External size 340 × 220 cmFootprint and door, at a glance
That is 7.5 m² on the ground, under 2.5 m tall. A firm, level base is all it needs: slab, paving or compacted gravel; the four cradles sit on it.
01Your stove
The stove in the price is fired from inside the room. It takes logs up to 400 mm; flue Ø115 mm. The Stoveman and the Cozy are fed from outside, through the wall.
Two glass doors in the price. Outer and inner, 8 mm toughened glass, both opening outward.
The black door comes with Black Edition. No need to add it twice.
03Choose your extras optional
Fitted during assemblyLED lighting kit, IP65Two lamps inside, one outside, a power supply, seven connectors and a switch. IP65.
HarviaSauna stonesNot in the barrel price. The stove basket takes up to 80 kg.
04Add accessories optional
HarviaHarvia sauna set: pail, ladle, gauge and timerPail, ladle, gauge and timer in one go.
HarviaHarvia sauna pail and ladle, timberTimber pail and ladle, the two you actually reach for.
HarviaHarvia Black Steel sauna setMatt black stainless.
HarviaHarvia sauna thermo-hygrometer, alderTemperature and humidity on one alder plate.
4Living4Living sauna thermo-hygrometer, heat-treated alderThe same two readings, darker frame.
HarviaHarvia sauna sand timer, 15 minutesFifteen minutes, no battery to die in the heat.
Timber sauna thermometerShows the temperature in the room at a glance.
HarviaHarvia Bluetooth sauna speaker, blackIPX6, rated to 65 °C. Keep it low, not by the ceiling.
RentoRento birch sauna whiskBirch leaves, bound by hand. Soak before the first use.
RentoRento sauna fragrance gift box, three by 400 mlThree fragrances for the water in the ladle.
Eucalyptus sauna fragrance, 500 mlEucalyptus, a few drops in the ladle.
Your build
Size340 × 220 cm
HeaterWood-burning stove
DoorStandard toughened glass
Add-onsNone
Payment🔒 Secure transaction
You arrange the prepared base and the flue outlet through the roof during assembly.
On-site assembly is not included.
Made to order · the factory builds it in 10 days before transit.
Delivery2–4 weeksto your kerb, in the price on the mainland
In the crate
What is in the wood-fired barrel sauna kit?
One timber crate with the whole barrel inside. The price covers every line of this list, the stove and flue kit and mainland delivery.
One crate, on its pallets
Wrapped and strapped before it leaves. We ask for a photograph of your own crate with its packing list and pass it on to you.
When it arrives: before you sign, check the crate for visible damage and note it on the delivery note. Check the parts against the packing list when you unpack.
Crate
3.4 × 1.2 × 1 m
Weight
barrel about 990 kg
On the lorry
4 pallet spaces
Everything in one crate
included in £4,949
Tap a line for its own photos, what it is for and what you do with it.
One crate
The full packing list
Everything that comes out of the crate, group by group. Tap a picture to enlarge it. Every part by code is in the assembly manual.
The barrel
87 wall boards, 3350 mm6 end-wall panels4 base cradlesfloor panels, 35 mm
Solid timber, cut to size and numbered to the drawings. The four cradles go down first, level and square; the barrel goes up on them board by board between the end-wall panels. It arrives untreated.
What it is
The whole body of the sauna: walls and roof in one round shell, the front wall, the partition, the back wall, the base and the floor.
You do
Build it board by board, following the numbers. Treat the outside before the first winter.
Good to know
The wall boards are 3.35 m long and the end-wall panels nearly as wide as the barrel: check your gate before delivery.
Two toughened glass doors
2 doors in their framestimber handleshingesroller catches
8 mm toughened glass, 1770 × 690 mm: the outer door into the changing room and the inner door into the hot room. Each comes in its frame, with a turned timber handle through the glass, the hinges and a roller catch that holds it shut. There is no key lock.
What they are
The way in, and the door that keeps the heat in the hot room.
You do
Fit them near the end of the build, once the walls are up.
Alder benches, storage benches
2 benches, 184 × 50 cm2 backrests2 storage benches with lidsbench legs
One bench along each side of the hot room, at one height, with a backrest on the curved wall above it: six people sit facing each other. In the changing room, two storage benches with hinged lids.
What it is
Seating for six, and somewhere dry for towels and clothes.
You do
Fit the bench frames, the benches and the storage benches once the walls are up, as the manual draws them.
Good to know
Alder is the traditional bench timber: comfortable to sit on at sauna temperature.
Wood-burning stove and flue kit
stove and standstone guardheat shieldsflue Ø115, damperflashing 450 × 450 mmrain cap
The stove stands on the back wall behind its guard, stones on top; its firebox passes through the wall and you feed it from outside. The flue kit runs from the stove to the rain cap. Stones for the stove are not in the crate: 20 kg a box.
What it is
The heat: a wood stove with its flue, fed from outside so logs and ash stay out of the hot room.
You do
Fit the stand, shields, stove and flue as the manual draws them, and seal the flashing into the shingles.
Not in the crate
Stones, a non-combustible plate under the stove, high-temperature flue sealant; the Part J sign-off.
120 bitumen shingles
120 shingles805 roof nails4 starter battens
Nailed on in rows over the top of the barrel, from a starter batten 1.4 m up each side. The manual shows the rows and how many nails each shingle takes.
What it is
The covering that keeps rain off the top of the barrel and the canopy over the door.
You do
Nail the rows on from the battens up, as the manual draws them.
The straps go right round the barrel once the walls are up. Every screw and nail is counted into the crate by size: 805 roof nails and about 1,100 screws.
What they are
What holds the walls tight as the solid timber settles.
You do
Tighten all four with two spanners about a month after the build, then once a year.
Good to know
Leave room to walk round the barrel and reach them.
Air inlet, extract grille, floor drain
1 adjustable inlet1 extract grille1 drain plate
The inlet low down by the stove and the extract grille high up both go in the back wall of the hot room. The stainless drain plate sits in the floor and empties under the barrel.
What they are
Fresh air for the hot room, and a way out for splashed water.
You do
Leave the doors open after a session; keep free drainage under the base.
One timber crate with the stove inside, wrapped and strapped on its pallets, set down at your kerb. Before it leaves, we ask for a photograph of your own crate with its packing list.
How it arrives
By lorry, set down at the kerb: it needs firm, level ground and room to stop.
You do
Before you sign, check the crate for visible damage and note it; count the parts when you unpack.
Good to know
The driver does not carry it into the garden: plan for two people and a sack truck.
Seven parts, one at a time. Pick a number on the photo, or use the arrows to go through every close-up.
Tap a numberClick a number
Doors
2, 8 mm toughened glass
Size
1770 × 690 mm each
Outer
into the changing room
Inner
into the hot room
Catch
roller catch, no key lock
1 / 4
What are the doors like?
Two glass doors, 8 mm thick, one behind the other.
The outer door opens into the changing room and the inner door into the hot room. Both are toughened glass, 1770 × 690 mm, with a turned timber handle through the glass and a roller catch that holds them shut; there is no key lock.
Shown with a dark exterior stain; the barrel arrives untreated and you choose the colour. The close-ups of the shingles, flue and fire door were taken on barrels and cabins of the same range: the parts are the same.
In the garden
How will it look in your garden?
It arrives as untreated timber. The exterior finish, and the garden, are yours: any exterior preservative or stain, outside only. The dark exterior stain in them is your choice.
The canopy over the door, four straps
From the other side
In the evening, the door open: a barrel of the same range
3 photos · drag or use the arrows
1Inside
How do six people fit round the stove?
Six seated on two facing benches in the hot room, one height, with the stove on the back wall between them, fed from outside; a changing room in front.
Tap a numberClick a number
Benches
2, one along each side
Each
184 × 50 cm, a backrest above
Seats
six, three a side, facing
Timber
alder
1 / 3
Will six of us fit?
Three on each bench, facing each other.
Each bench runs 184 cm along a side of the hot room, 50 cm deep, at one height, with a backrest on the curved wall above: three sit side by side, or one person lies down. It is a six-person sauna, seated.
Six seated, in the hot room: three on each bench, facing each other, with the changing room in front. From the factory drawing; tap a number on the plan.
Seats6three on each bench, facing
Benches184 × 50 cmtwo, at one height
Hot room185 cm long206 cm across, inside
Changing room85 cmtwo storage benches
Inside this chapter · 2 parts
The fire door outsideThe hot room: stove and benchThrough both doorsThe changing roomA storage bench
The fire door close-up was taken on a barrel of the same range.
Six seatedThree on each bench, facing each other across the aisle.
Lying downEach bench is 184 cm long and 50 cm deep: one person on each can lie down.
A six-person saunaSeated. The changing room in front keeps your clothes dry and the heat in.
A wood-burning stove, in the priceOn the back wall behind its guard, with the flue kit. Fed from outside, through the back wall.
Stones for the stoveNot in the price: 20 kg a box, £69 a box in the build.
One bench heightEveryone sits at the same level, under the curved roof.
What we have measuredNot yet: this barrel’s heat-up time, operating temperature and winter performance are still to be measured in a built barrel.
Through a British winterIt is an outdoor sauna. Treat the outside before its first winter; keep the logs dry and the chimney swept.
The fire door outside
An adjustable inlet by the stoveWith an extract grille outside, both in the crate.
Solid timber insideSolid boards and alder benches. No glued sandwich panels and no PIR boards anywhere in the build.
After a sessionLeave the doors and the vent open until the rooms are dry. The floor drain takes the ladle splash.
The round timber vent cover, inside
The habit, not the buildSize for the people who will use it every week: a six-person room suits a big family, or friends who come round.
A fire to lightDry, seasoned logs, fed from outside through the fire door in the back wall. Keep a covered log store near the barrel.
Never kept a sauna habit?Try a month at a local gym first.
In the evening
2Full cost
What does the wood-fired barrel sauna price include?
The price covers the barrel, the stove with its flue kit and kerbside delivery to the UK mainland. Everything else is listed here, before you pay.
The standard kit is listed in the crate block above.Here: what you can add, and what the price does not cover. Add or remove options right here and the price changes everywhere on the page.
The stove
The price includes the wood-burning stove with its stand, guard and heat shields, and the flue kit. Stones are the one thing the first session needs that is not in the crate.
Stove
In the pricenot an upgrade
Fed from
Outsidethrough the back wall
Flue kit
Ø115in the price, to the rain cap
Sauna stones · 20 kg box
+£69Not added20 kg
Inside this chapter · 3 parts
LED lighting kit, IP65Two lamps inside, one outside, a power supply, seven connectors and a switch. IP65.Not added
Harvia Black Steel setPail, ladle and gauge in matt black stainless.Not added
Harvia thermo-hygrometerTemperature and humidity on one dial.Not added
4Living thermo-hygrometerThe same two readings, a darker frame.Not added
Timber thermometerTemperature only.Not added
Drag or use the arrows for more options
Not in the crate: plan for these
A firm, level baseSlab, paving or compacted gravel, 340 × 220 cm.
You arrange
The Part J sign-offNot in our price. Building control, or a registered installer, signs off the stove and flue: ask before you order.
Under and round the stoveA non-combustible plate under the stove and high-temperature flue sealant.
You buy
Sauna stonesFor the stove: 20 kg a box, £69 a box.
Not added20 kg
The last metresThe crate stops at the kerb: plan two people and a sack truck to carry the parts to the base.
You arrange
Exterior wood treatmentAny exterior preservative or stain, outside only. The inside stays bare wood.
Any DIY shop
Sealant and foamSealant for under the roof and a can of expanding foam for the door frames, as the manual shows.
Any DIY shop
ToolsCordless driver with T25 and PZ2 bits, a drill with a Ø8 bit, a jigsaw, a hammer, a rubber mallet, a knife, two spanners, a level, a tape measure, a sealant gun.
Yours
Nothing is added later. When you compare quotes, check the heater, stones, delivery, unloading, base, exterior treatment and assembly one by one. When you compare quotes, check the heater, stones, delivery, unloading, base, exterior treatment and assembly one by one.
Mainland delivery: in the price; a surcharged postcode sees its figure in chapter 3, before checkout
Stones: £69 a 20 kg box: priced here, before you order
Kerbside: means the kerb: the last metres into the garden are yours
Part J sign-off: yours to arrange, and we say so before you pay
Change of mind: the return pallet is at your cost, typically £150 to £250
3Site and planning
Can you use a wood-fired sauna at your address?
Four checks, all before you pay. For the wood-fired barrel the two that decide it are smoke control and the flue.
Start with your postcode.
We answer what we can from it and tell you who decides the rest.
In the price→
Delivery to your kerb
UK mainland, typically 2 to 4 weeks from order. A few areas carry a surcharge: your postcode shows the figure.
Your council decides→
Smoke control
Councils declare smoke control areas street by street, and this stove is not on Defra’s exempt-appliance register. Your postcode tells you which council decides.
Usually permitted development in England and Wales: 7.5 m² on the ground. Height, distance to a boundary, conservation areas and listed settings change it: your postcode gives your country’s rule.
Building control decides→
The stove and flue
Building work under Part J in England and Wales: building control, or a registered installer. The sheet below has what they need.
Delivery by area: UK mainland in the price; on top of it, Isle of Wight +£49 · Scottish Highlands +£79 · Northern Ireland +£99 · Scottish Islands +£149 · Isle of Man: contact us before ordering · Channel Islands, Isles of Scilly and BFPO not served. The figure for your postcode is the one checkout uses.
Inside this chapter · 3 parts
Tap a numberClick a number
Stands
on the back wall, behind its guard
Fed from
outside, through the back wall
Maker’s rating
rooms of 6 to 12 m³
Logs
up to 400 mm
Flue kit
in the price
1 / 1
Where does the stove stand?
Inside, on the back wall; you feed it from outside.
It stands behind its guard with stones on top, and its firebox passes through the back wall: logs and ash stay outside. Leave standing room behind the barrel and keep the logs dry nearby.
Show this to your installer
Wood-burning sauna stove in a stone guard on the back wall; the firebox passes through the back wall and is fed from outside; maker’s rating 6 to 12 m³; logs up to 400 mm
How is the wood-fired barrel sauna delivered and built?
Made to order, one crate to your kerb in 2 to 4 weeks, then two people, ordinary tools and a manual that draws every step.
1Made to order
Your barrel is made to order in about ten days. Before it leaves, we ask for a photograph of your packed crate with its packing list and pass it on to you.
2The day is booked
Our carrier calls to book the day, so that you can be there to check the crate. Order to kerb is typically 2 to 4 weeks on the UK mainland. A few postcodes carry a surcharge: chapter 3 shows yours.
3Set down at the kerb
The crate comes by lorry and is set down at the kerb, on the nearest hard, level standing: driveway or road, not grass, gravel or a slope. The lorry needs room to stop there. The driver does not carry the crate into the garden.
4Check before you sign
Note any damage on the delivery note and take photos, then count the parts against the packing list. Email us within 14 days and we replace damaged or missing parts free of charge, delivery included.
Easy to build yourselves
You save
£900–£1,000
by building it yourselves: that is what UK sellers charge to assemble a garden sauna like this. Two people build it from the manual, with ordinary tools and some cutting: the last wall boards are trimmed to fit.
Published fitting prices for garden saunas, September 2026. We do not offer assembly, for any sauna; a local joiner can quote from the manual.
Crate3.4 × 1.2 × 1 mone timber crate, strapped on its pallets
Weightabout 990 kgthe barrel; the stove and flue in the same crate add to it
Set downat the kerbby lorry, 4 pallet spaces
Order to kerb2–4 weeksUK mainland, typically
The last twenty metres
The crate stops at the kerb. Plan for two people and a sack truck, and walk the route to the plot first: a side gate, a corner, a step.
The wall boards are 3.35 m long: a corner or a step needs a look.
The end-wall panels are nearly as wide as the barrel: check the gate first.
87 wall boards, pre-cut and numbered: carried a few at a time.
Before the crate arrives: the base
Pad the size of the footprint: 340 × 220 cm. A slab that sticks out past the wall holds rain against it.
Level and square: the four base cradles go down level, 800, 860 and 860 mm apart; measure both diagonals and make them equal.
No water connection, free drainage: no mains water is needed; the floor drain empties under the barrel.
Concrete slab, paving slabs or compacted gravel: whichever you choose, the barrel brings its own floor and base cradles.
5Warranty and returns
Who am I paying, and what if something goes wrong?
Waldenhaus Limited, a UK company: 14 days to report damage, a 2-year warranty, parts for 10 years.
Inside this chapter · 3 parts
If this happens
What we do
You have
Who pays
It arrives damaged or short
Note it on the delivery note, take photos and email us within 14 days of delivery. We replace damaged or missing parts free of charge, delivery included.
14 days
We pay
A part fails
2-year warranty against manufacturing and material defects, from the day of delivery, on the barrel and everything supplied in the crate. Parts, not a new sauna: we send the board, fitting or panel that is needed.
2 years
Part free
The stove or flue fails
Covered by the same 2-year written warranty as the barrel. Fit them under Part J, as the warranty asks. We send the part.
2 years
Part free
You need a part later
We keep replacement parts for 10 years from your purchase date.
10 years
You pay
You change your mind
14 days from delivery to cancel and a further 14 days to send it back, unused and in its crate. Return is by pallet freight, which you arrange: typically £150 to £250 from a UK mainland address.
Surface weathering and seasonal movement of the timber: the barrel arrives untreated, and solid timber moves with the seasons
Damage from incorrect assembly or from modifications
Impact damage, and damage from sustained wind above 50 mph or any Met Office Named Storm
Faulty or damaged goods are a different case from a change of mind: tell us and we arrange and pay for everything. Your statutory rights are not affected.
A UK company
Company No. 16877766 · VAT GB519957245
Waldenhaus Limited, 71-75 Shelton Street, London WC2H 9JQ. Check the public register before you pay.
Send your order number, a photo of the problem and a line on when you noticed it to support@waldenhaus.uk or on WhatsApp. We answer within 2 working days.
Five jobs matter: treat the outside before the first session and leave the inside untreated, look the shingles over once a year, tighten the straps a month after the build and then once a year, after each session leave the doors ajar and the vent open until the rooms are dry, and have the flue swept at least once a year. If it is rarely used, air it on a dry day every few weeks.
Tap a numberClick a number
What keeps water out
120 shingles over the top of the barrel.
What you do
Nail them on during the build, then check them yearly.
1 / 2
Will rain get in?
Bitumen shingles, nailed on in rows over the top of the barrel.
You nail them on during the build; the manual shows the rows and the nails. Look them over once a year and fix down any shingle that has lifted. Damp inside after a session is condensation from the steam: leave the doors and the vent open until the rooms are dry.
Parts for ten years
We keep replacement parts for 10 years from your purchase date: a board, a fitting, a panel.
How long will it last?
We do not put a number of years on it. The written warranty is 2 years; the rest is the five jobs above: treat, tighten, check the roof, dry, sweep. The boards swell in wet weather and shrink in dry, which is why the straps are checked every year; if a board or a fitting fails, we send the part. The boards swell in wet weather and shrink in dry, which is why the straps are checked every year; if a board or a fitting fails, we send the part.
?FAQ
Wood-fired barrel sauna questions
Pick a subject, or type it.
Is six people realistic?
⌄
Yes, seated. Three on each bench, facing each other across the aisle, with the stove on the back wall between them. Each bench is 184 cm long and 50 cm deep, at one height, with a backrest on the curved wall. The changing room in front has two storage benches for towels and clothes.
Do I need planning permission?
⌄
Garden buildings are usually permitted development in England and Wales; this barrel covers 7.5 m² and stands under 2.5 m tall. Height, distance to a boundary, conservation areas, listed settings, flats, Scotland and Northern Ireland all change the answer. Check the Planning Portal and your council before you order.
Should I tell my home insurer?
⌄
Yes, before delivery. Ask your insurer whether your policy covers the sauna and its stove, and which installation documents they need. A garden building of this value can sit above the outbuildings limit on a standard policy.
Where in the garden should it go?
⌄
Close to the house: you walk back from it in a towel. Face the outer glass door to the fence or the house, not the street. Leave room to walk round it and to reach the straps. The stove is fed from the back of the barrel, so leave standing room there and a covered log store nearby.
Can I use it through a British winter?
⌄
Yes. It is an outdoor sauna. The two jobs that matter first are the exterior treatment before the first season and the strap check after the first month. Keep the logs dry and the chimney swept.
What does the stove burn?
⌄
Dry, seasoned logs up to 400 mm, fed from outside through the fire door in the back wall. Keep a covered log store near the barrel. The stove needs no heater circuit.
Can I burn wood at my address?
⌄
Councils declare smoke control areas street by street, and this stove is not on Defra’s exempt-appliance register. Put your postcode in at the top of the Site and planning chapter: we tell you which council decides, then check the exact address with them before anything is built.
Who signs off the stove and flue?
⌄
Fitting them is building work under Part J in England and Wales: notify building control, or use an installer registered with a competent-person scheme. The manual gives the clearances, the heat shields and the roof pass-through.
Do I need any electrical work?
⌄
Not for the heat. The only reason to bring power to the barrel is the lighting kit, a small circuit rather than a heater supply; if you add it, it is yours to arrange with a qualified electrician.
What does delivery cost?
⌄
Kerbside delivery to the UK mainland is in the price. The Isle of Wight is +£49, the Scottish Highlands +£79, Northern Ireland +£99 and the Scottish islands +£149, shown by postcode before checkout. For the Isle of Man, contact us before ordering; the Channel Islands, the Isles of Scilly and BFPO addresses are not served.
Does it need a water supply?
⌄
No. There is no water connection: you bring a pail of water in for the stones. Water that reaches the floor drains through it beneath the barrel, so the base needs free drainage.
What exactly is it made of?
⌄
Solid timber boards for the round walls and the end walls, alder benches, two 8 mm toughened glass doors. No glued sandwich panels and no PIR boards anywhere in the build. It ships untreated: the exterior finish is yours to choose.
What about children and the stove?
⌄
Keep children away from the stove and its glass door, and do not leave them alone in the hot room.
Is a sauna safe for everyone?
⌄
We sell the sauna and do not give medical advice. If anyone in the household is pregnant or has a heart or blood-pressure condition, ask a GP before using any sauna.
Can I take it with me if I move house?
⌄
It is designed to be built once. Taking it down and rebuilding it is not provided for, so plan the site as permanent.
Electric or wood-fired?
⌄
Same barrel. Wood-fired needs no heater circuit, but does need a flue through the roof, is fed from outside the barrel and cannot burn wood in a Smoke Control Area: the stove is not on Defra’s exempt-appliance list, so check your address with your council first. Electric heats on a timer and needs its own circuit from your consumer unit. If the flue or the smoke check is the sticking point, look at the electric build.
What if it arrives damaged or short?
⌄
Check the delivery before the driver leaves. Note any damage on the delivery note and take photos, then email us within 14 days of delivery with the photos and your order number. We replace damaged or missing parts free of charge, delivery included.
Can I send it back?
⌄
Yes. You have 14 days from delivery to cancel and a further 14 days to send it back, unused and in its crate. Return is by pallet freight, which you arrange and pay for: typically £150 to £250 from a UK mainland address. Faulty or damaged goods are a different case: tell us and we arrange and pay for everything.
Will we actually use it?
⌄
The honest risk with any sauna is the habit, not the build. Size for the people who will use it every week: a six-person room suits a big family, or friends who come round. If you have never kept a sauna habit, try a month at a local gym first.
Who am I buying from?
⌄
Waldenhaus Limited, 71-75 Shelton Street, London WC2H 9JQ, Company No. 16877766. We sell garden structures for British weather: greenhouses first, and now saunas made to our specification.
What are my legal rights?
⌄
The Consumer Rights Act 2015 applies: goods must be as described, of satisfactory quality and fit for purpose. Distance orders carry a 14-day cancellation right under the Consumer Contracts Regulations 2013. These come from the law, whoever you buy from.
