Business Details
39 Years
experience
Premium Windows & Doors in Essex
Established in 1987, we are a family-run business specialising in high-performance windows and doors for domestic and trade customers across Essex and the South East. With over 38 years of combined industry expertise, we manufacture bespoke products tailored to individual property requirements, budgets, and aesthetic preferences. Our commitment to quality is underscored by a comprehensive 10-year guarantee covering all installations, from casement windows to conservatories. Customer testimonials consistently highlight our first-class service, professional installation teams, and pressure-free approach to sales. Our two showrooms in Wickford and Billericay provide direct access to our full product range, including energy-efficient uPVC options, composite doors, and bi-folding systems.We serve both residential clients seeking property improvements and trade professionals requiring reliable supply solutions. Our operational history, technical knowledge, and local market understanding position us as trusted suppliers in the region. All work is executed to exacting standards, with installations leaving premises clean and undisturbed. We maintain transparent communication channels through dedicated contact numbers and email support.
Services
Casement Windows
Sash Windows
Composite Doors
Flush Windows
Bi-Folding Doors
uPVC Doors
Patio Doors
French Doors
Conservatories
Details
- Year established: 1987
Highlights and features
- 38+ years of window and door manufacturing expertise
- 10-year guarantee on all products and installations
- Family-run business with local market knowledge
- No pressure sales approach maintained
- Showroom demonstrations in Wickford and Billericay
What people say
Excellent service
First-class product
No mess whatever
Very polite
Would recommend
Services
Casement Windows
Our casement windows combine energy efficiency with enhanced security features. Designed to meet modern building regulations while maintaining traditional aesthetics, these windows suit both period properties and contemporary homes. Each unit undergoes rigorous quality checks before installation by our certified technicians.
Sash Windows
Modern sash window solutions offering striking visual appeal with minimal maintenance requirements. Our uPVC sash systems replicate traditional timber designs while providing improved thermal performance and draught-proofing. Ideal for conservation areas requiring heritage compliance.
Composite Doors
High-performance composite doors featuring multi-point locking systems and reinforced frames. Available in various styles and finishes, these doors provide enhanced security without compromising aesthetic appeal. Each installation includes weatherproof sealing and threshold adjustments.
Bi-Folding Doors
Contemporary bi-folding door systems that maximise natural light and create seamless indoor-outdoor transitions. Custom-manufactured to precise dimensions with thermally efficient profiles and multi-chambered construction for superior insulation properties.
Conservatories
Tailored conservatory solutions ranging from classic Victorian designs to modern orangery styles. Constructed using thermally efficient materials with optional underfloor heating integration and smart ventilation systems for year-round comfort.
Questions
Do you offer guarantees on window installations?
All our products and installations come with a comprehensive 10-year guarantee covering materials and workmanship.
Are your windows energy efficient?
Our full range meets current energy efficiency standards, featuring A-rated uPVC profiles and low-emissivity glass options.
Do you serve areas outside Essex?
While primarily operating in Essex, we undertake projects in London and surrounding counties. Contact us for specific location inquiries.
Can I see products in person?
Visit our showrooms in Wickford and Billericay to view full product ranges with expert guidance from our staff.
What styles of doors do you supply?
We offer composite doors, uPVC doors, French doors, patio doors, and bi-folding door systems in various designs and finishes.
How long does installation take?
Most window and door installations complete within one working day, with conservatories typically taking 2-3 days depending on size.
Reviews (2)
Kerry Smith
Sep 29, 2021
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I just wanted to say how incredibly impressed I am. The door handle had broken on our bifold door and we were unable to lock it, my husband called this morning and by this afternoon someone has been out and fitted a new one!! Thanks great service
Susan Armstrong
Jul 24, 2021
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It was about 5 years ago now that Thermaseal replaced all our aluminium windows and doors with white upvc windows and doors. I heartily recommend their products - they are of very high quality and look as if they were fitted yesterday. Their fitters are very experienced and friendly and professional. I am pleased to recommend a local business.… Their shop has been in Billericay High Street for many years and their main office in Wickford carries a great selection of doors too. I think they are priced very fairly too. We got several quotes to compare.
