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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.
ACCOMPLISHED PLASTERING AND BUILDING SERVICES. SPECIALISING IN BUILDINGS. LOFT CONVERSION. PATTEN CONCRETE. PLASTER RESTORATIONS. CELLAR TANKING.FOR BEAUTIFUL ROOMS. SOVEREIGN APPROVED DAMP PROOFING. EMERGENCE.ROOF.REPAIR. FULL PUBLIC LIABILITY INSURANCE
Clear communication detailed quote and did exactly what was asked,friendly and helpful towards my tenants,would use again and wouldn’t hesitate to recommend.
D.A.V. BUILD LTD
Cavity Wall Insulation
PSP Brickwork creates professional bricklaying solutions, brickworking and stonework to the highest standards. Highly skilled craftsman in both traditional and more modern techniques, all of our work is different and made to the customers requirement.
good work
With over 25 years of experience in the construction and property improvement industry, I provide a comprehensive range of services including design, foundations, building work, insulation, damp-proofing, plumbing, central heating, electrical installations, plasterboarding, plastering, kitchen fitting, bathroom installation, flooring, roofing, painting, decorating, and project management. I take great pride in delivering high-quality workmanship and have built a strong reputation for reliability, professionalism, and outstanding customer service. Using premium materials, including high-performance Zinsser products, and professional-grade equipment, I ensure every project is completed to the highest standard with a durable, long-lasting finish. Whether it's a small repair or a large-scale renovation, every job receives the same attention to detail and commitment to quality. All painting and decorating work is finished to a hard-wearing standard and backed by a 3-year guarantee. When quality matters, choose experience you can trust. Get the best from the best.
Have used again for a lead flashing roof repair and fascia fixings. Excellent communication, work ethic, craftsmanship and price.
Hello there My name is Eryk and I’m a served time joiner with over a decade trade experience and a higher national certificate joinery qualification.At the beginning of the year I have decided to start my own business to help others and local people with any aspects of joinery or renovations. Better made solutions always provides the highest standard of work at a affordable price ! All of our quotations are free and we like to go the extra mile to help others. No job is to small so please do not hesitate and get in touch ! From hanging tvs and pictures, to beautiful kitchens and extensions, you can count on us! BMS
Eryk and Michael from BMS installed new engineered laminate flooring in my through and through lounge dining room and hall they did an excellent job at a very reasonable price. They are a hard working pair turned up every morning just after 8.00am, their work was meticulously planed and carried out. I would recommend them to anybody. Murray Borland
Weagan Building Contractors have a combined construction knowledge of 40 years experience in the construction industry. We managed projects from start to finish with all are clients. Full house builds, full house deisgn and build, single & double story extensions, full house renovations and barn conversions. Simply put we are big enough to handle any project at the same time as being small enough to care about each individual client & their project. Weagan Building Contractors have a specialist groundworks and drainage department. We cover domestic and commercial drainage installation and repairs. This along with a highly skilled team of employees & a passion for doing things correctly makes us the perfect answer for all construction projects.
Morgan and Mike contacted me on the day of posting my job, visited that same afternoon and sent me an itemised quote that evening. They understood that the job was urgent and turned up on the appointed day, at the appointed time. Both my wife and I found they were happy to explain their work and to give us options. The work was neat, efficient and just what we needed. We will definitely use them again and would be happy to recommend them. Very pleased.
We are very proud to offer our Building Services in Cornwall . We have 30 yrs of work experience in Cornwall. We always give our customers a fixed start date, always turn up and we also give finishing dates on all works. No Builders, locally works tidier than us.
Great job done , would hire again , well recommended
Poppleton's Property Construction
Cavity Wall Insulation
Our family-run building business has been serving the local community for over a decade. We specialize in a range of building services, including new builds, renovations, and extensions. As a small business, we pride ourselves on delivering a personal touch to every project we undertake. We understand that building projects can be stressful, so we strive to make the process as smooth as possible for our clients. From the initial consultation to the final inspection, we work closely with our clients to ensure their needs are met and their vision is realized. Our team of experienced builders, architects, and designers are passionate about delivering high-quality workmanship and attention to detail. We use only the best materials and tools to ensure that every project is completed to the highest standards. We are committed to delivering projects on time and within budget, without compromising on quality. We are fully insured and guarantee our workmanship, providing our clients with peace of mind. At our small family building business, we treat every project as if it were our own, and we are committed to building lasting relationships with our clients. Contact us today to see how we can help with your building needs.
Do not pay attention that we are new on this website...the experience is ours! We do: rendering, painting and decorating, floors and carpeting, woodwork,tiling and flooring, plumbing, windows and doors, brickwork, electrics.
I recently had my bathroom floor tiles replaced. Chris was tidy, efficient and communication was transparent throughout. Happy with the end result and would recommend Chris to others.
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.
I am a self employed all round general builder.. I'm a very keen hard working general builder with many skill sets. I hope I can be apart of helping you achieve your dream home. I work on every aspect of works including new builds, exstensions, barn convertions, brick and blockwork, plastering, damp proofing, flooring, tiling, windows and doors, facia, soffits and guttering and many many more.
Billy was a wonderful person and we were really looking forward to him carrying out the work he had quoted for but a few weeks before starting the job he cancelled without providing a reason
Small company producing good quality work at reasonable rates
Colin is an honest reliable conscientious worker.stuck to his quote and no hidden costs.he installed my new kitchen and made a wonderrful job.His work is outstanding and l would recommend him 100%.We are so chuft we went on rated people.Will get him again.Thank you Colin.
We are a building company with over 30 years experience. We cover all aspects of building and home maintenance.
Fanulous job - delivered on time - excellent quality!
Here at Tenfold Renovation, we aim to forge close, trusting relationships with all of our clients. Allowing us to bring creativity and craftsmanship together to deliver the best possible results in the industry. Whether you have a property you want to build or just want to renovate your current property into your dream home, we can help turn your vision into reality.
Vitaliy & his team are excellent. They were very punctual starting at 7.45 every day & working full solid days, even at weekends. They never missed a day. Vitaliy kept me daily updated regarding the process & was present on the job each day. The quote was detailed & competitive & final cost close to the original. The work was completed to a very high standard. It was a complex job but Vitaliy made the process less stressful. I was kept updated asked my opinion even on the smallest things.
I’m an electrical improver, painter/decorator and general handyman with over 15+ years of experience in first/second fix installation, renovation and general remedial works on both residential and commercial properties and projects. Im happy to take on any task big or small and aim to provide a quick and thorough response and service with a keen eye for quality and detail. Please feel free to get in touch snd discuss any and all potential works.
Product Plumbing&Heating
Cavity Wall Insulation
PWD Construction is company with more 10 years experience in building extensions, doing loft conversions, fitting kitchens, bathrooms, floors and general building work. We can work with small and big projects and we are happy to quote for any job.
He came on time and was very informative and nice but we have not heard from him since. A
In and out services ltd
Cavity Wall Insulation
In and Out Services Ltd is a highly experienced full-service Building, Maintenance & cleaning company based in Surrey. We cover all aspects of internal and external Construction, Maintenance & cleaning for domestic and commercial customers. The Services we offer are:- External Maintenance:- We have a very strong team of landscape gardeners who cover all aspects of external maintenance, hard landscaping, soft landscaping and external cleaning. Decking & Summer House design and construction Garden tidy ups (Grass cutting, tree and hedge cutting ect) Hard landscaping (Driveways, Patios, Fencing and Brickwork) External Painting External Cleaning (Upvc Cleaning, Jet washing of drives, patios & Pathways and Roof Cleaning) Waste removal Ground works Construction & Refurbishment:- Weather it is a full refurbishment a freshen up, an extension or conversion your home requires we are on hand to take the stress off you, our skilled project manager will facilitate the project from start to finish managing all of our in house trades, recommending and ordering all materials and answering any questions to ensure the project goes as smoothly as possible. We will liaise with your architect, building inspector and local authority if the project requires meaning all you have to do is sit back and wait for the transformation! Internal Maintenance:- We have several multi-trade operatives and handy men who are on call to help you with any issues in your home or rental property, we also offer a 24/7 call out service. Cleaning Services:- Our cleaning division works for some of the UK's biggest estate agents and developers taking care of end of build cleans and end of tenancy cleaning. Some of the services we offer are:- Full end of tenancy Cleaning Move in Cleaning After build Cleaning Extreme / deep cleaning Carpet and upholstery Cleaning All the products we use are natural and non-toxic to humans and animals, and we are constantly researching the latest products to ensure you get the best possible service at an incredibly high standard. Our teams of professionals cover Surrey, Hampshire, Berkshire, London & Kent For more information please do not hesitate to get in contact with us. We offer a free, no-obligation quotes and are more than happy to discuss your needs.
Professional builder with 20 yrs experience. Simple repairs to total refurbs & extensions to high standard. Experienced with council planning, architects & engineers & employ an excellent team always ensuring that our customers are happy with our work.
Professional, punctual and perfect !! The work and all aspects of dealing with Jonathan were totally satisfactory. This was Jonathan's first work for me - I will definitely be a return customer. PJ Morrison, SW6
Hi this is A.S. Harrison and my name is Craig Harrison. We are an electrical and mechanical business in the heart of Essex. We serve Essex and London, but are always happy to travel further afield for bigger projects. Customer satisfaction has always been at the heart of everything within our organisation. With nearly 20 years experience we are more than capable, and willing to meet all your needs. I come from a commercial background, I’m bringing all the skills & knowledge I have gained to the domestic world. I trained as an apprentice many years ago! I have all the accreditations including NICEIC, level 2 and 3 electrical, test and inspect and i am JIB approved. We use only the best tools & materials in the Industry. We Employ the most qualified, experienced Electricians, who’s attention to detail is of paramount importance to me. We are always on hand to help & offer advice. As a team we run the project for you in the background. Taking the stress out of the job at hand is why so many of our clients return again and again. There is no lack of contact or waiting to be phoned back with us we can assure you of that. We have an enviable track record at delivering a friendly, professional and first class service. Give us a try and see for yourself. Please do take a look at our website for a more in-depth look at what we offer. We look forward to seeing you soon. Thanks in advance from all of us at A.S. Harrison.
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