London Dog Flaps

Specialist dog flap fitters offering same day service

Our fitters are experienced, fully qualified local to London and well established glaziers and dog flap fitters. We fit dog flaps for a fixed price, following a free survey and estimate and all our work is fully guaranteed.

Fitting a dog flap can often require special equipment and a great deal of expertise. That’s why we recommend our reliable and professional glaziers/fitters for your dog flap fitting in London, All dog flaps fitted into glass will be industry standards and toughened safety glass at the very least.

We specialise in pet flaps - dog and cat flap installation across London. We can complete the installation at a time to suit you with a minimum of fuss and no call out fees.

Can you fit a dog flap in double glazing in London?
Yes, we specialise in the installation of cat and dog flaps in double glazing, ensuring they are correctly sealed to prevent any future condensation problems, there are however some restrictions on the type of dog flap you can use, please telephone for further details on 0208 098 2021

Questions & Answers

Does a dog flap affect home insurance?
For example, installing a cat or dog flap for your four-legged friend may deem your back door as less secure; if you fail to mention this change to your insurer this could then invalidate your insurance policy.

Is it worth getting a dog flap?
This is particularly useful if you work long hours. Keeps your dog stimulated – Having a dog flap can combat boredom for many dogs. They'll also get stimulation from the sights, sounds and smells of being outside.

Are dog flaps a security risk?
In most cases, no. Most dog doors aren't typically prime targets for burglars, especially since most pet doors are not big enough for a person to squeeze through. Many pet doors are also low enough to the ground that many adults cannot reach up to undo your door's lock from the outside

Can you put a dog flap in a glass door in the UK?
So, the only way to install a new cat or dog flap is to replace the glass panel with a new one. In your new panel of glass, the hole for the pet door is cut before the tempering process, allowing it to fit the specs we need while being as safe as any other glass door you may buy off the shelf.

Can you put a dog flap in a uPVC door?
Available in a range of sizes and colours, our pets doors are suitable for all door types, including glass, wood, composite, uPVC and metal.

What is the disadvantage of a doggie door?
Doggie doors are exit points for small children: Older toddlers can, all too easily, mimic the way your dog gets in and out of them and, if left unsupervised, escape just as easily into the backyard with potentially dangerous consequences.

How do I choose a dog flap?
1: WIDTH. Measure the widest part of your pet, the chest or hips.
2: HEIGHT. Measure your pet from the top of the shoulders to the bottom of the chest or belly, whichever is the tallest part.
3: SELECT SIZE.
IMPORTANT: Remember to allow for your pet's future growth.
*The flap opening sizes listed represent the smallest.

Are dog flaps draughty?
Regular pet doors can be drafty and let in a lot of cold air from the outside, with an electronic door this issue is eliminated as the flap can only open when needed. This make a huge difference if you want to be energy efficient.

Is it safe to have a doggie door?
Potential burglars can use dog doors as an easy access point into your home. However, dog doors are generally small, and it is quite difficult for an adult to squeeze through, but not impossible. Intruders are more likely to peek their heads through the door to get a clear view inside.

Can you lock a dog flap?
Yes, you can manually lock the doggie door. Each door has a manual mechanism that overrides the automatic one. That way, you retain full control over when your dog can come and go. Manual locking is ideal for when you're away from home and don't want to leave the door open for visitors.

We fit pet flaps into:

UPVC door panels
Porches
Sliding patio doors
Glass doors
Conservatories
Cat Flaps into double glazing
Wooden doors
Windows
Composite doors
Double/single glazed units
Aluminium and metal skinned doors
French doors

Cat Flaps in Wooden Doors - Cat Flaps in UPVc Panels - Cat Flaps in Glass & Double Glazing - Dog Flaps

Do you have questions ?

Do you have questions ?

Do you have questions that need an answer or require more information on our cat flap /dog flap fitting services that we offer?

We fit into cat flaps/dog flaps into Wood, Glass, Metal & Upvc windows and doors

You may just like to make an appointment for a home visit or then please contact us.

We are always happy to receive your pictures so we can offer an informed price prior to attending your home, so please feel free to use our whats app facility which will be answered if not straigth away normally within the working day.

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Reliable & professional fitters

Reliable & professional fitters

Fitting a cat flap or dog flap requires specialist tools and expertise. All our London cat flap fitters are fully qualified and trained in the latest tools, equipment and installation techniques as part of our comprehensive services.


Get a free quotation immediately over the telephone or via WhatsApp

What information do you need to accurately quote?

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 for the example measure edge of glass from left to right and top to bottom, this should give us enough information to provide you with an accurate price which we will confirm once on site and measure 100%.

Installation process

Frequently asked questions

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).

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.

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.

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!

  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

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.

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.

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.

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. 

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