Best Window Installers in Leicestershire: Top 3 Trusted Companies for 2025

Upgrading your windows is one of the most valuable improvements you can make to your home, boosting energy efficiency, enhancing kerb appeal, and improving overall comfort. But choosing the right installer is just as important as choosing the right windows. A poor installation can lead to draughts, leaks, and long-term issues. That’s why it pays to go with a trusted local expert.

To help you make a confident decision, we’ve rounded up three of the best window installers in Leicestershire, known for their professionalism, product quality, and excellent service.

What Makes a Great Window Installer?

Before we get into the list, let’s quickly look at what sets the best window companies apart from the rest:

• Accreditations: Look for FENSA or CERTASS registration to ensure your installer meets UK building regulations.
• High-quality products: Top installers work with reputable systems like Liniar, Rehau, or premium aluminium frames.
• Customer reviews: Consistently positive feedback on Google, Trustpilot, or Checkatrade is a strong indicator of reliability.
• Transparent pricing: No hidden costs, just honest, upfront quotes.
• Warranties: A long-term product and installation guarantee gives you peace of mind.

Now, let’s look at the top performers in Leicestershire.

Top 3 Window Installers in Leicestershire

1. Progress Windows – Hinckley

Visit Progress Windows

Progress Windows are a family-run business with over 20 years of experience serving Hinckley, Nuneaton, Leicester, and the wider Midlands area. Known for their exceptional customer service and commitment to quality, they’ve built a strong reputation for delivering high-spec home improvement solutions with a personal touch.

Why Choose Progress Windows?

• Trusted local experts with a wide product range including uPVC windows, doors, conservatories, and roofline products.
• All products are Made in Britain and built to high thermal and security standards.
• FENSA-registered, ensuring installations meet building regulations.
• Showroom in Hinckley with friendly, knowledgeable staff.
• Free online quoting tool and finance options available.

Whether you’re replacing a few windows or investing in a full home makeover, Progress Windows offer outstanding quality and peace of mind.

2. Phoenix Windows – Wigston

Visit Phoenix Windows

With more than 30 years of experience, Phoenix Windows have built a loyal customer base across Leicester and Leicestershire. Their approach is focused on craftsmanship, clear communication, and high-quality products tailored to your home’s style and needs.

Why Choose Phoenix Windows?

• Specialists in double glazing, uPVC windows, sash windows, and energy-efficient upgrades.
• Offer traditional and modern styles suited to both period and contemporary homes.
• Fully insured installations with long-term product guarantees.
• Strong local presence with hundreds of satisfied customers across the region.
• Competitive pricing and a reputation for no-pressure sales.

Phoenix Windows are an excellent choice if you value personal service and a well-established reputation.

3. Crown Window Systems – Leicester

Visit Crown Window Systems

Crown Window Systems focus on the design, supply, and installation of premium uPVC window systems. Based in Leicester, they’re known for sleek, modern installations that suit contemporary homes and custom builds.

Why Choose Crown Window Systems?

• Offer bespoke solutions tailored to your property layout and preferences.
• Supply high-performance glazing, hardware, and custom finishes.
• Suitable for both residential and commercial installations across Leicestershire.
• Trusted by builders, developers, and homeowners alike.

If your project demands a modern finish and high-end performance, Crown Window Systems are the specialists to call.

How to Choose the Right Window Installer in Leicestershire

Not sure which company to go with? Here are some helpful tips to guide your decision:

• Compare quotes from at least two or three local companies to understand pricing and service differences.
• Visit showrooms to see the products in person and speak with installers directly.
• Ask about accreditations, guarantees, and insurance; a reputable installer will always be happy to provide proof.
• Check reviews on Google, Facebook, or Checkatrade to gauge customer satisfaction.
• Don’t just go by price; consider the long-term value, product quality, and service support offered.

Find the Right Installer with the Double Glazing Network

Choosing the right window installer can make all the difference in how your home looks, feels, and performs for years to come. The three companies we’ve highlighted, Progress Windows, Phoenix Windows, and Crown Window Systems, are among the best in Leicestershire for their reliability, quality workmanship, and customer-first approach.

Get a quote for your Leicestershire home today with our handy quote builder.