Finding a practical position
The shortest route from an indoor cold-water pipe is not always the best place for the tap. Consider where a hose will run, whether the fitting will be knocked by a gate and how easily you can reach it without stretching across a bed. The wall must also provide a suitable fixing position and a route that avoids hidden services.
The proposed height should make using the tap comfortable while leaving room for a hose connection or container. If the wall has external insulation or a specialist finish, explain that before the job is scoped. Drilling through an unknown construction without considering its layers can create avoidable damage or a poor seal around the new pipe.
Routing the water supply
Outside tap installation normally involves connecting to a suitable cold-water supply and taking a protected pipe through the building envelope. The indoor connection needs to be accessible for maintenance, not buried behind a fixed appliance with no way to isolate it. Water pressure and the condition of existing pipes can affect the proposed arrangement.
Longer runs, concealed pipework and difficult cupboard access may involve more work than a tap immediately outside a kitchen wall. Describe the route you have in mind, but let the installation assessment establish whether it is practical. A photograph of the wall and nearby accessible plumbing helps without requiring you to remove panels or disconnect an appliance.
Isolation and backflow protection
An indoor isolation valve allows the outside branch to be shut off for maintenance and winter precautions. Place it where it can actually be reached and labelled, so it is useful if the outdoor fitting develops a leak. Merely knowing there is a stop tap somewhere in the house is not the same as having convenient control over this branch.
Backflow protection is also important when hoses could contact contaminated water. A suitable double check valve is commonly used for a standard domestic arrangement, but the correct protection depends on the intended use and applicable water regulations. Tell us about irrigation equipment, chemical dosing or unusual connections; do not assume a standard garden tap is suitable for every attachment.
Thinking about frost before the cold weather
Exposed water can freeze, expanding inside a tap or pipe and causing damage. Insulation can help, but it does not make an exposed fitting immune to prolonged freezing conditions. The ability to isolate and drain the outside section, where the design allows, is an important part of planning rather than an afterthought.
Disconnect hoses when appropriate and follow the advice for the installed arrangement. Water trapped in an attached hose or fitting can undermine winter precautions. If a tap has frozen, avoid applying a naked flame or forcing its handle; isolate the supply if safe and have any suspected damage assessed before relying on the connection again.
Finishing the work and combining garden jobs
Once connected, the tap and accessible joints are checked for leaks and the wall penetration finished appropriately. Ask where the isolation and protective devices are and how the branch should be shut down. Keeping that information with other household maintenance notes makes future repairs easier, especially for someone who did not arrange the installation.
If a garden project also needs a wall light or security light, see our outdoor lighting page for the separate electrical work. For water-related enquiries, use the plumbing hub. Send the tap position and postcode or call 07735 852901, and we can discuss whether the job suits us.