Can I put my hot tub in a Summerhouse/garden room?

hot tub in summerhouse
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Can I put my hot tub in a Summerhouse?

The perfect pair doesn’t exi….😲

It’s Summer (pretty much), and as it is, we’re going to be spending a lot of times in our garden this year. There couldn’t be a better time than now to get your garden looking exactly as you want it. 

If you are thinking of getting a hot tub, you might not be entirely convinced that you want it outside. After all, we do live in Scotland and the weather can be little unpredictable and the neighbours a little nosy 🧐

That’s where a summerhouse can come in. But can it be done? And if so, how do you protect the timber to ensure the summerhouse lasts?

We’ll cover that, plus some other things you’ll need to think about before installing your hot tub and summerhouse. 

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Meet the wood experts: Gillies & Mackay

We know a helluva lot about #wetleisure. The wet leisure experts you might say. But we don’t really know our way round a Summerhouse. This is where Gillies & Mackay come in.  

Gillies & Mackay are wood extraordinaries. Shed, summerhouse, garden room, gazebo or garage. If it’s make of wood they’re your guys and gals. And they’ve kindly lent us their brains to help us understand how a hot tub will affect wood, and how you can protect it to ensure your summerhouse/shed or whatever it is you have covering your hot tub lasts as long as it’s supposed to.

As well as knowing everything there is to know, they build the very best garden buildings in the world, right here in Scotland. They are also exceptionally good looking (the buildings, but also the staff). 

Like Eagle Leisure they aren’t in the business of selling cheap rubbish. You get you pay for, and what you are paying for is a building that will last generations (if you look after it). 

How to protect your Summerhouse timber if you have a hot tub...

G&M summerhouse If you’re putting a hot tub in a summerhouse there are certain measures you should take to ensure the longevity of the timber. 

The cover will be over the hot tub most of the time which will keep in the heat and the moisture. But, when you are using it the cover will be off, and when the heat and moisture from the hot tub water can play havoc with the porous timber. 

There are a couple of things that you need to do (as per G&M instructions:

1. All the timber must be tanalised (a green treatment that protects the timber against Fungi/Mould/Insects

2. You must be committe to maintaining frames that are not tanalised (eg. windows and doors)

3. The floor must be made of 32mm thick decking with 300ctr Joists to withstand the weight of the hot tub (plus water + people – it can be as heavy as 2.5 tonnes)

4. You must provide a full slabbed area to (summerhouse builder) specification for the Summerhouse base.

5. The Summer House must be ventilated with Louvre vents under the eaves and canopy

Altering the design and construction very slightly will ensure that your timber stays protected and that your summerhouse lasts a long time. 

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Does it cost more to put your hot tub in a Summerhouse?

hot tub summerhouseSo, you’ve got some extra things to think about. But the big questions is, how much more is this going to cost you?

You are already shelling out for a hot tub and a summerhouse. And now I’m telling you that you need to spend more?

It’s all about the lifetime value of your summerhouse. Spending this money now will ensure it is protected to last its lifetime, and likely outlive the life of your hot tub.

The above summerhouse is a 3.6m x 3.6m (plenty of room for a 2x2m hot tub) pent Rannoch Summerhouse with a steel box profile roof, which is £5039 as standard. 

The tanalised timber, decked floorings and ventilation will add an additional £2052. 

Taking the total cost to £7091 for the summerhouse. 

Price will of course vary depending on supplier and what model you go for. But, while it will cost you more in the short run it will protect the summerhouse. 

The alternative is spending less, not protecting the timber and having to replace it. Which will not only cost you more over the lifetime of the summerhouse, but is also wasteful and not something we like to promote. 

How do I get my hot tub inside?

Oh you’re smart! You know a hot tub probably isn’t fitting through a standard set of Summerhouse doors. You are correct. It won’t. 

You’ll need to work with your hot tub and summerhouse company to coordinate delivery (or they can coordinate together if they are really nice). Your base will of course, need to be ready before the delivery of the hot tub. It’s likely three walls and the base will be build and then the final wall will be put up after the hot tub installation. 

But what if your hot tub breaks? 

It’s likely that (if you look after it) a summerhouse will last longer than a hot tub. A hot tub has a lot of moving parts and a good one will last around 10-12 years. Whereas as good summerhouse can last you up to 30 years.

So, while you can get it in during construction How do you get it out? 

With G&M, all their buildings are sectional. So as long as you make sure one wall can be removed then you will be able to remove a hot tub (and put in a new one) when it comes to the end of it’s life. 

How do you drain your hot tub in a Summerhouse?

Most hot tubs have in-build drains. But you can’t just open this and let the water run out in a summerhouse. We really don’t recommend this anyway.

We recommend that you buy a submersible pump, with an attached hose and empty the water out the hot tub that way. You can then drain it directly into a main drain and avoid and overload of water in your garden.

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Should I put my hot tub outdoors?

So you know you can put your hot tub in a Summerhouse, but should you?

Whether you want to cover your hot tub or not is a personal choice. Some people want to be able to look at the sky, some people want the comfort and weatherproofing of a summerhouse. Either way, it can be done. 

Now all that’s left is for you to pick out your hot tub (and summerhouse)

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Debbie Ekins
Debbie Ekins
Eagle Leisure - Sales & Marketing Manager Mission = to arm you with the knowledge you need to make the best buying decisions. Fuelled by coffee (and naps). Explorer of Scotland and the world.
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