Double Glazing Windows Derby
At D&M Windows and Doors, we offer a comprehensive range of double glazing windows designed to enhance your home. Based in Derby, Derbyshire, we pride ourselves on providing top-quality products and excellent customer service.
Why Choose Double Glazing
Double glazed windows provide better thermal insulation, keeping your home warmer in winter and cooler in summer.
By reducing heat loss, double glazing helps lower your energy bills, saving you money in the long run.
Enjoy a quieter home environment as double glazing reduces outside noise significantly.
The additional layer of glass and improved locking mechanisms make your home more secure.
Double glazed windows minimise condensation, which helps prevent mold growth and damage to window frames.
Double Glazed Patio and French Doors

Patio Doors
Our double glazed patio doors allow natural light to flood your home. They are available in various styles to match your decor.

French Doors
Elegant and functional, our French doors provide a charming transition between your indoor and outdoor spaces. They are perfect for both traditional and contemporary homes.
FAQs About Double Glazing Windows in Derby
A double-glazed window in Derby costs £250–£1,200, depending on size, style, and frame material (uPVC, aluminium, or timber). For example, a standard uPVC casement window is £250–£450, while larger bay windows may exceed £1,000. Installation is typically included. At D&M Windows and Doors, we offer free, tailored quotes to ensure fair pricing. Contact us for an accurate estimate.
Yes, UK schemes like ECO4 (until March 2026) and Home Upgrade Grant (HUG2) (until March 2025) may fund double glazing for eligible low-income or off-gas-grid households. Scotland’s Home Energy Scotland Grant also supports energy-efficient upgrades. However, the grants aren’t specific to windows, and eligibility varies.
Double glazing a 3-bed house in Derby costs £4,000–£7,500, including installation, for 8–12 windows. uPVC casement windows are cheaper (£4,000–£5,000), while aluminium or bay windows may reach £7,000. Get a free quote for a precise cost.
Double pane (double-glazed) windows in Derby average £420 per window, including installation. Costs range from £150 for small uPVC casements to £1,200 for large sash or tilt-and-turn windows. A-rated windows with argon gas save £150–£180 annually. We offer quality windows and professional installation. Contact us for a custom quote.
Yes, double glazing is a worthwhile investment in Derby. It reduces heat loss by up to 50%, saving £150–£180 annually on energy bills. It also improves noise insulation, ideal for homes near busy roads. Modern, top-rated windows enhance property value and comfort. We ensure high-quality installations that maximise long-term savings and durability.
Replacing 20-year-old double glazing in Derby is often worth it. Older windows may have degraded seals, reducing energy efficiency and allowing drafts or condensation. New windows offer superior insulation, saving £100–£150 yearly on bills, and improving security and aesthetics. We provide free assessments to determine if replacement suits your home.
New double-glazed windows for a 4-bed house in Derby cost £5,500–£10,000, including installation, for 10–15 windows. uPVC casements keep costs lower (£5,500–£7,500), while premium aluminium or bay windows may hit £10,000.
Double glazing a house in Derby typically takes 1–3 days, depending on the number of windows and property size. A 3-bed house with 8–12 windows usually requires 1–2 days, with each window taking 2–4 hours. Complex installations (e.g., bay windows) may take longer.