Skills
- Aluminium Doors Repair
- Aluminium Windows Repair
- Bay Windows Repair
- Bifold Doors Repair
- Double Glazing Repair
- Draught Proofing
- Exterior Doors Repair
- French Doors Repair
Services
Customer Reviews
Write a review9.74 /10
Based on 62 reviews over the past 12 months
Quality of work
9.77
Reliability
9.68
Communication
9.76
What customers are saying
AI-generated from customer reviews over last 24 months
Customers consistently praise this trade for their professional service, excellent communication, and high-quality repairs on windows and doors. A small number of reviewers mentioned some issues with delays and communication around scheduling.
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Reviews (113)
10 UPVC Windows Repair
Posted 2 days ago
Replace UPVC window locking mechanism
Quick response and soonest availability. Professional and thorough job. Trustworthy and flexible. Price as quoted.Verified reviewerJob location: NW4RMark T10 UPVC Windows Repair
Posted 4 days ago
Hinges adjusted so window could shut
They were very communicative throughout the whole process and arrived promptly as scheduled to work on the job. The work was completed to a high standard in a timely manner, and the engineers were very helpful and friendly, including future maintenance recommendations.Verified reviewerJob location: E3RJoe S10 Double Glazing Repair
Posted 4 days ago
Call this company first
Great company - clear communication from the moment I called to the job being completed. They resolved an issue with my double glazed door that I didn't think was fixable. They also worked quickly despite it being a difficult and challenging job, and cleaned up neatly afterwards. I would definitely give them a call first for any double glazing issues.Verified reviewerJob location: RM2010 UPVC Doors Repair
Posted 1 week ago
Our front door had dropped over time and needed to be realigned
Zak and his colleague arrived on time and completed a fantastic job. The door now opens and closes without any issues. They were both very polite and cleaned up after they had finished. I would definitely recommend.Verified reviewerJob location: N14RMatthew R10 Aluminium Doors Repair
Posted 26 May
Highly recommend
Thermal seal uk We would highly recommend this firm. Zak responded quickly to our request. His team were professional, punctual and very knowledgeable. We were very impressed all round. Katie - Chelmsford.Job location: CM110 UPVC Doors Repair
Posted 14 May
Insulating a double glazed door
Phenomenal! Professional, respectful and outstanding work. Couldn’t recommend this company anymore. Any issues I have with windows or doors, they are the best of the best.Verified reviewerJob location: SG11RCostas D
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Company Info
Owner
Mr Zak De Souza
Ltd Company
2 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 November 2024
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