Newmarket Cat Flap In Double Glazing

Professional Cat Flap & Dog Flap Installation in Double Glazing

Looking to install a cat flap in a double glazed door or window? We are expert cat flap fitters with years of experience fitting cat and dog flaps into glass, including double glazing, single glazed doors, UPVC panels, and more.

As trusted Newmarket Cat & Dog Flap Fitters cat flap installers, we supply and fit new cat flaps and dog flaps in a variety of surfaces, including single glazed doors. Whether you're replacing an existing flap or installing one for the first time, we guarantee a clean, secure, and professional finish.

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FAQs: Cat Flap Installation in a Double Glazed Unit, Window or Door

Question: How long does it take to install a cat flap in a single or double glazed door, and what’s the process?

Answer:

Our cat flap installation process is precise and hassle-free. Here’s what you can expect:

  1. Initial Site Visit & Glass Measurement
    We’ll arrange a visit to your home or property at a convenient time. During the visit, we’ll take exact measurements of your current glass panel and assess any patterned or obscure glass types. If your glass style is discontinued, we’ll suggest a suitable alternative.
  2. Glass Cutting & Cat Flap Preparation
    We custom-cut two new panels of 4mm float glass—either plain or with your chosen pattern. We then cut a hole in both layers to fit the specific cat flap or dog flap model you’ve selected. These glass panels are then sent for toughening to meet safety standards.
  3. Glass Toughening & Turnaround Time
    Your toughened cat flap glass is typically ready for collection within 3–5 working days, depending on the glass supplier’s schedule.
  4. Sealed Double Glazed Unit Creation/Manufactruing 
    Once toughened, the glass is sealed into a double glazed unit with the hole precisely positioned for the flap.
  5. Installation Appointment
    We’ll return at a time that suits you to install the new double glazed unit in place of the old one.
  6. Final Cat Flap Installation
    The cat flap (or dog flap) is securely installed on-site into the pre-prepared glass unit. Your pet can start using it immediately!

Why Choose Us for Cat Flap Installation?

  • Specialists in cat flaps for double glazing
  •  Fast turnaround: 3–5 day glass processing
  •  Supply and fit options available
  •  Trusted across Newmarket Cat & Dog Flap Fitters and surrounding areas
  •  Friendly, qualified installers with years of experience

If you’re searching for “cat flap fitters near me” or need a quote for installing a cat flap in a single glazed or double glazed door, get in touch today.

Question
Can you install the cat flap in my existing double glazed unit?

Answer: No - The glass in the door should already be toughened and you can not cut toughened glass, so we will need to replace the unit (worth hanging on to the double glazed unit we take ut as should you move or need to put this back at a later date will save you some money).

Question
I already have toughened glass in my door can you install the new catflap in that?

Answer: Im afraid not as the glass is already toughened when you try to cut it, the glass breaks in to hundreds and thousands of prices.

Question
Can I buy any cat flap/catflap?

Answer: No - The cat flap/catflap must be glass fitting and circular as it is very expensive to cut a square hole, although not impossible.

Question
Do You supply cat flaps/catflaps?

Answer: Yes - as cat flaps come in different sizes, models, automatic etc is is best to talk to us first in order that you can ask all the questions you require answered on the most popular brands. We offer a selection of cat flaps and pet doors, we highly recommend that you take a brief look at the option prior to making a decision. We have added a link from our site to some of the most popular brands.

Cat Flaps in Wooden Doors - Cat Flaps in UPVc Panels - Dog Flaps

Newmarket Cat flap fitter
Cat flaps fitted into Double glazed Door
Dog flap Fitter
Professional fast Service
Reliable & Trusted Company
Price given over the phone

Cat flaps into a patio door

At cat flaps Newmarket we can supply and fit / install a new cat flap or catflap in your patio door. A cat flap fitted into your double-glazed patio door gives your cat the freedom to come and go whenever it chooses.

It saves you from constantly opening the door, especially during cold or wet weather. When professionally installed into a replacement glass panel, it looks neat and maintains the door’s security. It’s a convenient, practical upgrade for both you and your cat.

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Cat flaps into a patio door
How to train your cat or dog to use their new pet flap

How to train your cat or dog to use their new pet flap

Some cats will approach a cat flap with curiosity, while others may be a bit more wary. Here is five easy steps to help get your cat using its new cat flap.

Cold every time you have to get up and let the cat in or out - woken in the middle of the night - sound familiar, then its possibly time you fitted a cat flap/dog flap!

Click for step by step proven guide

Frequently asked questions

We can only offer our prices whish are below

A half panel door approx 60cm x 60cm would be £245 - £325 + Vat (£290) (clear glass - supplied and fitted subject to view)

A full height door panel approx 190cm x 60cm would be £325- £495 + Vat (£390) (clear glass - supplied and fitted subject to view)

if it has lead on the glass, a coloured glass or geogian bars, there would be an increase in the prices as above, this is why its best to send a picture and we can confirm the cost 100%

We're afraid not as the glass is already toughened when you try to cut it and the glass would break into hundreds of thousands of pieces!

It varies, but usually takes around 1 hour to install a cat flap in wood, UPVC, metal or a composite door, if it is a cat flap in glass or a double glazed unit, the glass will be toughened safety glass and usually take 3-5 working days to remanufacture and about 30 minuites to install again subject to type and style of door or frame.

  1. We would arrange to visit your home or property at a convenient time to get an exact measurement of the current double glazed unit in the door, check what pattern you have and offer a like for like or an alternative if the glass is no longer manufactured.
  2. We would then cut 2 new pieces of 4mm float glass (plain or pattern of your choice) to the exact size as measured, cut a hole in both pieces of glass for the cat flap and then have the glass toughened. (What is toughened glass).
  3. Approximately 2-3 day later the cat flap glass will be ready to collect from the toughening plant.
  4. We will then create a sealed doubel glazed unit which will have the hole perfectly placed for the installation of the cat flap.
  5. We will then arrange a convenient time with you to replace your current double glazed unit with the new cat flap ready double glazed sealed unit.
  6. The cat flap is installed once at the property

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Just be prepared to be a bit more patient with older cats who may not have used a cat flap before. Use a food reward for your cat and try playing in close by so they get used to being nect to it. Leave the flap open so they can see outside as curiosity will entice them closer until they eventually go through it. 

No - The cat flap/catflap must be glass fitting and circular as it is very expensive to cut a square hole, although not impossible.

Yes you can, if it is single or double glazed, then the glass will need to be replaced by an expoerianced glazier or glass company who can offer you a price for the replacement cost.

Cat flaps come with a kit that includes a paper template that guides you exactly where to drill. With the help of markings, drill a hole in to each corner of the template. Once you have done with drilling the holes, you can get the shape of your cat flap accordingly. These are great for wooden, UPVC/plastic and metal doors, but would recommend a professionaal for anything to do with glass.

No - The glass in the door should already be toughened and you can not cut toughened glass, so we will need to replace the unit (worth hanging on to the double glazed unit we take ut as should you move or need to put this back at a later date will save you some money).

Do You Fit Into Cavity Walls.

We DO NOT install through cavity walls; we recommend that you hire a professional builder for this type of installation.

Cat flap installation in a brick wall has many pitfalls; it is messy, expensive and time-consuming. there may be pipes or wires we can not see.

If this is your preferred route or only option you have for your home, we strongly advise you to consult with a qualified builder before considering installing a pet door through a wall, always ensure they have relevant building experience, qualifications, insurance and that they can comply with all building regulations. 

Yes - as cat flaps come in different sizes, models, automatic etc. it is best to talk to us first in order that you can ask all the questions you require answered on the most popular brands. We offer a selection of cat flaps and pet doors, we highly recommend that you take a brief look at the options prior to making a decision. We have added a link from our site to some of the most popular brands.

By providing a photo of the glass we can give you the exact price. If you are unable to provide a photo of the glass, then kindly provide some rough dimensions. Please measure from edge of glass to edge of glass you can see left to right and top to bottom.

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