Window & Door Glass Replacement & Sealed Unit Replacement

At Crescent Glazing, we specialise in high-quality window and door glass replacement, including sealed unit replacement for double and triple glazing. Whether your glass is cracked, misted, blown, or damaged, we provide a fast, reliable, and cost-effective solution—without the need to replace the entire window or door.
Our expert service helps restore the clarity, insulation, and security of your glazing, saving you money compared to full frame replacement.

A sealed unit (also known as a double glazed unit) consists of two or more panes of glass separated by a spacer bar and sealed to create an insulating barrier. Over time, these units can fail, leading to condensation between the panes—commonly known as a blown window.

• Condensation or misting inside the glass
• Cracked or smashed window or door glass
• Draughts or reduced insulation
• Water ingress between panes
• Cloudy or discoloured glass
• Loss of energy efficiency

If you notice any of these issues, our team can quickly assess and replace your glass with a brand-new sealed unit.

We provide a full range of window and door glass replacement services, including:

• Double glazed unit replacement
• Triple glazed unit replacement
• Broken or smashed glass repair
• Misted or blown unit replacement
• Toughened safety glass installation
• Laminated security glass replacement
• Frosted and obscure glass options
• Custom-sized sealed units

All replacement units are made to measure to ensure a perfect fit and long-lasting performance.

Replacing your glass instead of the whole frame offers multiple advantages:

• Cost-effective solution – no need for full window replacement
• Improved energy efficiency – reduce heat loss and energy bills
• Enhanced appearance – clear, fresh-looking windows
• Better insulation – keep your home warmer in winter
• Increased property value
• Environmentally friendly – less waste than full replacements

• Experienced glazing specialists
• Fast turnaround times
• Competitive pricing
• High-quality materials
• Friendly, reliable service
• Fully tailored solutions

We take pride in delivering a professional finish on every job, no matter the size.

We provide window and door glass replacement services across Oxfordshire, including:

• Witney
• Carterton
• Eynsham
• Bampton
• Burford
• Woodstock
• Kidlington
• Oxford
• Chipping Norton
• Faringdon

And all surrounding towns and villages
If you're unsure whether we cover your area, just get in touch.

If you need sealed unit replacement or window glass repair, contact Crescent Glazing today for a free, no-obligation quote.
We’re here to help restore your windows and doors quickly, efficiently, and affordably.