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Free, no-obligation design consultation on every project
Beri Nyuy Group Limited

Windows

Double Glazing

Two panes of glass for a warmer, quieter home and lower energy bills.

Introduction

Why choose our double glazing?

Our double-glazed units use low-emissivity coatings, argon gas and warm-edge spacers to deliver outstanding thermal performance at a sensible price.

Available materials

uPVCAluminiumEngineered timber

Warmer rooms

Reduces heat loss through glass.

Lower bills

Less energy needed to heat your home.

Quieter

Noticeably reduces outside noise.

Less condensation

Warmer inner pane reduces misting.

Available styles

Find your style

  • Clear
  • Obscure
  • Acoustic
  • Self-cleaning
  • Solar control

Available colours

Colours & finishes

Selected colour

Pure White

Two-colour / dual shades

Single colours

Try both colours in the visualiser

Technical

Product specifications

Typical specifications. Your surveyor will confirm the exact figures for your home.

Unit thickness
28 mm
Centre-pane U-value
1.1 W/m²K
Gas fill
Argon
Spacer
Warm edge
Guarantee
10 years (demo — confirm terms)

Installation

How we install

  1. 1

    Free home survey and precise laser measurement by a qualified surveyor.

  2. 2

    Windows manufactured to your exact specification.

  3. 3

    Old frames removed with care; openings prepared and made good.

  4. 4

    New windows fitted, sealed and tested by our own trained installers.

  5. 5

    Full walkthrough, clean-up and removal of all waste.

Maintenance

Caring for your product

  • Wipe frames with warm soapy water every few months; avoid abrasive cleaners.

  • Lightly oil hinges and locking points once a year.

  • Keep drainage slots at the bottom of the frame clear of debris.

  • Check seals annually and contact our support team if you notice draughts.

Read our full care guides →

FAQs

Questions, answered

Customer reviews

What customers say about our windows

“Warmer house overnight”

The survey was thorough, the fitters were tidy and the difference in warmth was noticeable the same evening.

Chidi O. · October 2026

“Good value, good quality”

Competitive quote and no pressure selling. One handle needed adjusting and they came back the next day.

Joseph K. · August 2026

“Sash windows look original”

Our period home has its character back, without the draughts and rattles.

Aisha L. · August 2026

Read all reviews →

Get a quote for double glazing

Book a free, no-obligation design consultation. We’ll measure up, talk through options and give you a clear written quote.