Thermalseal UK Ltd
Harlow
Checkatrade member since November 2024
Services
- Aluminium Doors Repair
- Aluminium Windows Repair
- Bay Windows Repair
- Bifold Doors Repair
- Double Glazing Repair
- Draught Proofing
- Exterior Doors Repair
- French Doors Repair
- Patio Doors Repair
- UPVC Doors Repair
- UPVC Repairs
- UPVC Windows Repair
- Composite Front Doors Repair
- Misted Double Glazing
- Glass Replacement
- Frosted Windows
- Double Glazing Installation
Customer Reviews
Write a review9.89 /10
Based on 69 reviews over the past 12 months
Quality of work
9.88
Reliability
9.88
Communication
9.96
What customers are saying
AI-generated from customer reviews over last 24 months
Customers consistently describe this tradesperson as professional, efficient, and an excellent communicator, often responding and completing jobs quickly. They are highly recommended for high-quality repairs on a variety of windows and doors, with many praising their skill and reliability.
Was this helpful?
Checkatrade is not responsible for the summary or the opinions in it. For more information, please read the reviews themselves and learn more in our reviews policy.
Reviews (69)
- DDavid S
10 Repairing old patio door
Posted 2 days ago
They were prompt, reasonably priced, fixed the door and nice fellas. Highly recommend and would definitely use them again.Verified reviewerJob location: N8 10 Reliable Workers
Posted 5 days ago
Very helpful company, arrived promptly, assessed work and came back with parts needed, carried out work to a high standard, clean and tidy. Would definitely use them againVerified reviewerJob location: BH239.67 Helpful and efficient
Posted 12 August
Helpful and efficient. Task completed within a few days. RecommendedVerified reviewerJob location: EN110 Bi Fold replacement
Posted 31 July
Had new Bi Fold windows replaced today by Zak and his team. Professional from start to finish, no mess and very helpful. Thank you Therma Seal.Verified reviewerJob location: SS510 Efficient, Reliable and Get its done.
Posted 28 July
Brilliant service! Zak contacted me quickly and got me booked in straight away. I wasn't at home, as I had to work, but my mum and dad were here. He was brilliant, got my door repaired. He was so great that my mum and dad have got him and his team coming to their house for repairs, also! Thank you.Verified reviewerJob location: CM249 Good work man ship
Posted 28 July
good work prompt and compatative price.Verified reviewerJob location: IG8
Photos
Company Info
Owner
Mr Zak De Souza
Ltd Company
1 years on Checkatrade
VAT Registered
No
Covering London, Essex, Dorset & Hampshire
The Affordable Answer to Window Repairs.
Thermalseal UK Ltd is a Multi based family run Glazing Company focusing on improving underperforming windows & doors by Improving their efficiency.
We specialize in Draught detecting and providing the most effective solution to maximize the windows thermal potential.
Therefore, excluding draughts & Improving efficiency
We specialize in:
- Draught detection / Thermal imaging
- Broken/Misted failed sealed glass panes
- Seal & Gasket Replacement
- Hinges, Handles & locks
- Bypassing Locked windows (Broken)
Serving Essex, London, Dorset and Hampshire plus all Surrounding areas. Our team has over 30 years of experience. Please do not hesitate to contact us for advice or for a no obligation quotation.
This trade passed up to 12 Checkatrade vetting checks
Member since 2024
Individual checks
Identification
Proof of address
Financial
Qualifications and accreditations
County court judgement
Open source media
Business checks
Customer Reviews
Company trading history
Company duplication
County court judgement
Enhanced business check
Director checks