IMAISA

High Quality Windows and Doors in London

Enhance your home with IMAISA’s high-quality windows and doors, crafted to deliver exceptional style, outstanding energy efficiency, and long-lasting security. Proudly serving Hertfordshire and nearby areas with over 20 years of proven expertise.

OUR SERVICES FAQ

OUR SERVICES

High Quality Glazing Services

Windows

Premium bespoke doors and elegant porches that enhance home security, insulation and style.

Doors

Energy-efficient windows and elegant porches designed to boost comfort, brightness and value.

Roof Lanterns

Modern roof lanterns and skylights that brighten your space with natural light and style.

Commercial Glazing

Specialist commercial glazing with custom screens, balustrades, partitions and safety glass.

WHY CHOOSE US

Exceptional Customer Support

Our team is dedicated to your satisfaction, providing fast, reliable, and friendly support whenever you need it.

Expert Team

Our knowledgeable professionals ensure every project is smooth, stress-free, and delivered to the highest standard.

Clear & Transparent Pricing

We provide premium glazing solutions at fair, upfront prices—no surprises, no hidden fees.

We Turn Your Window and Door Plans Into Stunning, Energy‑Smart Installations

FAQ

Do you repair double-glazed windows that are foggy or broken?

Yes, we specialise in repairing foggy, cracked or damaged double-glazed units. Our team can replace glass or seals efficiently to restore insulation and appearance.

Can you install new windows and doors to improve energy efficiency?

Absolutely. We install high-quality double-glazed windows and insulated doors that reduce heat loss, lower bills, and meet UK energy-efficiency standards.

Do you provide commercial glazing solutions for offices or shops?

Yes, we offer commercial glazing including partitions, shop fronts, balustrades, and safety glass, tailored to your space and style requirements.

How long does it take to replace a double-glazed unit?

Typically, a single double-glazed unit can be replaced within a few hours, depending on size and type. Our team ensures a quick and clean installation.

Do you offer warranties on glass repairs and installations?

Yes, all repairs and installations come with a warranty covering workmanship and materials, giving you peace of mind for years to come.

Reliable Experts in Windows, Doors & Commercial Glazing

We provide high-quality installation and repair services for double-glazed windows, doors, roof lanterns, and commercial glass solutions in London.

What We Do

Installation, repair, and maintenance of energy-efficient double-glazed windows, stylish doors, roof lanterns, and bespoke commercial glazing solutions.

How We Work

Our skilled team conducts surveys, provides expert advice, and ensures precise installation or repair with minimal disruption to your home or business.

Our Mission

To deliver professional, reliable, and durable glazing and door solutions that enhance comfort, security, and aesthetic appeal for every client in London.

See some of our customer reviews

Fantastic service from start to finish. We had our old windows replaced with new double-glazed ones and the difference in warmth and noise reduction is incredible. The team arrived on time and worked professionally. Highly recommended.

HARRY BROWN

We ordered a custom front door and the quality is brilliant. The fitting team were friendly, tidy and explained everything clearly. The house feels much more secure now. Will definitely use them again.

ROSS WILLEY

I needed a roof lantern installed for my kitchen extension and these guys did an excellent job. Clean lines, great finish, no leaks, and the natural light is unbelievable. Worth every penny.

MONICA WOOD

Our shopfront glazing cracked after a break-in. They came the same day, secured the area and replaced the glass quickly. Very reliable and polite service – exactly what you want in an emergency.

THOMAS WATSON

Brilliant workmanship. They repaired a misted double-glazed window in our bedroom and saved us from replacing the whole unit. Honest pricing and no upselling. Refreshing to see!

HARRY BROWN

We had glass balustrades installed on our staircase and the final look is stunning. Super modern and very safe. The installers clearly knew what they were doing and worked with great attention to detail.

ROSS WILLEY

Needed commercial glazing for our office partitioning. They measured, supplied, and fitted everything perfectly. Fast turnaround, great communication, and very reasonable pricing. Couldn't ask for more.

MONICA WOOD