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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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Find cavity wall insulation specialists near me
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.
It's family business and we are happy to help people on any projects
Vinnie and his team did an excellent job of our external render, they were prompt, hard working and very tidy. I would unequivocally recommend their services.
Carpentry / Construction & Building Company Specialising in small to large scale projects. Specialised in Carpentry, Kitchens & Bathrooms
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Avenue Roofing is a family company established in 2009 by Mr Paul Nock. I am qualified NVQ level 2 in roofing and construction and I have 30 years experience in all aspects of roofing.Numerous references available from private customers/landlords. I should have 20-25 ratings on here but not everyone leaves a review!
A person from the company came to the house, looked at the job, promised an estimate. Haven't heardanything since.
Hampton Tiles provides state-of-the-art tiles, sanitaryware, and brassware for residential and commercial level clients. We supply high quality, premium products to our clients in the UK. We work regardless of the size of project, and do it with sheer dedication and commitment.
TS Construction
Cavity Wall Insulation
Over 20 years of experience, we deliver high-quality construction and property services with a hands-on, methodical approach. From new builds to small renovations, we ensure every detail meets the highest standards. Clear on communication and a commitment to excellence for a project to be delivered with no surprises. We specialise in full build projects, contracting all services and commit to those high standards for even the smallest of projects. Groundworks Brickwork Drainage Extensions New builds Loft conversions Carpentry Landscaping Patios Driveways Fencing Enquire today!
Hi :) I have a range of experience across the trade, with specialised expertise in the following areas,over 12 years: -in Drylining -in Carpentry - in refurbishing restaurants and houses. -Loft Conversions -House extensions After all that, I finally have the team, which we can do jobs from A to Z - Plumbing (gas safe certified) - Electrical (Certified) -Roofs -Loft Conversions -Extensions -Groundwork -Gardening -Fencing -Waste removal I'm happy to help across all jobs and answer any questions. Thanks for passing by, and I hope to hear from you soon :)
Job done to very good quality but job did run over due to the Christmas period overall very happy
Tani Dauti Building Services
Cavity Wall Insulation
I have over 25 years experience in the building service.
Gary O'Connor
Cavity Wall Insulation
DJ Construction Family run business with over 40 years experience. -Groundworks -Construction -Plastering -Carpentry -Roofing
Dh Property Services is a newly registered company who are happy to quote for any size job. 15 years in a manufacturing and installations ranging from flat pack furniture to complete kitchen/bathroom installs. commercial, domestic and landlord services
Great service from Dave, excellent job painting my summerhouse. I can recommend highly.
Stewart my work partner and myself Adam, combined have over 60 years experience in the building industry. We run a small friendly team of committed guys that have everyone in mind when it comes to health and safety and maintaining a clean and tidy work site with minimal disruption while works commence. Our primarily trades are carpentry/joinery, bricklaying, plumbing, plastering and landscaping. however Stewart and i alone have served lengthy apprenticeships with our fathers and right from the off have turned our hands to all aspects of the building trade. Most importantly we value our customers criteria and strive to go the extra mile in both keeping to strict rota and maintain the job is not only completed within the time frame but to a high standard. We honour our good reputation of being punctual and polite and most importantly easily approachable combined making it an easy working atmosphere which we feel is vitally important. We the team at Artisan's construction look forward to meeting new people and taking on new challenges, The dexterity of work we have undertaken is so varied but generally based around the property development aspect for example... extensions, loft conversions, renovations, layout alterations, roofing, ceramic tiling, landscaping and so much more. We have had years of dealings with building control planning and developing and a good able knowledge of using architectural drawings and structural engineers reports. Where and when appropriately we have an electrician and plumber on the team that can competently carry out works and sign off respectively. We as a team look forward to being of service and making you proud you've come on board and will strive to achieve this work based relationship. Thanks for taking the time to browse our page and take care, kind regards from all the team at Artisans.
Thanks for the hardwork
Anni's decorating services has recently teamed up with 2 fellow trades women to offer a wider range of home improvement solutions to new and existing customers.
hard working and reliable.
I have had my own company for 32 years, we are a team of six. We are an honest team and work together. We are a family run business. We specialise in fitting kitchens bathrooms and extensions.
Marcel worked efficiently to deliver a high quality finish to our bathroom renovation. He communicated what he was doing at each stage of the renovation and was helpful in sourcing the materials. He worked long hours and always cleared up after himself. Marcel is friendly, honest and hardworking. The quote was very reasonable in comparison to other quotes we received, our first quote was honoured despite the job being more complex than initially anticipated. We will be using Marcel again for other jobs.
We are Here to help with all your Double Glazing needs. Fensa Registered Installer with over 20 years of experience within the Glazing industry we have vast experience & knowledge to pass on to our customers so we can offer the best cost effective service.
I would not hesitate to use them again
If you are thinking of extending, converting, or in any way structurally altering your home, we can assist you with any or every stage of your project.
Paul did an excellent job of removing the old storm porch that was attached to my front door. Everything removed, rubble taken away, great chat & well priced. I wouldn't hesitate to recommend Paul to anyone looking to get some demolition work done! Thanks Paul!
With years of hands-on experience in the industry, we are committed to providing reliable, high-quality service with a focus on customer satisfaction. Our team specializes in delivering professional solutions tailored to each homeowner’s needs, whether it’s repairs, installations, maintenance, or complete project management. We take pride in our attention to detail, honest communication, and dependable workmanship. Our staff is fully trained and continuously educated on the latest industry standards, techniques, and safety practices to ensure every job is completed efficiently and to the highest standard. When you work with us, you can expect professional service, transparent pricing, and results you can trust.
Excellent. When no-one else would quote, he diagnosed a fault in an obsolete fluorescent light and fixed it instantly. Just started in business and seemed unsure of how to collect payment, but sure he will soon sort that out. Will certainly use again.
Hi I'm Andy I'm 43 and first started out in 1996 did my apprentice with George wimpy builders and spent 20 years in Various trades I am a multi skilled tradesmen and pride myself in my work and value my customers as you are the key to success
Hi, I’ve 25 years experience in joinery, from new builds to renovations. I do alot of garage conversions,man caves, sun rooms and loft conversions at the moment, as well as all general joinery. From doors to lofts (no job too big or too small)
S&B FLAT-ROOFING & FIBREGLASS SPECIALISTS
Cavity Wall Insulation
S&B Fiberglass roofing & Carpentry, property improvement specialists with over 15yrs experience of working in the industry.
We hired Ionut to lay some decking and build two planters and some bench seating as well as landscape the garden and laying a new lawn. Ionut and his team did an exceptional job - the work is very neat and professional and we ended up with a great finish. They were polite, respectful and worked very hard. I have already recommended Ionut to a friend and hired him for another job (laying slate slabs) which was also done incredibly well.
Handyman, building, landscaping, painting. Public liability insurance. All major debit and credit cards payments accepted for payment convenience.
Dan delivers (very) good work for a fair price and he is reliable (good communication, shows up on time), very service-oriented, tidy and a very friendly & pleasant person. He's done several jobs for us now and I would certainly ask him back,
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