The quick way to find a local Thermal Insulation specialist in Merthyr Tydfil

MASTER

Thermal Insulation

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We are a period/listed property restoration company. We specialise in traditional materials and methods. Often our work is to Identity and rectify damp issues which arise from the use of modern materials on period properties where breathable materials are imperative for the buildings features and characteristics to function. Once the breathability of the property is compromised damp issues will occur. We offer damp assessments for your property with a full report to guide you in the right direction eradicating current and future damp issues. Our assessments cost: £140 including guidance and a full report which details the source(s) of the damp & mould, how to eradicate the issues. - Lime rendering & plastering with horse hair. - Lime pointing. - Masonry repairs. - Paint removal using the Thermatech hot steam cleaning system. - Brick/stone feature walls. - lime wash - Breathable Painting. - lime plaster/render We often work with conservation officers from the authorities to ensure our works are of the highest standards.

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Reviewed by Alexandra on 10/5/2025

Marcus and his team did a great job for us reseating our period porch stone paving and repointing with lime mortar, including matching a reclaimed stone slab to replace a broken one

Pm builders&landscapers

Thermal Insulation

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Pm building & landscapers ,with 35 years building experience we cover all aspects of building works to be carried out ,extensions ,conversions ,garages ,porches brickwork .stonework ,retainers and much more ,ins work carried out .

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Reviewed by Polly on 30/4/2025

GT Home Improvements

Thermal Insulation

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At GT Home Improvements, we believe your home deserves nothing less than excellence. With over 20 years of hands-on experience in the industry, I’ve worked with some of the UK’s leading national companies, rising through the ranks to management level and overseeing multi-million-pound installations. That journey taught me the value of precision, integrity, and putting the customer first—principles that now define every project we take on. This business is more than just bricks and mortar. It’s a legacy built from passion, professionalism, and a personal milestone—the birth of my daughter—which inspired me to create something lasting and meaningful. GT Home Improvements is a family-run company with a clear mission: to deliver top-tier craftsmanship with a friendly, tailored approach. Whether you're planning a full renovation or a small upgrade, we treat every home like our own. Let’s build something great together.

Newport Building & Home Improvements

Thermal Insulation

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We are a family run business with experience in all aspects of Building, roofing & home improvements. working around Newport and the surrounding area's. We provide a fast and professional service at competitive rates. No job too small, call now for a free quotation, partner to ( shield roofing specialists south wales)

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Reviewed by Jennifer on 22/10/2025

GLG Contractors Building And Plastering

Thermal Insulation

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I am an experienced builder. i have built my business up through a good reputation. I have 21 years of experience within the building trade with qualifications within all aspects of plastering and rendering. I have a small team of skilled tradesmen, including roofers, carpenters, and plumbers, which enables us to take on a wide variety of jobs and complete them to a high standard.

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Reviewed by Ruchard on 17/1/2026

Gavin has been excellent; from the initial quote through to completion, I knew I was dealing with a professional who was capable and took complete pride in his work. He has talked me through every step of the job, shown attention to detail, listened to my suggestions and improved upon them. Gavin and Nathanhave worked tirelessly and finished the job in record time. Their workmanship is first rate and, now they have finished, have left things in a clean and tidy state. I would not hesitate to recommend them.

LMG Home Improvements Ltd

Thermal Insulation

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Welcome to LMG Home Improvements. We are a family run business who insulate and render homes. Working with leading manufacturers, we look to bring you the very best products to improve the warmth, look and value of your home.

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Reviewed by Adam on 22/9/2022

Completed external wall insulation. Did a good job. Had extra works done. There work is very good but 4 stars due to resource issues trying to complete the jobs. Would use them again.

J&R PROPERTY MAINTENANCE

Thermal Insulation

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We are a small run company with high values and dedication to the works required by our clients. Most of our clients have us back for more work, read the reviews for yourself ... 40 + 5 star ratings and members for over 7 years.

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Reviewed by Hilary on 25/2/2026

Wanted a tidy up, skirting, window sills, paint walls a coupe of repairs. Paint is peeling off skirting boards, window sills, patches on walls. Lovely guys, but no prep. I know I said I wanted a freshen up, but didn't expect to have to redo their work. Now site won't let me submit

Cymraeg Construction

Thermal Insulation

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At Cymraeg Construction, building work has been at the heart of our family for generations with skills, knowledge and training passed on from one to another, even in the day to day running of the business we can call upon over 40 years experience from my father who is an integral part of the company and has made us what we are today with a passion for quality that shines through on every job we undertake. Covering all of South Wales, you can be sure to rely on us to undertake any project you may have from conception to completion, we can take care of all aspects of the build including planning and skilled tradesmen in all trades, let us deal with all the complications and timings as we project manage the process to ensure everything is done correctly and to schedule all while keeping you informed every step of the way. Please feel free to contact us for a free no obligation estimate on any work you may have. Cymraeg Construction.

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Reviewed by carole on 22/5/2025

Gareth and his team were amazing and professional throughout. He was very knowledgable regarding the options available to us. All work was completed quickly and efficiently. Gareth kept in contact with us throughout our garage renovation and even kept in touch afterwards to check everything was ok for the fitment of the garage door. I wouldn’t hesitate to recommend Gareth and his team and would definitely use them again for any future building work on my home. Great job completed.

All Install LTD

Thermal Insulation

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All Install LTD is a leading provider of comprehensive plumbing and heating installation services. With over 20 years of invaluable experience in the field, our team is dedicated to delivering top-notch solutions tailored to meet every client's requirements. Our team, currently comprising two skilled professionals, is continuously growing and expanding to better serve our clients. We take pride in offering emergency call-out services, available 24/7, ensuring that your plumbing and heating issues are promptly addressed, day or night. Specializing in bathroom installations, we bring creativity, precision, and functionality to every project we undertake. Our commitment to safety is unwavering, as evidenced by our Gas Safe certification, ensuring that all gas-related work is carried out to the highest standards of safety and compliance. In addition, understand the importance of peace of mind for our clients. That's why we carry public liability insurance of up to 5 million, providing added assurance and protection. Based in Newport, our services extend throughout the surrounding areas, bringing expert plumbing and heating solutions to homes and properties. At All Install LTD, we are dedicated to excellence, reliability, and customer satisfaction, making us your trusted partner for all your plumbing and heating needs.

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Reviewed by Chris on 12/6/2025

Absolutely fantastic service! The technician was incredibly professional from start to finish, and the job on the heating system was done not just well, but truly beyond our expectations. The pricing was very reasonable for the quality of work provided. We highly recommend them for any heating needs!

Consilio construction And Architecture Ltd

Thermal Insulation

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We are well established company with over 20 years of experience. We employ high range of specialist to provide best quality standard. Our goal is to provide the best quality service and 100% clients satisfaction.

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Reviewed by James on 26/11/2021

Excellent work and customer service professional job friendly happy to do a few extra jobs would highly recommend

GMS

Thermal Insulation

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Gareth, the proprietor of GMS is a qualified wood machinist by trade and has over 25 years’ experience working within the construction industry. Gareth first started the business in 2005 with a view to provide clients across North Wales and Cheshire with kitchens. In the last 10 years the business has diversified and now accommodates a scheme of works within construction from kitchens to bathrooms, gardens to bedrooms, fire and flood damaged properties and more. Gareth employs several staff and subcontracts to NICEIC registered Electricians and GAS SAFE registered gas engineers. Therefore, GMS can offer project managing and the client only needs to converse with one trade [GMS] rather than multiple. Thus, taking the stress out of the job.

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Reviewed by Mark on 23/2/2018

Great communication and work carried out to a high standard.

Lea's Electrical Property Maintenance Services

Thermal Insulation

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Qualified electrician and part p compliant and time served chippie. With my business partner being qualified plumber ex gas safe also a time served plaster. With over 60 years experience of the building trade between us. Always happy to survey and assess customers needs before quoting to make sure we and our customers are happy with the work to be done.

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Reviewed by Michael on 29/12/2023

Job done to a good standard. However, still awaiting certificate. Messaged a few times and they said it was in the post but still nothing received.

Davies’s Plastering

Thermal Insulation

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Hi thanks for looking at my profile. My name is Jon, I am time served tradesman NVQ Level 3, I have gained vast experience in17 years that i have been plastering, internal, external, specialist, external rendering systems. I have a very good reputation.

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Reviewed by Nick on 17/6/2023

Jon said he would be on site 0800 Tuesday and that the job would take two days. I wait in for him, he then advises at 08:47 on that he wont be there but promises to be there 0800 Wednesday. Arrives 09:45 Wednesday. I arranged access for him and was at work on Thursday and didn’t realise until he messaged me at 15:24 that he hasn’t turned into work again, can he come back on Saturday. Messages at 05:28 on Saturday saying he can’t come in but can do tomorrow (Sunday). Messed us around. Won’t use again.

Chameleon Refurbs

Thermal Insulation

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Chameleon Refurbs have over 25 years experience in all types of Building Refurbishments so choose Chameleon Refurbs with confidence

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Reviewed by Mary on 13/4/2026

LG Carpentry & Conservatory Specialist Ltd

Thermal Insulation

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With over 20 years combined in the building trade and serving the whole of the UK, we are a family run business that offers all types of general building maintenance. We are specialists in all types of conservatory roof replacements, repairs, leaks, cleaning and insulation keeping your conservatory warm in the winter and cool in the summer, saving huge amounts on energy/heating costs. We also offer loft insulation and boarding

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Reviewed by Stephen on 24/6/2025

LR great company to work with, excellent service from start to finish, Lee and his sons did a excellent job at a competitive price, would have no problem recommending them to anyone.