{"product_id":"steam-oak-gas-cube-sauna-1-8m-electric-option","title":"Steam \u0026 Oak Cube Sauna 1.8m (Electric \u0026 Gas option)","description":"\u003ch2\u003eSteam \u0026amp; Oak Cube Sauna 1.8m\u003c\/h2\u003e\n\n\u003cp\u003eCreate your own outdoor sauna retreat with the Steam \u0026amp; Oak Cube Sauna 1.8m. With its clean architectural lines, full standing height and contemporary square design, this compact garden sauna offers a modern alternative to the traditional barrel shape.\u003c\/p\u003e\n\n\u003cp\u003eBuilt from solid 44mm Scandinavian spruce with alder benches and an 8mm tempered-glass door, it's designed to make regular sauna sessions part of your routine without taking over your garden. Choose gas or electric heating at checkout, or select the shell-only option if you already have a suitable heater.\u003c\/p\u003e\n\n\u003ch3\u003eChoose your heater\u003c\/h3\u003e\n\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eFinSteam Aurora 81 R11S Gas Heater\u003c\/strong\u003e – An electricity-free heating option with engineered ventilation, safety components, regulator, gas hose and sauna stones included.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHarvia PC70 6.8kW Electric Heater\u003c\/strong\u003e – A practical electric option for regular sauna sessions, requiring a suitable dedicated electrical supply.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHarvia PC90 9kW Electric Heater\u003c\/strong\u003e – A higher-powered electric option for faster warm-up.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eShell Only\u003c\/strong\u003e – Choose the sauna cabin without a heater if you prefer to source your own.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWood-fired heating is not available for this 1.8m model. The compact interior is not suitable for the wood-fired stove offered with the larger sauna models.\u003c\/p\u003e\n\n\u003ch3\u003eWhy choose gas heating?\u003c\/h3\u003e\n\n\u003cp\u003eThe FinSteam Aurora 81 R11S offers an alternative to conventional electric heating. Running on propane, it does not require an electrical connection to operate, making it an option to consider for gardens where installing a dedicated sauna circuit may be difficult.\u003c\/p\u003e\n\n\u003ctable\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eFeature\u003c\/th\u003e\n \u003cth\u003eGas\u003c\/th\u003e\n \u003cth\u003eElectric\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eTypical warm-up\u003c\/td\u003e\n \u003ctd\u003eApproximately 15–20 minutes\u003c\/td\u003e\n \u003ctd\u003eApproximately 30–60 minutes\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eElectrical connection\u003c\/td\u003e\n \u003ctd\u003eNot required to operate\u003c\/td\u003e\n \u003ctd\u003eDedicated electrical supply required\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eChimney or flue\u003c\/td\u003e\n \u003ctd\u003eNot required for the gas heater\u003c\/td\u003e\n \u003ctd\u003eNot required\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eSmoke and ash\u003c\/td\u003e\n \u003ctd\u003eNo wood smoke or ash\u003c\/td\u003e\n \u003ctd\u003eNo smoke or ash\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eOff-grid operation\u003c\/td\u003e\n \u003ctd\u003eYes, with a suitable propane supply\u003c\/td\u003e\n \u003ctd\u003eRequires electricity\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eIndicative running cost\u003c\/td\u003e\n \u003ctd\u003eApproximately £1.50–£2.00 per session\u003c\/td\u003e\n \u003ctd\u003eApproximately £1.75–£2.50 per session\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003eWarm-up times and running costs are estimates. Actual results depend on outdoor temperature, starting temperature, session length, energy prices and the selected heater.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's included with the gas configuration?\u003c\/h3\u003e\n\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eAurora 81 R11S gas heater\u003c\/strong\u003e – 8.1kW output, with flame monitoring and an oxygen-depletion safety shut-off.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eOrbis 11 stone cage\u003c\/strong\u003e – Designed to hold the sauna stones.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHalo safety rail\u003c\/strong\u003e – A protective rail around the heater.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eNjord heat shield\u003c\/strong\u003e – Included with the heater package.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003e40kg of pre-washed sauna stones\u003c\/strong\u003e.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eUK propane regulator and 1.2m CE-marked gas hose\u003c\/strong\u003e.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eEngineered gas-ready ventilation\u003c\/strong\u003e – Wooden louvre vents built into the cabin.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe gas ventilation configuration includes a low-level fresh-air intake of at least 350cm² beside the heater and a high-level exhaust of at least 250cm² in the opposite corner. Both are designed to connect directly to the outside.\u003c\/p\u003e\n\n\u003cp\u003eThe gas-heated configuration is priced at £6,690 including VAT. The Aurora 81 R11S gas heater is also available separately.\u003c\/p\u003e\n\n\u003cp\u003e\u003ca href=\"\/products\/premium-gas-sauna-heater-aurora-81-finsteam\"\u003eExplore the Aurora 81 gas heater\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eGas heating costs and setup\u003c\/h3\u003e\n\n\u003cp\u003eWith the Aurora 81 R11S gas heater, a typical session costs approximately £1.50–£2.00, with a warm-up time of around 15–20 minutes. Actual costs depend on propane prices, usage and operating conditions.\u003c\/p\u003e\n\n\u003cp\u003eYou'll need to source a standard UK 13kg Calor propane bottle locally. A Gas Safe registered engineer is required for a fixed gas connection. Check the heater's installation instructions and applicable safety requirements before use.\u003c\/p\u003e\n\n\u003ch3\u003eGas vs electric: comparing the total cost\u003c\/h3\u003e\n\n\u003cp\u003eThe purchase price is only part of the cost of setting up an outdoor sauna. An electric heater needs a suitable dedicated circuit, installed by a qualified electrician. Gas heating avoids the need for a dedicated electrical circuit to operate the heater, although installation costs may still apply depending on your setup.\u003c\/p\u003e\n\n\u003ctable\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eCost\u003c\/th\u003e\n \u003cth\u003eElectric configuration\u003c\/th\u003e\n \u003cth\u003eGas configuration\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eSauna and heater\u003c\/td\u003e\n \u003ctd\u003eFrom £4,795\u003c\/td\u003e\n \u003ctd\u003e£6,690\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eElectrical installation estimate\u003c\/td\u003e\n \u003ctd\u003e£800–£1,500\u003c\/td\u003e\n \u003ctd\u003eNot required to operate the gas heater\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eEstimated total\u003c\/td\u003e\n \u003ctd\u003e£5,595–£6,295\u003c\/td\u003e\n \u003ctd\u003e£6,690\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003eThese are indicative comparison figures. Electrical installation costs depend on your property and the work required. Any applicable gas installation costs are additional.\u003c\/p\u003e\n\n\u003ch3\u003eRunning costs for each heating option\u003c\/h3\u003e\n\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eGas – Aurora 81 R11S:\u003c\/strong\u003e Approximately £1.50–£2.00 per session, with a typical warm-up of 15–20 minutes.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eElectric – Harvia PC70 6.8kW:\u003c\/strong\u003e Approximately £1.75–£2.25 per 90-minute session, with a typical warm-up of around 30 minutes.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eElectric – Harvia PC90 9kW:\u003c\/strong\u003e Approximately £2.00–£2.50 per session.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThese estimates vary with energy prices, session length and how frequently you use the sauna.\u003c\/p\u003e\n\n\u003cp\u003eFor more detail, read our \u003ca href=\"\/blogs\/news\/sauna-running-costs-uk\"\u003eguide to sauna running costs in the UK\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eWhy choose a cube sauna?\u003c\/h3\u003e\n\n\u003cp\u003eThe cube design offers a clean, contemporary silhouette that sits naturally alongside modern garden buildings, patios and landscaped outdoor spaces. Unlike a curved barrel, its straight walls provide full standing headroom throughout the cabin and more usable bench length within a compact footprint.\u003c\/p\u003e\n\n\u003cp\u003eThe 1.8m model is a practical choice when you want a dedicated sauna space without committing to a larger garden building. Its simple architectural form makes it a feature in its own right, while the natural timber brings warmth and texture to the setting.\u003c\/p\u003e\n\n\u003ch3\u003eBuilt from solid Scandinavian spruce\u003c\/h3\u003e\n\n\u003cp\u003eThe cabin is constructed from solid 44mm Scandinavian spruce, kiln-dried to a stated moisture content of 14%. The thick timber walls form the main structure rather than simply covering a separate hidden frame.\u003c\/p\u003e\n\n\u003cp\u003eSlow-grown spruce develops tight growth rings in colder climates, giving the timber a dense, substantial feel. The solid walls provide a robust structure and help create the warm, enclosed atmosphere that makes a sauna such a rewarding place to unwind.\u003c\/p\u003e\n\n\u003cp\u003eThe natural timber can also be finished with oil or colour to suit your garden. If you'd like to explore alternative timber options, read our \u003ca href=\"\/blogs\/news\/thermowood-vs-slow-grown-spruce-sauna\"\u003ecomparison of thermowood and slow-grown spruce\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eBuild and finish\u003c\/h3\u003e\n\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eWalls:\u003c\/strong\u003e 44mm Scandinavian spruce, kiln-dried to a stated moisture content of 14%.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eBenches:\u003c\/strong\u003e Alder wood, single-level seating.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDoor and windows:\u003c\/strong\u003e 8mm tempered glass.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eRoof:\u003c\/strong\u003e Bitumen shingles.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eHeater:\u003c\/strong\u003e Choose the Aurora 81 R11S gas heater, Harvia electric 6.8kW or 9kW heater, or shell-only option at checkout.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's included?\u003c\/h3\u003e\n\n\u003cul\u003e\n \u003cli\u003eSauna shell and base beams.\u003c\/li\u003e\n \u003cli\u003ePre-cut, numbered wooden panels.\u003c\/li\u003e\n \u003cli\u003eStainless steel tension bands.\u003c\/li\u003e\n \u003cli\u003eAlder benches with backrests.\u003c\/li\u003e\n \u003cli\u003e8mm tempered-glass door.\u003c\/li\u003e\n \u003cli\u003eVentilation valve and grill suited to the selected heater.\u003c\/li\u003e\n \u003cli\u003eStainless steel floor drainage grid.\u003c\/li\u003e\n \u003cli\u003eBitumen roof shingles.\u003c\/li\u003e\n \u003cli\u003eFastener kit and assembly manual.\u003c\/li\u003e\n \u003cli\u003eSelected heater and sauna stones with the relevant gas or electric package.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eWarranty:\u003c\/strong\u003e 24 months.\u003c\/p\u003e\n\n\u003ch3\u003eDelivery and installation\u003c\/h3\u003e\n\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eStandard UK delivery:\u003c\/strong\u003e Free.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eEstimated transit time:\u003c\/strong\u003e 2–10 working days.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Three pallets, each measuring approximately 2.4 × 1.2 × 1.0m.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eSite preparation:\u003c\/strong\u003e A stable, level base should be ready before delivery.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eAssembly:\u003c\/strong\u003e Self-assembly, typically requiring two people and 4–6 hours over one or two days.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eAdditional requirements depend on your chosen heater:\u003c\/p\u003e\n\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eElectric heaters:\u003c\/strong\u003e Require a suitable dedicated supply, specified as 32A single-phase or 16A three-phase, installed by a qualified electrician.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eGas heater:\u003c\/strong\u003e Requires a suitable propane bottle. A Gas Safe registered engineer is required for a fixed gas connection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e 2–4 people.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eSuitable for:\u003c\/strong\u003e Outdoor use only.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eExternal dimensions (L × W × H):\u003c\/strong\u003e 1.85 × 2.0 × 2.2m.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eSauna room depth:\u003c\/strong\u003e 1.75m.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eAnteroom:\u003c\/strong\u003e None.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eWall thickness:\u003c\/strong\u003e 44mm Scandinavian spruce.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDoor and windows:\u003c\/strong\u003e 8mm tempered glass.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eBench configuration:\u003c\/strong\u003e Alder, single-level seating.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePackaged weight:\u003c\/strong\u003e Approximately 690kg.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 24 months.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eNot sure which sauna configuration is right for your garden? Read our \u003ca href=\"\/pages\/sauna-buying-guide-uk\"\u003ecomplete UK sauna buying guide\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eWant more interior space and a covered entrance? Explore the \u003ca href=\"\/products\/cube-sauna-2-4m-porch\"\u003e2.4m Cube Sauna with Porch\u003c\/a\u003e, with capacity for 4–6 people. Prefer a more traditional curved design? Discover the \u003ca href=\"\/products\/barrel-sauna-1-8m\"\u003e1.8m Outdoor Barrel Sauna\u003c\/a\u003e.\u003c\/em\u003e\u003c\/p\u003e","brand":"Steam \u0026 Oak","offers":[{"title":"Shell only","offer_id":55214426358093,"sku":"CUB18-EL-SHELL","price":4195.0,"currency_code":"GBP","in_stock":true},{"title":"+ Electric Harvia PC70 6.8kW","offer_id":55214426390861,"sku":"CUB18-EL-PC70","price":4795.0,"currency_code":"GBP","in_stock":true},{"title":"+ Electric Harvia PC90 9kW","offer_id":55214426423629,"sku":"CUB18-EL-PC90","price":4995.0,"currency_code":"GBP","in_stock":true},{"title":"Gas — Botnia 81, no safety pack","offer_id":55214426456397,"sku":"CUB18-GAS-BOT-R11","price":6190.0,"currency_code":"GBP","in_stock":true},{"title":"Gas — Aurora 81, no safety pack","offer_id":55214426489165,"sku":"CUB18-GAS-AUR-R11","price":6390.0,"currency_code":"GBP","in_stock":true},{"title":"Gas — Botnia 81 with safety pack","offer_id":55214426521933,"sku":"CUB18-GAS-BOT-R11S","price":6490.0,"currency_code":"GBP","in_stock":true},{"title":"Gas — Aurora 81 with safety pack","offer_id":55214426554701,"sku":"CUB18-GAS-AUR-R11S","price":6690.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/2660\/5389\/files\/CUB18-EL-SHELL_gas.png?v=1793183349","url":"https:\/\/awennook.co.uk\/products\/steam-oak-gas-cube-sauna-1-8m-electric-option","provider":"Awen Nook","version":"1.0","type":"link"}