{"product_id":"steam-oak-kesa-480-sauna-garden-room","title":"Steam \u0026 Oak Kesä 480 XL Sauna Garden Room — Lounge, Sauna and Terrace","description":"\u003cp\u003eThe Kesä 480 XL is the largest building in the range: \u003cstrong\u003e6.81 m\u003c\/strong\u003e across in total, with sliding patio doors onto a lounge, a separate sauna room, and a covered terrace big enough to furnish properly.\u003c\/p\u003e\n\n\u003cp\u003eBuilt in \u003cstrong\u003e70 mm solid log\u003c\/strong\u003e, 4.61 m deep.\u003c\/p\u003e\n\n\u003ch3\u003eA garden room first, with a sauna built in\u003c\/h3\u003e\n\n\u003cp\u003eThe extra width over the Kesä 460 goes into the lounge — \u003cstrong\u003e2.6 m\u003c\/strong\u003e rather than 2.0 m — and into a 2 m covered terrace. That is the difference between a room you change in and a room you would actually sit in with people.\u003c\/p\u003e\n\n\u003cp\u003eSliding patio doors open the lounge to the terrace, so in summer the two become one space. The sauna room keeps its own door off the lounge.\u003c\/p\u003e\n\n\u003ch3\u003eWhy 70 mm logs\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eSolid 70 mm log\u003c\/strong\u003e throughout. On the sauna side that is thermal mass — walls that store heat and hold temperature steadily. On the lounge side it is a building with enough substance to use in spring and autumn, not just high summer.\u003c\/p\u003e\n\n\u003cp\u003eAvailable in black or natural spruce.\u003c\/p\u003e\n\n\u003ch3\u003eSpecification\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBuilding\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLounge, sauna room and covered terrace\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTotal width\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6810 mm (4810 building + 2000 terrace)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDepth\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4610 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLounge\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eapprox. 2600 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSauna room\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eapprox. 2000 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHeated sauna volume\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eapprox. 8.2 m³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWalls\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e70 mm solid log\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDoors\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSliding patio doors to the lounge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFinish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack or natural — tell us your choice\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eapprox. 2800 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 70 mm log walls\u003c\/li\u003e\n\u003cli\u003eSauna benches\u003c\/li\u003e\n\u003cli\u003eSliding patio doors, glazed doors and windows\u003c\/li\u003e\n\u003cli\u003eInternal partition wall\u003c\/li\u003e\n\u003cli\u003eCovered terrace structure and posts\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 the sauna on gas — no electrician, no cable across the garden\u003c\/h3\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's quote you had not budgeted for.\u003c\/p\u003e\n\n\u003cp\u003eThe sauna room is around 8.2 m³, so the 8.1 kW heater is well matched to it.\u003c\/p\u003e\n\n\u003cp\u003eOne honest caveat on a building this size: \u003cstrong\u003egas heats the sauna room, not the rest of the building\u003c\/strong\u003e. If you want the lounge heated in winter too, you will need a power supply for that regardless — so the gas option makes most sense if the lounge is a three-season space, or if you are heating it another way.\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.\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 building used by guests\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, integrated controls and a 2-year warranty. On a building like this you are likely running a supply out anyway for lighting and sockets, so the marginal cost of a sauna circuit is lower than on a standalone cabin. Budget £400–£1,200 for the garden supply itself.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWood-fired\u003c\/strong\u003e — a Harvia M-series stove. No electrics needed for the sauna at all. 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\u003ePlanning permission — read this before you order\u003c\/h3\u003e\n\n\u003cp\u003eThis matters more on a garden room than on a small sauna, and we would rather you knew now.\u003c\/p\u003e\n\n\u003cp\u003eMost garden buildings fall under \u003cstrong\u003epermitted development\u003c\/strong\u003e, but the rules have real limits. The ones that catch people out:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTotal footprint.\u003c\/strong\u003e Outbuildings must not cover more than half the land around the original house.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeight near a boundary.\u003c\/strong\u003e Within 2 m of a boundary, the whole building is limited to \u003cstrong\u003e2.5 m\u003c\/strong\u003e — which a building like this will exceed. Site it further in, or you are into a planning application.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eListed buildings and conservation areas.\u003c\/strong\u003e Different rules apply, and they are stricter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSleeping accommodation\u003c\/strong\u003e is not permitted development. A lounge is fine; a guest bedroom is not.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eOur \u003ca href=\"\/blogs\/news\/sauna-planning-permission-uk-guide\"\u003eplanning permission guide\u003c\/a\u003e goes through it properly. If in doubt, a call to your council's planning department costs nothing and settles it.\u003c\/p\u003e\n\n\u003ch3\u003eThe base\u003c\/h3\u003e\n\n\u003cp\u003eA building of this size and weight needs a \u003cstrong\u003econcrete slab\u003c\/strong\u003e — level, load-bearing and well drained. Paving on gravel is not sufficient here. Budget \u003cstrong\u003e£800–£2,000\u003c\/strong\u003e for the base depending on ground conditions and access, and have it laid and cured before delivery day.\u003c\/p\u003e\n\n\u003cp\u003eGround should fall gently away from the slab. Timber sitting in standing water fails regardless of how well it was built.\u003c\/p\u003e\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.\u003c\/p\u003e\n\n\u003ch3\u003eGetting it into your garden\u003c\/h3\u003e\n\u003cp\u003eAt roughly 2800 kg across multiple pallets, this needs proper access — a driveway or hard standing for unloading, and room to move long logs to the build position. Send us photographs of the route before you order and we will tell you honestly whether it will work.\u003c\/p\u003e\n\n\u003cp\u003eOur construction service starts at \u003cstrong\u003e£500\u003c\/strong\u003e, and on a building this size we would strongly recommend it — we apply insulating paste between every panel as we build, which is the single biggest factor in whether the sauna holds its heat. \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. Finish comes in black or natural spruce — tell us your preference when you order. \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. Furniture and hot tub not included.\u003c\/em\u003e\u003c\/p\u003e\n","brand":"Steam \u0026 Oak","offers":[{"title":"No heater — building only","offer_id":62484830519683,"sku":"SO-KESA480-SHELL","price":17950.0,"currency_code":"GBP","in_stock":true},{"title":"Harvia electric 6 kW","offer_id":62484830781827,"sku":"SO-KESA480-E60","price":18430.0,"currency_code":"GBP","in_stock":true},{"title":"Harvia electric 8 kW","offer_id":62484830814595,"sku":"SO-KESA480-E80","price":18450.0,"currency_code":"GBP","in_stock":true},{"title":"Wood-fired — Harvia M series","offer_id":62484830847363,"sku":"SO-KESA480-WOOD","price":18720.0,"currency_code":"GBP","in_stock":true},{"title":"Gas — Botnia 81, no safety pack","offer_id":62484830880131,"sku":"SO-KESA480-GB","price":19745.0,"currency_code":"GBP","in_stock":true},{"title":"Gas — Aurora 81, no safety pack","offer_id":62484830912899,"sku":"SO-KESA480-GA","price":19945.0,"currency_code":"GBP","in_stock":true},{"title":"Gas — Botnia 81 with safety pack","offer_id":62484830945667,"sku":"SO-KESA480-GBS","price":20045.0,"currency_code":"GBP","in_stock":true},{"title":"Gas — Aurora 81 with safety pack","offer_id":62484830978435,"sku":"SO-KESA480-GAS","price":20245.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0988\/1187\/1619\/files\/magnus_natural.jpg?v=1788039041","url":"https:\/\/www.steamandoak.co.uk\/products\/steam-oak-kesa-480-sauna-garden-room","provider":"Steam\u0026Oak","version":"1.0","type":"link"}