{"product_id":"steam-oak-honka-345-sauna-cabin","title":"Steam \u0026 Oak Honka 345 Sauna Cabin — 4–6 Person 45 mm Log with Changing Room","description":"\u003cp\u003eThe Honka 345 is the largest cabin in the range: \u003cstrong\u003e3.44 m long\u003c\/strong\u003e, built from \u003cstrong\u003e45 mm log\u003c\/strong\u003e, and partitioned into a hot room and a separate changing room.\u003c\/p\u003e\n\n\u003ch3\u003eTwo rooms, one building\u003c\/h3\u003e\n\n\u003cp\u003eThe 3.44 m length splits into a \u003cstrong\u003e2.0 m hot room\u003c\/strong\u003e and a \u003cstrong\u003e1.3 m changing room\u003c\/strong\u003e. That partition is what makes this cabin work for a group: the changing side stays cool, so the hot room stays hot when people come and go in rounds.\u003c\/p\u003e\n\n\u003cp\u003eIt also keeps the heated volume sensible. Heat the whole 3.44 m shell and you would be looking at a much larger heater; heat only the hot room and it is around \u003cstrong\u003e8.6 m³\u003c\/strong\u003e — a size a normal heater handles properly, and comfortably inside what off-grid gas will serve.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e45 mm log\u003c\/strong\u003e walls sit between the 42 mm panel cabins and the 70 mm Honka 200 — more thermal mass than a panel build, without the weight and cost of full solid log.\u003c\/p\u003e\n\n\u003ch3\u003eSpecification\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCapacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4–6 people\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExternal size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3435 × 2490 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLayout\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.0 m hot room plus 1.3 m changing room\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHeated volume\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eapprox. 8.6 m³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWalls\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e45 mm log\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eapprox. 1100 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the box\u003c\/h3\u003e\n\u003cp\u003eEverything structural. No hidden extras to buy before you can build it:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePre-cut, numbered 45 mm log walls\u003c\/li\u003e\n\u003cli\u003eSauna benches\u003c\/li\u003e\n\u003cli\u003eDoors and glazing\u003c\/li\u003e\n\u003cli\u003ePartition wall\u003c\/li\u003e\n\u003cli\u003eRoof covering\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFloor\u003c\/strong\u003e and \u003cstrong\u003efoundation beams\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eComplete fixing kit\u003c\/li\u003e\n\u003cli\u003eVentilation grids\u003c\/li\u003e\n\u003cli\u003eStep-by-step assembly instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRun it on gas — no electrician, no cable across the garden\u003c\/h3\u003e\n\n\u003cp\u003eThis is the option almost nobody else offers, and for a lot of gardens it is the one that makes a sauna possible at all.\u003c\/p\u003e\n\n\u003cp\u003eA \u003cstrong\u003eFinSteam gas heater\u003c\/strong\u003e runs on a standard propane bottle — the same sort you would use for a patio heater or a barbecue. No armoured cable, no trench across the lawn, no electrician quote you had not budgeted for. If your garden has no power at the far end, this is how you still get a sauna there.\u003c\/p\u003e\n\n\u003cp\u003eThe partition is what makes gas work on a building this long. At around 8.6 m³ the heated room sits inside the 8.1 kW envelope — heating the full 3.44 m shell would not.\u003c\/p\u003e\n\n\u003cp\u003ePick a gas option above and \u003cstrong\u003ewe fit the flue and commission the heater on installation day\u003c\/strong\u003e. You do not need to arrange anything with anyone.\u003c\/p\u003e\n\n\u003ch4\u003eWhich gas option?\u003c\/h4\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBotnia 81\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOur standard 8.1 kW gas heater. Everything you need to run the sauna.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAurora 81\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThe premium version of the same 8.1 kW heater — better finish and detailing.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\n\u003cp\u003e\u003cstrong\u003eAnd then: safety pack, or without?\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cstrong\u003eWith safety pack\u003c\/strong\u003e\u003cbr\u003e\u003cem\u003erecommended on a cabin this size\u003c\/em\u003e\n\u003c\/td\u003e\n\u003ctd\u003eAdds the \u003cstrong\u003eNjord heat shield\u003c\/strong\u003e and the \u003cstrong\u003eHalo guard rail\u003c\/strong\u003e. The heat shield cuts the required clearance to combustible timber from 200 mm to 50 mm. The guard rail stops anyone brushing against the hot stones.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWithout safety pack\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHeater and stone cage only. Suits an install where clearance is generous and the sauna is for your own use.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\n\u003cp\u003eEvery gas option includes the heater, the Orbis stone cage, and our fitting and commissioning. \u003ca href=\"\/collections\/gas-sauna-heaters\"\u003eSee the full gas heater range →\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch3\u003eOr choose electric or wood-fired above\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eElectric\u003c\/strong\u003e — a Harvia heater with a full stone load for soft, steady löyly, integrated controls and a 2-year warranty. At 8.6 m³ take the 8 kW. Needs a dedicated circuit installed by a qualified electrician; budget £400–£1,200 for a garden supply on top of the heater.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWood-fired\u003c\/strong\u003e — a Harvia M-series stove. No electrics at all, a real fire, and the traditional way to run a cabin like this. We fit the flue on installation day. If you are in a smoke control area, check the model against DEFRA's exempt appliance register first — see our \u003ca href=\"\/blogs\/news\/sauna-in-smoke-control-area\"\u003esmoke control area guide\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003e2-year warranty\u003c\/h3\u003e\n\u003cp\u003eTwo years on the structure and on the heater, whichever heat source you choose. Covers manufacturing defects and workmanship.\u003c\/p\u003e\n\n\u003ch3\u003eWhere to put it\u003c\/h3\u003e\n\n\u003cp\u003eA cabin like this is a building, not a piece of garden furniture, so it is worth thinking about placement before delivery day rather than after.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eOrientation.\u003c\/strong\u003e Point the glazing at whatever you actually want to look at — and preferably away from a neighbour's windows. South-facing glass gains useful warmth in winter but can make the room uncomfortably bright on a summer evening; west-facing catches the sunset, which for most people is when a sauna gets used.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eClearance.\u003c\/strong\u003e Leave \u003cstrong\u003eat least 300 mm\u003c\/strong\u003e behind and to the sides for air to circulate and for you to get round it with a paintbrush. Timber boxed tightly against a fence stays damp, and damp timber is what fails.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003ePlanning permission.\u003c\/strong\u003e Most garden saunas fall under permitted development, but there are exceptions for size, height, position relative to boundaries, and listed or conservation areas. Our \u003ca href=\"\/blogs\/news\/sauna-planning-permission-uk-guide\"\u003eplanning permission guide\u003c\/a\u003e covers the detail — worth ten minutes before you order.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDrainage.\u003c\/strong\u003e Ground should fall gently away from the base. Standing water under a timber building will shorten its life regardless of how well it was built.\u003c\/p\u003e\n\n\u003ch3\u003eWhich heat source?\u003c\/h3\u003e\n\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eElectric\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSet-and-forget, thermostat controlled, no fire to tend. Needs a dedicated circuit and an electrician — usually the largest hidden cost on a garden sauna.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWood-fired\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThe traditional method and the best heat, but you tend a fire, clear ash, and sweep the flue. Restricted in smoke control areas unless the stove is DEFRA-exempt.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGas (propane)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo cable, no trench, no electrician. Runs off a standard bottle, comes up in under 20 minutes, and works in a power cut. Unrestricted by smoke control rules.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\n\u003cp\u003eOur honest steer: if you already have power at the far end of the garden, electric is the least fuss. If you do not, \u003cstrong\u003egas usually costs less than running a new supply\u003c\/strong\u003e and gets you there faster. Wood-fired is for people who want the ritual and have somewhere for the smoke to go. Our \u003ca href=\"\/blogs\/news\/wood-fired-vs-gas-vs-electric-sauna\"\u003efull comparison\u003c\/a\u003e goes through the running costs.\u003c\/p\u003e\n\n\n\u003ch3\u003eLead time — please ask before you order\u003c\/h3\u003e\n\u003cp\u003eLead times vary with stock and specification — anything from \u003cstrong\u003e2 to 12 weeks\u003c\/strong\u003e. Ask us before you commit and we will give you the real date for the exact build you want, not an optimistic one.\u003c\/p\u003e\n\n\u003ch3\u003eGetting it into your garden\u003c\/h3\u003e\n\u003cp\u003eAt around 1100 kg this is the heaviest cabin in the range. The pallet needs a driveway or hard standing, and we would recommend a concrete slab rather than paving on gravel for the base.\u003c\/p\u003e\n\n\u003cp\u003eIt needs a \u003cstrong\u003elevel, load-bearing, well-draining base\u003c\/strong\u003e — paving slabs on a compacted sub-base or a concrete pad. Our construction service starts at \u003cstrong\u003e£500\u003c\/strong\u003e, and we apply insulating paste between every panel as we build, which is the single biggest factor in whether a sauna holds its heat properly. \u003ca href=\"\/blogs\/news\/sauna-installation-uk\"\u003eFull installation guide\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eOptions\u003c\/h3\u003e\n\u003cp\u003eChoose your heater above.  \u003ca href=\"\/pages\/contact\"\u003eAsk us anything\u003c\/a\u003e before you commit.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eImages are manufacturer renders. The heater shown is illustrative — your heater choice is made above.\u003c\/em\u003e\u003c\/p\u003e\n","brand":"Steam \u0026 Oak","offers":[{"title":"No heater — cabin only","offer_id":62484819345795,"sku":"SO-HONKA345-SHELL","price":7950.0,"currency_code":"GBP","in_stock":true},{"title":"Harvia electric 6 kW","offer_id":62484819378563,"sku":"SO-HONKA345-E60","price":8430.0,"currency_code":"GBP","in_stock":true},{"title":"Harvia electric 8 kW","offer_id":62484819411331,"sku":"SO-HONKA345-E80","price":8450.0,"currency_code":"GBP","in_stock":true},{"title":"Wood-fired — Harvia M series","offer_id":62484819444099,"sku":"SO-HONKA345-WOOD","price":8720.0,"currency_code":"GBP","in_stock":true},{"title":"Gas — Botnia 81, no safety pack","offer_id":62484819476867,"sku":"SO-HONKA345-GB","price":9745.0,"currency_code":"GBP","in_stock":true},{"title":"Gas — Aurora 81, no safety pack","offer_id":62484819509635,"sku":"SO-HONKA345-GA","price":9945.0,"currency_code":"GBP","in_stock":true},{"title":"Gas — Botnia 81 with safety pack","offer_id":62484819542403,"sku":"SO-HONKA345-GBS","price":10045.0,"currency_code":"GBP","in_stock":true},{"title":"Gas — Aurora 81 with safety pack","offer_id":62484819575171,"sku":"SO-HONKA345-GAS","price":10245.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/1187\/1619\/files\/HIGI_XL.jpg?v=1788038467","url":"https:\/\/www.steamandoak.co.uk\/products\/steam-oak-honka-345-sauna-cabin","provider":"Steam\u0026Oak","version":"1.0","type":"link"}