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Concept Heating Systems Ltd

Gloucestershire

MCS Certified

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Technologies

Solar PV

Reviews

4.4(64 Google reviews)

What customers say on

5/5

Ally and the team were exceptionally friendly, considerate, helpful and extremely professional throughout the whole process in relation to underfloor insulation installation. Would highly recommend their services, such a pleasure to deal with from start to finish

Gail16 Feb 2026
1/5

Please do not use this company, we rent from the housing association and had a tantalising offer of Q robot technology (basically they spray insulation foam under your floorboards) we accepted. Someone came and took pictures of every single room in the house and said we were a candidate to have it done. Then someone turned up and did very shoddy work putting airbricks in. They put 4 of these in and then planed the bottom every single door in house down as soon as this was done there was (and still is to this day) cold air being circulated from outside around each room of the house. It is significantly colder. We were not informed this would be part of the process (we would not have agreed to it had we known) concept heating told us we can't put draught excluders down and if we replace our doors they have to be planed down or we risk damp /mould issues from the stuff they spray!!! We were reassured it would be warmed once the work was completed. Then when they came to do the work or spraying and they made such a mess. They left rubble under the carpet and underlay and the foam expanded out in places above the floorboard making it uncomfortable and lumpy underneath. I know from word of mouth in our local area we are not the only ones who had the same problems. Response : the picture with orange circles shows the foam that expanded through the floorboards after being evened out just before laminate flooring was put down. I am kicking myself that we did not take pictures beforehand to show where the foam had come through and was uneven on the top in the living room and entrance way. This actual photo my partner took to show me how badly concept had put the floorboards back and not to show where the foam had expanded through. There were actually several places where the foam had expanded through. This company is lying and has the audacity to suggest we are lying!!! From our experience I would not recommend taking advantage of the government grant to have this foam installed. Listen to the 6% of people who are raising genuine complaints!! Also they wrote that a site person will reach out to rectify the shoddy work they did. My review was posted 2 months ago noone has reached out regarding fixing the issues shown in the photos. Also we had also reached out to them privately several times before I wrote that review and was told they would send someone out to sort the issues ... But they never did. Read their response to my review. They even put 'bad experience' in quotation marks. Unprofessional and ungenuine response from a terrible company.

Laura14 Nov 2024
5/5

Engineers the electrician and the builder blended seamlessly into the project to produce a wonderful and professionally finished job. Tracy and Jimmy kept me informed about the stages and coordinated the phases. Thank to all at Concept. 100% workmanship.

Ray Hewitt8 Sep 2025
5/5

Communication was fantastic from the start, Nichola was brilliant at relaying information to us about the whole process. The lads who completed the job were fantastic, polite and super clean and tidy. Any problems that occurred were solved within minutes. 100% impressed with the service and staff.

Ellie19 May 2025
5/5

Mark & Charlie were fantastic. Talked me through everything they were doing. I was very impressed with their workmanship. Clean & tidy

Adele Pagent10 Sep 2025

What customers say on Trustpilot

5/5

Worked with concept providing retrofit…

Worked with concept providing retrofit assessments on a large social housing project recently and can honestly say it was the best experience I’ve had and all credit to the professionalism from everyone at concept it was a pleasure and I look forward to assisting on future projects.

Kevin Rossiter20 Feb 2026
5/5

Everything was done brillant

Everything was done brillant had a lot of problems with the new air source pump and couldn’t fault concept heating they was absoulty brillant especially ally she was amazing and had so much patience and understanding she made the process so much easier for me and kept me updated

Chloe12 Feb 2026
5/5

Work carried out efficiently on the…

Work carried out efficiently on the days and times advised. Everything including the benefits of the upgrades explained well by Nicola who was lovely and polite

Elaine Nicholl28 May 2025
5/5

Very happy with the work carried out by…

Very happy with the work carried out by concept heating for Wdh would highly recommend

Agnieszka23 Apr 2025
5/5

Appreciate

Hi, Ms Tracy and his team they fixed the New Boiler and all the new Rediators at my house. They have a excellent services given us. She is cooperative and very good behavior. I really appreciate to her and her team.

Shahid Sahib3 Mar 2025
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