About Bergmann Windows

Bergmann Windows carries over 2 decades’ experience of manufacturing & installing high-performance Windows, Doors and Conservatories to the highest quality. Based in Covent Garden, London, we are perfectly situated to serve the South East of England.

Bergmann Windows has developed into an industry leading manufacturer of PVC-u and Aluminium windows & doors and Composite doors. We use the most up to date fabricating equipment and techniques, we can offer a wide range of products from Rehau, Cortizo, ALUK, Residence, Solidor & DoorCo.

Our professional approach to the supply of what customers want and when they want it has resulted in rapid growth in an organisation that is one of the most stable and trusted within its market.

Energy-efficient double-glazed window with insulated glass panels designed to reduce heat loss and improve home comfort. Professional double glazing installation for improved home insulation, energy efficiency, and noise reduction.

The perfect home improvement company in the South East

Whether you’re looking for a brand new entrance door to boost your kerb appeal, new windows to keep your home warm or a conservatory to increase your space, we have the ideal home improvement products for you.

Our selection of options is vast, consisting of various systems and materials all suited to specific homeowner tastes and property styles. This is what gives the team here at Bergmann Windows complete confidence that we’ll be able to cater for every need with our solutions, especially when combined with our self-imposed insistence on completing installations promptly and to a high standard.

A pink front door is framed by a white wall and black iron gate. Overhead, a vine with abundant purple wisteria flowers cascades down, creating a floral arch.

FAQs

    • Improved energy efficiency: Keeps heat in during winter and out during summer.

    • Reduced noise: Minimizes external noise intrusion.

    • Increased security: Toughened glass and modern locking systems enhance safety.

    • Condensation control: Helps reduce internal condensation on windows.

    • Added property value: A popular home improvement that boosts resale appeal.

    • Clear access to all windows and doors.

    • Remove window coverings (blinds/curtains).

    • Secure pets and valuables.

    • Discuss parking and power access with installers.

  • Installation time depends on the number of windows and their size.
    Typically, a full house installation takes 1–3 days, while a single window may take 1–2 hours.

  • Our installers aim to minimise disruption. You may need to move furniture or curtains near the windows, but most work is completed quickly and cleanly, often with minimal mess.

  • High-quality double glazing typically lasts 20–35 years, depending on materials, climate, and maintenance.

  • Yes. By improving insulation, double glazing reduces heat loss, which means your heating system works less, typically saving up to 20% on annual energy bills.

  • Signs include:

    • Condensation or fog between panes

    • Draughts or leaks

    • Cracked glass

    • Difficulty opening/closing

    • Noticeable heat loss or rising energy bills

Millie Carter

Bergmann Windows client since September 2025

Raj & Anika Patel

Bergmann Windows clients since September 2025

Imogen Fraser

Bergmann Windows client since October 2025

Paul & Fiona Connolly

Bergmann Windows clients since September 2025

Arjun Mehta

Bergmann Windows client since October 2025

Colin & Nicola Bennett

Bergmann Windows clients since Septmeber 2025

20+ Years of Experience

Two decades of craftsmanship. Endless innovation.

For over 20 years, Bergmann Windows has been at the forefront of British engineering excellence — manufacturing high-performance Windows, Doors, and Conservatories built to last.

🔹 Precision-engineered for strength and style
🔹 Energy-efficient glazing for year-round comfort
🔹 Designed to enhance every home — beautifully

Experience the perfect balance of luxury, performance, and heritage.

Contact us

Interested in working together? Fill out some info and we will be in touch shortly. We can’t wait to hear from you!

 
  • Text reading 'Made in Britain' above an abstract Union Jack flag design.
  • REELU logo featuring a multicolored camera shutter icon and bold text.
  • The Pilkington logo featuring a green circular emblem with a white stylized floral design inside, below which 'PILKINGTON' is written in black uppercase letters.
  • Logo with a stylized letter 'A' and the word 'CORTIZO' beside it.
  • Logo with the word 'Assure' in bold black letters, a stylized checkmark integrated into the 'A', and the word 'Certification' underneath in gray.
  • Yale logo featuring black text "Yale" inside a yellow circle.
  • Logo celebrating 20 years of excellence, with '20' in large white numbers on a red background and 'Years of Excellence' in blue text.
  • Energy efficiency rating chart for Bergmann Windows Systems, showing ratings from A+ to G with corresponding color codes from purple to dark red.
  • A certification label with a pink and purple background, stating 'energy saving trust endorsed product'.