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Miro gave me a fair price and had a slot so could do the work next day. He did an excellent job and was polite, clean and tidy. Had a short lunch break and was finished mid afternoon. Would recommend.
Richard
Brilliant, very nice man and did a very good job
Liam
GM Plasterers did a very good job for us. Quickly and up to a high standard.
Magda
One of the most cost-effective home improvements that not only adds value but keeps your house cosy in winter, is external wall insulation. We have an abundance of skilled external wall insulation companies on our books. Post your job for free and receive up to three quotes from our external wall insulation specialists.
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External wall insulation installers – Rated People
External wall insulation is a cost-effective home improvement for houses with solid walls.
According to the National Insulation Association, a massive 45% of heat escapes through the walls of houses with uninsulated solid walls. External wall insulation keeps your home warmer, adds value to your house and reduces energy bills, making it a worthwhile investment.
Installation involves applying an insulation material and weatherproof cladding to the exterior walls. The cladding that goes over the top comes in a variety of different finishes, including smooth, textured, tiled, painted or panelled.
This means you can choose a style that complements your house.
Are my walls solid or cavity?
External wall insulation is the best insulation option for older properties with solid walls. Newer properties generally have cavity walls that are best insulated with cavity wall insulation instead. There are a few simple checks you can make to find out which type of wall you have.
Age – properties built before the 1920s usually have solid walls, while properties built after this time have cavity walls.
Brick pattern – if you’re not sure on your property’s wall type, the brick pattern on exterior walls often gives it away. Cavity walls are usually built using bricks of a uniform size, while solid walls have an alternating pattern of full and half-length bricks.
Thickness – cavity walls are thicker than solid walls. To check how thick your walls are, open your front or back door and measure the wall through the door opening. Cavity walls usually measure over 30cm, while anything less is usually a solid wall.
Internal wall insulation versus external wall insulation
Solid walls can either be insulated internally or externally. Budget, severity of heat loss and the condition of your walls will determine whether internal or external insulation is most suitable for your house.
Exterior wall insulation cost is more expensive, but it will improve your home’s appearance and is generally less disruptive to install. Some redecoration will be required after internal insulation has been installed.
If you’re not sure which type of insulation is right for you, external insulation companies will be able to help you decide.

What are the benefits of external wall insulation?
- Reduces heat loss through walls.
- Reduces energy bills.
- Reduces internal condensation.
- Protects walls to improve longevity.
- Improves weatherproofing.
- Improves sound resistance.
- Improves appearance of your home’s exterior (curb appeal).
- Environmentally friendly.
Moisture penetration
While external wall insulation stops moisture penetrating your exterior walls, it can’t prevent moisture entering your wall internally. It does, however, reduce damaging internal condensation by warming the wall. This causes internal moisture to condense closer to the cold external air rather than on the internal surface.
How long will the job take?
On average, it takes 3 to 6 weeks to complete the work depending on the size of the house. It can take longer if your walls need any repair work or if the weather is very bad.
What preparation work will be required?
Before any work starts, your tradesperson will need to prepare the area. Preparation will involve clearing the walls and the surrounding area of any obstructions. Scaffolding will then be erected for the duration of the job.
Satellite dishes, hanging baskets, creeping plants and anything else attached to the walls need to be removed. Check with your tradesperson what preparation work is required and who’ll be carrying it out.
How much does external wall insulation cost?
Exterior wall insulation can cost anything in the region of £8,000 to £22,000. The price of the job depends on the size of your property and the condition of your walls.
In some cases, it may be possible to get a grant to help with the cost of external wall insulation as part of the Energy Company Obligation (ECO) scheme. Speak to your energy company to find out if you are eligible or contact the Energy Saving Trust for more details.
How much money will it save me?
While solid walls are more expensive to insulate than cavity walls, the savings that can be achieved on energy bills with this type of insulation are bigger.
Listed below are the average annual savings on energy bills after the installation of external wall insulation according to the Energy Saving Trust.
| Detached | £425 |
| Semi-detached | £255 |
| Mid-terrace | £160 |
| Bungalow | £175 |
| Flat | £120 |
The qualifications your tradesperson needs
Although there are no formal qualifications required to do the job, there are several courses and certificates available to achieve official recognition. These include a City and Guilds NVQ certificate or diploma in Insulation and Building Treatments, as well as short courses offered by product manufacturers.
Planning permission for external wall insulation
The finish you choose for the rendering will determine if your job requires planning permission. If the finish alters the appearance of the exterior of your house, you’re likely to need planning permission first.
If you live in a listed building or within a conservation area you will need to speak with your local authority. You also need to ensure all work complies with solid wall building regulations.
Insurance for external wall insulators
You should expect all reputable tradespeople to have public liability insurance as standard. This covers any accidental damage that may be caused to your property during the work.
Questions you should ask your external wall insulator
- Do they have any qualifications or certificates?
- Are they a member of the Insulated Render and Cladding Association (INCA)?
- Which decorative finishes do they offer?
- Will they install a vapour barrier to protect from moisture in the wall?
- Will they use full scaffolding?
- How long do they estimate the job will take?
- What preparation work will be required before installation?
- Is the work guaranteed and what are the details of the guarantee?
- Do they have public liability insurance?
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Ernest is a very hardworking tradesman. He replaced locks for us.
Hi, my name is Artur. I'm highly qualified builder with 20 years experience. Provide fast and efficiency service for reasonable price, I specialize in flats and houses refurbishment-interior and exterior
Highly recommend. Extremely thorough, professional and reliable
We are a small company based in Sunderland,we cover all building work including extensions,loft conversions,kitchens,bathrooms and full refurbs
Excellent work from Steve and his team - weather hampered completion, but Steve kept us informed and the team delivered a great job ready for our new gates to be fitted ... the pillars look like the original and have always been there and they made a great job of the other works especially the blending in of the drive cobbles
We are a family run business with over 25 years of experience in the building trade. Specialising in Plastering and Rendering. We are also the go to team for all your media walls. You can also look us up on Facebook and Instagram
Honest, reliable service. Work carried out to the high standard with a Low price tag. Here at cosywarm plumbing and heating we offer over 15 years experience within the industry. we specialise in all plumbing, heating and ventilation requirements. we are credited Baxi And Ideal installers. All landlord and homeowner cp12 and servicing available. Boiler breakdown specialists. We also are bespoke and traditional bathroom and wet room designers and installers. Reliability and customer service is something this company is built around. No job is too small, and we have engineers available 24 hrs a day, 7 days a week. Our rates are a one off and no hidden charges applied at the end. all work is quoted and agreed upon before anything is started. All work is carried out to a very high standard and customer requirements are always considered. Please call on phone number provided for a free no obligation quote.
Very pleased with the driveway and am looking forward to the firm doing a refurb of my bathroom next month
D.J.M Plastering are a professional and reliable plastering service providing first class workmanship throughout the South Yorkshire areas. We believe in providing customers with a quality service at a fair and competitive price.
Did an excellent job and successfully satisfied all of building control’s requirements. All the decorators who came to quote remarked upon what a decent plaster finish had been achieved
My one-stop-shop for all your home and garden needs is based in Wiltshire and surrounding areas. We provide a great service and an all around great experience for all your property needs inside and outside we take care of it all, no obligation quotes. All works carried out are guaranteed. I provide a professional and high standard of work and have been in the trade for over 10 years. We take a great deal of pride in all our work we do. A great deal of our business is through word of mouth, so we know the power of a reputation. I always try to agree a price that makes both the customer and myself happy. It can be tough to get great service for all those odd jobs around the house, you simply don’t have time for, so just contact me for all your property needs. no-obligation quotation and advice given on request. Happy renovations guaranteed.
Very prompt response, great expertise, excellent work all done within the expected timeframe and all well cleaned up on completion.
Welcome to Property Renovation and Decorating Services: " PROFESSIONAL SERVICE " We are professionals builders with over 17 years experience on all building works: extension loft conversion refurbishment bathrooms kitchens painting and decorating plastering, wood flooring, carpet fitting, tiling. building works undertaken: General Building, New Builds, full Interior & Exterior, renovations and much more. Emy has been providing professional home renovation services for over 17 years. He is praised by the customers for his attention to detail, responsiveness, timeliness and quality work. Call (text) for a free consultation and estimate:
Bristol House Extensions is a family owned business. Our workforce is fully qualified and experienced at working in domestic and commercial properties and carries out work for our customer, customer satisfaction is our main priority.
Really helpful people to deal with.
J.S.B.D. specializes in building refurbishments all aspects of wall and floor tiling. We specialize in ceramics ,porcelain, and travertine. Bathrooms and kitchen refurbishments.Full refit, We offer a design and fit service.
Jim did a great job tiling our kitchen floor with large format tiles. The surface was slightly uneven, and he levelled it out well to a great finish. Very happy with how it all looks.
I'm a fully qualified builder & plasterer working on old and new properties. We specialise in Garage Conversions start to finish. New UPVC Conservatories. Single Extensions. Full Renovations. Building Alterations. All building work. All plastering work. - Artex ceilings covered. Plaster-boarding. Skimming. Patching. Building alterations. - Knock-throughs. Lintel installs. Stud walls. Repointing. Refurbishments. Conservatories. - Start to finish. Extensions. - Start to finish to current building regulations. No job too big or small. Always work in the cleanest safest way possible. Top quality assured. Fully insured/public liability. Free quotes and advice.
I hired Tom trading as Plaster Master to repair bedroom ceiling and board the loft and install loft ladder and replace the loft hatch. He gave an honest estimate for the work and the time line needed to complete the project which he did on time. I won't hesitate to use his services again.He was extremely reliable and professional arrived at the time he said and he tidied up at the end of each day’s work. I thoroughly recommend him! A job extremely well done.Definitely a 5 star review
We are a friendly family run business of 3 generation's We offer a complete building service with all of our trades men in house. we have completed some major restorations such as Vermont hotel 108 bathrooms county hotel full conversion many extensions and house builds also maintenance for landlords and home owners give us a try and hope to see you soon.
Internal skimming Plaster boarding Dry lining External rendering and dashing EWI Over 30 years experience NVQ time served
Lovely job, Mark. I'm really pleased with what has been done. On time, very polite will definitely be using him again. Thank you
we provide reliable solutions to all your plastering and building needs. We are both fully qualified tradesmen, we pride our selfs on an outstanding service to every job we do,with competitive prices.
Fab job done. Whole team very helpful & courteous. Prompt and reliable & kept us informed at every stage. Left everything tidy at end of job. Would definitely recommend & would use this team again.
Local carpenter and general builder, competitive prices, all 5 star reviews and references.
Dan visited and gave me a quote for the job. He then turned up with Tom to help on the day and have to say they did a very tidy job of strimming the grass, raking it up and clearing. Chopped up a dead tree which had fallen onto the land into logs and stacked tidy. They did what I asked them to do and were polite and informative in letting me know when they could next be here. Decent guys!
We are a family run business who pride ourselves on quality workmanship and customer satisfaction, trading for 10 years now. In that time we have completed many projects, large and small, which have included commercial and residential ones.
Very professional. Arrived on time, immediately started putting down floor protection from the front door right the way through to the studio room. Said what time they would be finished and actually finished a little early. Did a good job of cleaning up after. And as for the plastering, it’s some of the best I’ve seen! Absolutely fantastic. I would thoroughly recommend them, and would use them again in a heartbeat!
Here at Weathertite Constructions we cover a wide range of building roofing extensions conversions damp problems drainage with camera inspection, garden design with patios driveways and walls. James has 20 years experience Lee has 35 Gary has 17 we are here to provide a good service information and a very reasonable quote kind regards James
Our Building,Plumbing and Gas Company had grown from strength to strength due to our hard work, our attention to detail, our customer care which in turn has led our customers recommending us to friends and family.
AG Maintenance Services Ltd contacted me promptly. On this occasion they weren’t able to help me as there was a distance issue which,I hasten to add, wasn’t their fault. I still rate this company due to their speedy response in contacting me and recommend them to any future customer closer to their base.
21 years experience in construction.Attention to details from the start of your project right through to the end
Punctual and efficient. Good job done
We have been trading for 18 years and specialize in painting, decorating, building work, full-scale refurbishment, bespoke wardrobes, kitchen installations, and high-end bathroom refurbishments.
fantastic work from very nice professional team - will employ again
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