Last updated on March 31st, 2022
Dog flap installation cost guide
If you have a small or medium-sized dog you might be considering installing a dog flap in your home to give them some extra freedom. You don’t want your four-legged friend trapped indoors or outdoors, so we’ve put together this dog flap installation cost guide.

If you have a small or medium-sized dog, you might be considering installing a dog flap in your home to give them some extra freedom. You don’t want your four-legged friend trapped indoors or outdoors, so we’ve put together this dog flap installation cost guide.
With modern technology, there are now microchip-detecting dog flaps available too. So, there’s no need to worry about other unwanted animals getting into your home.
Size of dog flap | Range - Low | Range - High | Average cost |
---|---|---|---|
Small (up to 20cm x 15cm) | £80 | £240 | £160 |
Medium (up to 30cm x 20cm) | £100 | £375 | £240 |
Large (30cm+) | £120 | £450 | £280 |
Our costs are ballpark averages – get a local tradesperson to quote now
How much does dog flap installation cost?
The cost of installing a dog flap will depend on the size you need. Installation of a small dog flap (up to 20cm x 15cm) will cost around £160. Fitting a medium dog flap (up to 30cm x 20cm) will cost on average £240. And for a large dog flap, the price of installation is in the region of £280.
Dog door installation costs
Another factor that will affect the price is the type of dog flap you want to install. Here are some of the most common dog door installation costs, from the least expensive to the priciest.
- Fit a dog flap to a UPVC or wooden door panel (the most affordable option)
- Replace a glass door panel with a uPVC panel and fit a dog flap
- Fit a dog flap into a composite door
- Fit a dog flap into double glazing
- Install a dog flap into an external wall (most expensive option)
Benefits of installing a dog flap
There are a load of benefits that justify the cost of dog flap installation. They include:
Convenience – You don’t have to worry about letting your dog in and out of the house. 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.
Less door damage – Your dog won’t need you to let them out anymore so they’re much less likely to scratch or bite at the door.
Fewer doggy accidents indoors – A dog flap means your pup can go outside whenever they need to do their business. Hallelujah for clean floors and carpets.
Tips for installing a dog flap
When planning to install a dog flap, here are a few tips to remember:
- The dog flap should be about 2 inches larger than the height and width of your dog to ensure they have easy access.
- A standard dog flap with a spring mechanism is the most affordable type but will allow any pets or small animals to use it.
- Advanced dog flaps use microchip technology to control the door so only your dog can enter or exit, but they are more expensive.
- Speak to your local dog flap specialists for their professional advice and accurate quotes.
- Shop around for fair and competitive dog flap installation costs.
- Always hire a tradesperson with relevant experience and qualifications or accreditations.
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