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  • Home
  • Sealed Unit Replacement
  • Window And Door Hardware
  • Pet Flaps
  • Composite Doors
  • Sealed units-explained
  • Gallery
  • Reviews
  • Blog
  • Privacy Policy

Pet Flap Installation in Glass & uPVC Panels

A cat flap installed in a glass door with a sunny backyard outside.

Professional Cat & Dog Flap Installation in Witney, Carterton & Across Oxfordshire

At Crescent Glazing, we specialise in professional pet flap installation into double glazed units, doors, windows, and uPVC door panels. Whether you need a cat flap for your home or a large dog flap for easy access, we provide a clean, secure, and fully sealed installation that maintains the integrity and insulation of your glazing.
We proudly serve Witney, Carterton, Eynsham, and all surrounding towns and villages across Oxfordshire.

Expert Pet Flap Installation for Glass & Doors

Installing a pet flap into glass isn’t as simple as cutting a hole. Double glazed units must be professionally manufactured with a pre-cut aperture to ensure:


• No damage to the glass
• Maintained insulation and energy efficiency
• No risk of condensation or failure
• A safe and secure finish


We take care of the entire process:


1. Measure your existing glass or panel
2. Order a bespoke double glazed unit or panel with pre-cut hole
3. Professionally install your chosen pet flap

Types of Pet Flaps We Install

Cat Flap Installation

• Standard manual cat flaps
• Lockable 2-way and 4-way entry systems
• Microchip cat flaps for added security

Dog Flap Installation

• Medium and large dog flaps
• Durable, heavy-duty designs
• Weatherproof and secure installations

Standard vs Microchip Pet Flaps

Standard Pet Flaps

• Simple and cost-effective
• Suitable for most homes
• Manual locking options

Microchip Pet Flaps

• Reads your pet’s microchip
• Prevents unwanted animals entering
• Ideal for security-conscious homeowners
• Popular brands include SureFlap-style systems

Installation Options

We install pet flaps into:

Double Glazed Doors & Windows

• Safe replacement of glass with a new sealed unit
• Maintains thermal efficiency
• Perfect for patio doors, French doors, and windows

uPVC Door Panels

• Full panel replacement with pre-cut opening
• Ideal for solid lower panels
• Clean and cost-effective solution

Composite Doors (where possible)

• Panel-based installations depending on door design

Why Choose Crescent Glazing?

• Local, trusted glazing specialist
• Precision-measured installations
• Fully sealed and energy-efficient finish
• High-quality materials and workmanship
• Friendly, reliable service


We ensure your installation looks neat, works perfectly, and lasts for years.

Areas We Cover

We provide pet flap installation services across:


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


And all surrounding Oxfordshire villages

Benefits of Professional Pet Flap Installation

• No DIY risk or damage
• Maintains your window or door warranty
• Prevents draughts and heat loss
• Secure fitting for peace of mind
• Tailored to your exact door or window

Get a Free Quote Today

Looking for pet flap installation near Witney or Carterton?
Need a cat flap fitted into glass or a dog flap installed into a uPVC door panel?
Contact Crescent Glazing today for a free, no-obligation quote.

Get A Quote

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