Vertical Sliding Sash windows in York

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Sliding Sash Windows

Traditional Style. Modern Performance.

Sliding sash windows bring together the timeless elegance of classic vertical sliders with the security, energy efficiency, and low maintenance of modern materials. Ideal for period homes, cottages, townhouses, and even newer properties wanting a heritage look, sliding sash windows offer authentic styling without the problems often associated with old timber frames.

At DGMS, we supply and install high-quality sliding sash windows throughout York & surrounding areas. The windows are designed to enhance the character of your home while improving comfort, thermal performance, and ease of use.

Why Choose Sliding Sash Windows?

Sliding sash windows remain one of the most popular window styles for homeowners who want traditional appearance with modern-day benefits. Their elegant proportions, balanced sightlines, and smooth vertical opening make them a practical and attractive choice.

Our sliding sash windows are designed to offer:

  • Classic heritage appearance
  • Smooth vertical sliding operation
  • Excellent thermal efficiency
  • Enhanced home security
  • Low maintenance compared with traditional timber
  • A wide choice of colours, finishes, and hardware options

A Traditional Look Without the Maintenance

Traditional sash windows are well known for their visual appeal, but older timber frames can often become draughty, stiff to operate, and expensive to maintain. Modern sliding sash windows are designed to replicate the appearance of traditional sash windows while removing many of the common drawbacks.

You can enjoy the authentic look of sash horns, decorative detailing, and classic proportions, while benefiting from durable materials that do not require the same ongoing upkeep as older timber alternatives.

Features and Benefits

Smooth Operation

Our sliding sash windows are engineered for easy opening and closing, allowing both practicality and elegance in everyday use.

Energy Efficient

Modern glazing and insulated frames help reduce heat loss, improve comfort, and support lower energy bills.

Secure by Design

Security is a major priority, and our sliding sash windows are fitted with modern locking systems to help protect your home.

Low Maintenance

Unlike traditional timber windows, modern sliding sash windows are designed to be easy to look after and keep looking their best with minimal effort.

Ventilation Control

The sliding design allows you to manage airflow effectively, helping to keep rooms comfortable throughout the year.

Perfect for Period and Modern Homes

Sliding sash windows are particularly well suited to:

  • Period properties
  • Georgian, Victorian, and Edwardian homes
  • Conservation-style projects
  • Cottages and character homes
  • Newer homes wanting a classic appearance

Whether you are replacing old sash windows or looking to add traditional style to a newer property, sliding sash windows are a versatile and elegant solution.

Colour and Hardware Options

Every home is different, which is why sliding sash windows are available in a range of finishes and hardware choices to suit your property style.

Options may include:

  • Classic white finishes
  • Woodgrain effect finishes
  • Heritage-inspired colours
  • Traditional and contemporary hardware
  • Decorative sash detailing
  • Optional glazing bar designs

This allows you to create a look that complements both the architecture of your home and your personal taste.

Glazing Options

The right glazing can make a big difference to comfort, efficiency, and appearance. Sliding sash windows can often be tailored with glazing options to suit your needs, whether your priority is thermal efficiency, privacy, or style.

Depending on your requirements, options may include:

  • Energy-efficient double glazing
  • Obscure glass for privacy
  • Decorative glazing features
  • Acoustic glass options for noise reduction

Why Homeowners Choose DGMS

At DGMS, we understand that new windows are an investment in both the appearance and performance of your home. We focus on providing quality products, professional installation, and friendly service from initial enquiry through to completion.

When you choose DGMS, you can expect:

  • Quality sliding sash window options
  • Expert guidance and honest advice
  • Professional installation
  • Attention to detail throughout
  • A commitment to customer satisfaction

Get a Quote for Sliding Sash Windows

If you are considering sliding sash windows for your home, we are here to help. Whether you want to replace existing sash windows or explore options for a new project, our team can guide you through the best styles, finishes, and specifications for your property.

Contact DGMS today to arrange your free quote and find out more about our sliding sash window options

  • Seamless flush finish – sash sits level within the frame for a truly authentic appearance.
  • Choice of woodgrain foils including Rosewood, Anthracite Grey, Turner Oak, and more.
  • Outstanding thermal performance with U-values as low as 0.8 W/m²K (with triple glazing).
  • PAS 24 & Document Q compliant for enhanced home security.
  • Low maintenance – no painting or varnishing required.

Perfect for homeowners seeking the charm of timber with the efficiency and reliability of uPVC


Our Step-by-Step Installation Process

Initial Consultation

We conduct an in-depth consultation to understand your requirements and recommend suitable options for your home.

Custom Design

Our team creates tailored designs for your chosen products, ensuring they match your home’s aesthetics and functional needs.

Professional Installation

Our skilled employees carry out the installation process with precision, ensuring the highest quality and adherence to safety standards.

Final Review

We conduct a thorough review after installation, ensuring your satisfaction and addressing any questions or adjustments needed.

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