How Long Does the Average Garden Room Last?

When investing in a garden room, you of course want to know how long it is going to last; a garden room can be a fantastic option for bringing practicality and versatility to any outdoor space. It can also be a relatively major home improvement project, so it is important to know you are getting good long-term value for money.

As you would expect, there is no all-encompassing answer to the above question. How long the average garden room lasts depends on a variety of factors, including the quality of the materials and the manufacturing process.

How Long Does the Average Garden Room Last?

When it comes to safeguarding your investment, it is a case of performing periodic maintenance when required. Maintenance for the most part, is relatively simple.

Here is a brief overview of the main parts of a garden room that call for occasional TLC:


The primary material used to protect the exterior of your garden room will have the biggest impact on its lifespan. There are various different types of cladding materials available, which in most instances are relatively easy to maintain. It is important to conduct a periodic inspection to note for any minor damage which should be addressed before escalating into something more serious.


It is a similar story with roofing materials which tend to take the brunt of the Great British weather, again the key to maximising longevity lies in both keeping the room’s roof as clean as possible, while at the same time addressing any minor repairs or maintenance requirements at the earliest possible stage.


Blocked guttering and compromised pipework can pose a major threat to your garden room; preventing blockages from occurring is much easier than dealing with them at a later date. If in doubt, you can always ask your window cleaner to take a look at them on your behalf.

Doors and Windows

Windows and doors on a garden room tend to have the same approximate lifespan as those on any normal home, anything from 20 to 50 years depending on the materials. Keeping your windows clean and tackling minor maintenance issues as early as possible holds the key to keeping your windows and doors in pristine condition indefinitely.


If your garden room is complemented with exterior decking, then regular cleaning and annual protective sealing/varnishing is essential; use a pressure washer and brush them to get between the grooves on a regular basis to prevent grime, mildew and rot compromising the structural integrity of the material.

Electrics and Heating

The easiest and most effective way to ensure that your electrics and heating installations are in safe working order is to periodically hire a professional contractor. This is unless you have sufficient experience to carry out the inspection yourself, it is always better to consult with a local electrician and have them give your garden room an occasional inspection on your behalf.

Quality garden rooms are designed to last for decades, but can have an indefinite lifespan with just a small amount of periodic maintenance.

Riverside Garden Rooms, We are here to help…

Call Riverside Garden Rooms today on 0203 126 4984 and our friendly, knowledgeable team will be here to help with all your questions. At the same time, why not arrange your free home survey?
We design and build garden rooms in London and Surrey.