Hertfordshire’s sash window specialists

Upgrade your Hertfordshire residence with our superior sash windows. Call 020 8017 1632.

Our bespoke windows are designed to seamlessly integrate with your property’s architecture while enhancing energy efficiency. As Hertfordshire’s sash window specialists, our experts at The London Sash Window Company provide excellent design and replacement services to suit and complement your home. We value historical properties, and will do our utmost to preserve the integrity of your sash windows. To elevate your home in Hertfordshire with our custom sash windows, contact us at 020 8017 1632.

Get your complimentary survey

Let us evaluate your current windows and propose tailored solutions for your Hertfordshire home. To book your free survey, call 020 8017 1632, or email office@londonsash.com or complete our contact form for a response from us.

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Revolutionary double glazing for sash windows

We offer innovative double-glazing solutions that preserve the character of your sash windows while enhancing their performance. Our advanced technology provides an impressive five-fold increase in thermal insulation, ensuring your Hertfordshire home remains comfortable year-round while reducing energy consumption. In addition to superior temperature control, our double glazing significantly reduces external noise penetration, creating a tranquil indoor environment.

Uncompromising quality for Hertfordshire homes

Our installation process begins with meticulous measurements followed by material selection to ensure each sash window perfectly complements your home’s unique architecture. As a FENSA-certified company, we guarantee that all installations adhere to the highest industry standards and building regulations. By choosing our professional installation services, you’re guaranteeing that your sash windows not only look stunning but also function flawlessly.

Flexible solutions for every home and preference

We offer a range of replacement services designed to cater to diverse requirements and budgets. For those seeking a complete renewal, our full replacement service provides brand-new, high-performance sash windows that can transform the entire look and feel of your home. If your existing window frames are structurally sound but the sashes need upgrading, our partial replacement service focuses on enhancing the operational components. Both our full and partial replacement services aim to enhance your home’s aesthetic appeal, energy performance, and overall comfort.

Connect with us today: Rejuvenate your home

The London Sash Window Company is your trusted partner in sash window enhancement. Call us on 020 8017 1632 or email us at office@londonsash.com for sash windows in Hertfordshire. Take a look at our brochure for more inspiration.

Sash window restoration specialists

Our restoration services extend far beyond basic repairs. We refurbish existing windows, replace worn or damaged parts, and adjust to ensure smooth operation. To further enhance your comfort, we provide cutting-edge draught-proofing and soundproofing services, significantly boosting the performance of your Hertfordshire home’s sash windows. Experience the perfect balance of historical charm and modern functionality with our restoration expertise.

Unmatched excellence in sash windows

When you select The London Sash Window Company for your Hertfordshire home, you’re guaranteed timely completion and precise budget management. Here’s what makes us stand out:

  • Certified team

    Certified professionals

    Our team has a wide range of certifications, including SMSTS, SSSTS, PASMA, and FENSA. We pay particular attention to Part L (conservation of fuel and power) and Part N (glazing safety), guaranteeing that your sash windows are not just aesthetically pleasing, but also energy-efficient and secure.

  • Comprehensive coverage icon

    Prioritising safety

    We prioritise the well-being and protection of all project stakeholders. Our meticulous Risk Assessment Method Statement (RAMS) leaves no potential hazard unaddressed. Furthermore, our extensive £10 million public liability insurance provides comprehensive coverage for everyone.

  • Listed building expertise

    Expertise in listed building conservation

    With over 18 years of specialised experience in listed properties, we excel at enhancing your building’s functionality while carefully preserving its historical significance.

Expanding our reach

We’re committed to making our superior sash window services accessible to a wide range of clients. Wondering if we cover your location past Hertfordshire? Here’s all the areas we cover:

Reach out today

Start your journey of getting sash windows with a free complimentary survey. Call us at 020 8017 1632, or email office@londonsash.com to get started.