quotes. Covering Caerphilly, and Cardiff and surrounding areas
hi, if you want to make improvements to your home, do not hesitate to contact us for: brickwork , blockwork, driveways, pointing, concrete, house extensions, etc. thank you
They are fantastic, they talk, listen and were very easy to work with. I am very very pleased with their work. Also, I highly recommend them to you, they did an excellent job, Thank you guys!
DMK is a family run construction business, my self and my team are fully qualified trades men with many years under our belt. we specialise in all building work and carry out our work to the highest standards.
Darren was excellent. Great communication, very informative about the job. Cleaned up well, competitive pricing. All in all a great job.
We are pleased to continue providing a professional and dependable service to all our clients, fully recognizing the essential role that high-quality standards contribute to our success. Looking forward, we anticipate that the robust relationships we are cultivating will result in an increased number of satisfied clients, fostering further recommendations and sustainable growth.
Fedor and his team are polite, hard-working and extremely talented. It was a complicated job and Fedor handled it brilliantly. We are absolutely delighted with the beautiful London Stock brick wall that has been built. We would definitely recommend Fedor and Cuicut Construction, and will certainly use them again in the future.
We are a family run property maintenance company with many years experience
Moss Rid were great and very cheap. Arrived on time to do repair works to the roof that were not straight forward and in a difficult position. They even brought spare tiles with them in case mine could not be rescued. Executed repair work very quickly and efficiently. Roof is now watertight again. Would recommend their services and will definitely use again. Many thanks
TWF Roofing Services is a roof repair specialist covering Bournville, Harborne, Halesowen Birmingham and the surrounding areas. We are committed to delivering excellent customer service and quality workmanship, with our prices being very competitive.
Very happy with the work done i would recommend tom and his team.
TRADE ASSOCIATES
Cavity Wall Insulation
Trade Associates has been successfully running for 5 years now, primarily through recommendations. But with the climate as it is now we would like to combine providing job opportunities for traders that may now be struggling with growing our business further.
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builders a1
Excellent job. Also, the underground complex he built was pretty cool too.
RS Contractors (UK) LTD
Cavity Wall Insulation
RS Contractors (UK) Ltd are a well-established, multi-trade contractor, specialising in the insurance repair, and maintenance sector. whilst also offering professional services in commercial projects, fire safety and home improvements. With our office based in Bedfordshire and our ever-growing footprint, we have the flexibility of delivering our services in London and surrounding counties. Since 2011, we have earned a strong reputation for reliability, efficiency, and excellent communication within our customer relations. Here at RSC, we pride ourselves as highly skilled professionals who are committed to meeting and exceeding customer’s expectations on every project. With the team’s training and experience, all projects follow the required Health and Safety measures and and our operatives are fully certified.
New to rated people and trying to build my reputation. All carpentry works undertaken and completed to a high standard. Neat, tidy and reliable is the DMF Carpentry way
Dom contacted us to book when he could do the job and kept us up to date when he was delayed due to picking up supplies to start it. The 2 gates were hand made and were finished over the allotted time and on budget and we could not fault the workmanship. Two sturdy gates at a very reasonable price and he made sure we were happy with his work and that the job was left clean and tidy before he was finished. We would highly recommend him.
I started my company IJM in 1987, and with over 40 years of experience covering every aspect of the build industry, we can provide you with a complete service tailored to your exact requirements, from repairing a damaged fence to building new houses.
Ian and his team did a really fantastic job with our loft conversion. We now have an extra bedroom, study and bathroom. They are professional, knowledgeable and efficient. I’d absolutely recommend Ian to anyone, and we will be looking to use him again for other projects in the future.
Reliable Builder | Hands-On Multi-Trade Specialist | 15+ Years’ Experience I am a reliable hands-on builder with 15+ years’ experience in construction, refurbishment, and multi-trade work. I take pride in doing jobs properly, keeping clients updated, and delivering a professional finish. I work across a wide range of jobs, including carpentry, plumbing, painting and decorating, flooring, tiling, bathrooms, kitchens, partitions, and general property improvements. I also have practical electrical experience and a strong understanding of site work, coordination, and problem solving. Over the years, I have worked on both smaller domestic jobs and larger development projects, including commercial-to-residential conversions. I am used to dealing with materials, design changes, site issues, and keeping work moving in the right way. Customers choose me because I am practical, trustworthy, and easy to work with. I focus on quality, clear communication, and making sure the job is done to a high standard.
WELCOME TO CONSTRUCTION LONDON We offer our services throughout , Essex and East and south London. Construction has a wealth of building and construction experience including , extensions, renovations, restorations, and more, we are happy to do bigger project of paint one room and Our team has a solid foundation of highly skilled devoted and dedicated tradesmen you can trust. We all strive for perfection. We offer an affordable, reliable and high quality service with specific attention to detail resulting in clean and precise work. Our team ethos is to continue to deliver these high standards to each of our clients, from the initial meeting right through to the completion of a project
Alex did a fantastic job redecorating my flat. His communication was excellent, he got everything finished on time, he made helpful suggestions of things that needed doing. Highly recommended.
We are a small plastering company based in Tunbridge wells kent,We cover all aspects of plastering and have 20 years experience.We do our up-most to do a clean tidy job and leave your house how we found it.
Marc is a very skilful professional plasterer! He performs difficult jobs with ease!
we are brickwork direct a professional time served building team, specialising in all aspects of brickwork,joinery and extensions.offering full project management from planning to the final brush strokes of paint.est 1989.
Welcome to LBS building services formally called capstick & oconnor. We pride our selves on our highly skilled, helpful friendly team. We offer a second to none service always aiming for the highest standards of workmanship at prices that are affordable.
Prompt and professional, thank you!
We are a familly run business with over 30 years experience,covering all types of building work but more recently specialising in bathroom and kitchen renovations. CHECK US ON FACEBOOK @hometec home improvements paisley
Chris and his son done a fantastic job in my bathroom and took a lot of care in making sure my stairs were kept clean in putting dust sheets down they even hoovered and clean everything before the left .I would highly recommend them.
Need a new roof? New floor? Loft conversion? You name it we do it! Ring Damian for an unbeatable quote today and ill get back to you within the hour, thats our promise!
Damian and his team ended up re doing my roof. They were courteous, polite, hardworking and I will always be using them for any roofing/building issues in the future. Thanks again.
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