Skills
- External Solid Wall Insulation
- Flat Roof Insulation
- Internal Solid Wall Insulation
- Loft Insulation
- Roof Joist Insulation
- Roof Rafter Insulation
- Solid Floor Insulation
- Sound Proofing
Services
Customer Reviews
Write a review9.94 /10
Based on 23 reviews over the past 12 months
Quality of work
9.96
Reliability
9.96
Communication
9.91
What customers are saying
AI-generated from customer reviews over last 24 months
Customers consistently praise this trade for their professionalism, excellent communication, and high-quality insulation work. They are also frequently commended for their reliability, tidiness, and fair, transparent pricing.
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Reviews (145)
9.67 Loft Insulation
Posted 03 June
Loft insulation work completed - very happy with the job.
We booked James, who came yesterday, to top up our virtually non-existent loft insulation. We were very impressed with James who arrived on time and got on with the job straight away. James is a very likeable, hard-working and trustworthy person. He finished the job in a day and we are so happy it is done. We would recommend James wholeheartedly. A great job, thank you James.Verified reviewerJob location: IP410 Suspended Floor Insulation
Posted 29 May
Underfloor insulation- period property
James did a great job insulating the voids between the joists in the downstairs reception of our Victorian home. With 3 layers of; wind proofing membrane, then Rockwool insulation then vapour barrier bottom to top sealed with foil tape. This involved floorboard removal and re-attachment He explained the material options well, provided an itemised quote, committed to dates and performed the works to a high standard, at a reasonable price agreed in advance. We will assess the impact this winter and consider our other room with a similar void under floor. Would recommendVerified reviewerJob location: CO710 Insulation
Posted 08 May
Great company to deal with
Very professional job and a very easy company to deal with. The job was estimated via a video call and photographs, he turned up when expected and did what we agreed for the agreed price and to a very good standard. Kept me very well informed prior to the job, and would not hesitate to use them again.Verified reviewerJob location: CB23RPeter J10 Spray Foam Insulation Removal
Posted 07 May
You Could Not Ask For More
James is a very trustworthy hard worker who managed to clear my loft of the dreaded spray foam, at very short notice. I was unable to be there most of the time but he kept me informed with progress & videos. All this at a reasonable rate what more could you ask I would not hesitate to use him again if the need arises... BoB CJob location: CO1410 Internal Solid Wall Insulation
Posted 26 March
Internal wall insulation
James did a great job installing internal insulation on solid masonry walls in our master bedroom. I was really impressed and grateful for his ability to adapt to our circumstances (a particularly cold corner, a socket that couldn't be extended) and consistent communicate of any necessary adjustments and considerations. He gave us lots of options and answered all our questions. He's a lovely chap and dedicated to delivering a high level of service at a fair rate; we will certainly be using his services again in the future.Job location: CB2110 Loft Insulation
Posted 24 March
Reliable and courteous
James arrived well on time both days, was cheerful, courteous and very easy to get on with. He gave me options on certain aspects of the work and answered all my questions as to what would be best for this particular job, which he did carefully and thoroughly. He explained what had been done. He also brought down everything stored in the loft - a great deal more than I expected - and took the heavier items out to my garage. The job came in below his original quote, so he gave me a discount. I'd recommend him to anyone wanting work done on their loft.Verified reviewerJob location: CM8
Photos
Company Info
Owner
Mr. James Timbrell
Sole Trader
4 years on Checkatrade
VAT Registered
No
JT Insulations – Professional Insulation Specialists
At JT Insulations we specialise in high-quality insulation solutions designed to improve energy efficiency, comfort and sound reduction within your property. We take pride in delivering reliable workmanship, honest advice and a clean, professional service from start to finish.
Our services include a wide range of insulation and internal works, tailored to both modern and older properties.
Our services include:
• Loft insulation
• Loft hatches and ladder installations
• Internal insulation works and soundproofing
• Pipework insulation
• Spray foam insulation removal
We also specialise in heritage insulation methods, using breathable materials such as woodfibre and hemp insulation. These materials are ideal for older properties that require sympathetic, moisture-safe solutions that allow buildings to breathe while improving thermal performance.
Customer satisfaction is at the heart of everything we do, and we work closely with each client to ensure the right solution for their home.
This trade passed up to 12 Checkatrade vetting checks
Member since May 2022
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