{"product_id":"alu-concept-70-h-4-41m-x-4-18m-garden-room-aluminium-sliding-doors-fully-installed-mainland-uk","title":"ALU Concept 70 H | 4.41m x 4.18m Garden Room | Aluminium Sliding Doors | Fully Installed | Mainland UK","description":"\u003ch2\u003eALU Concept 70 H | 4.41m x 4.18m Garden Room | Aluminium Sliding Doors | Fully Installed Across Mainland UK\u003c\/h2\u003e\u003cp\u003eThe ALU Concept 70 H is a beautifully proportioned 4.41m x 4.18m Nordic garden room that brings genuine quality and modern Scandinavian design to any outdoor space. With 16.1m² of indoor floor area, 70mm slow-grown Nordic spruce massive log construction, a flat roof with storm-secured wall beams, and a full-width aluminium sliding door configuration, this is a building that is as practical as it is striking.\u003c\/p\u003e\u003cp\u003eThe door arrangement — a 400cm x 206cm sliding set paired with a 200cm x 206cm sliding set — opens the building generously to the garden, flooding the interior with natural light and creating a seamless indoor-outdoor connection. Whether you are setting it up as a home office, a garden gym, a yoga studio, a pool room, a hobby room, or a family retreat, the ALU Concept 70 H gives you a high-quality, adaptable space that will serve you for decades and hold its value long into the future.\u003c\/p\u003e\u003cp\u003eThe price shown includes the \u003cstrong\u003efull supply and professional installation\u003c\/strong\u003e of your ALU Concept 70 H anywhere on \u003cstrong\u003eMainland UK\u003c\/strong\u003e, including the \u003cstrong\u003ebase preparation and installation\u003c\/strong\u003e and the \u003cstrong\u003ecomplete construction of the structure\u003c\/strong\u003e. There are no hidden costs and no separate groundworks quotes. What you see is what you pay.\u003c\/p\u003e\u003cp\u003eFor locations \u003cstrong\u003eoutside of Mainland UK\u003c\/strong\u003e — including islands and certain remote areas — please \u003ca href=\"\/pages\/contact\"\u003econtact us\u003c\/a\u003e for a tailored delivery and installation price before ordering.\u003c\/p\u003e\u003ch2\u003eEngineered for Strength and Longevity\u003c\/h2\u003e\u003cp\u003eThe ALU Concept 70 H is built to a specification that goes beyond the standard. 70mm slow-grown Nordic spruce massive logs deliver the wall mass and thermal performance that a year-round garden room demands. The roof construction uses massive roof beams and 18mm thick tongue-and-groove boards — a robust assembly that is rated for higher snow loads and built to perform in the full range of UK weather conditions.\u003c\/p\u003e\u003cp\u003eEvery kit includes a storm strip set that connects the bottom and top log on each wall, preventing individual wall beams from lifting in high winds. It is a detail that reflects the engineering rigour behind this building — designed not just to look good on day one, but to remain structurally sound for decades. The roof carries a 20cm all-round overhang, providing practical weather protection at the eaves and a clean, finished profile from every angle.\u003c\/p\u003e\u003cp\u003eWe install log cabins, garden rooms, garden offices, garden gyms, saunas, pool rooms, and all types of outdoor buildings across Mainland UK. Every installation is carried out by our own team, from foundation preparation through to final handover.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e16.1m² indoor floor area\u003c\/strong\u003e — 4.41m x 4.18m base footprint\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlat roof\u003c\/strong\u003e — ridge height 264cm — roof area 461cm x 438cm — 20cm all-round overhang\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e70mm slow-grown Nordic spruce massive logs\u003c\/strong\u003e — dense, durable, and thermally efficient\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMassive roof beams with 18mm tongue-and-groove boards\u003c\/strong\u003e — rated for higher snow loads\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorm strip set included\u003c\/strong\u003e — secures wall beams against wind uplift\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAluminium sliding doors:\u003c\/strong\u003e\u003cul\u003e\n\u003cli\u003e400cm x 206cm (main sliding set)\u003c\/li\u003e\n\u003cli\u003e200cm x 206cm (secondary sliding set)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eDouble-glazed tempered glass throughout\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eFloor included as standard\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNatural untreated finish\u003c\/strong\u003e — ready to treat, stain, or paint\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBase preparation and installation — included\u003c\/strong\u003e. No separate groundworks quote.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull structural build — included\u003c\/strong\u003e. Supply and construction of the complete building as part of the price.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull installation on Mainland UK — included\u003c\/strong\u003e. Professionally installed by our own team.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat Is Included in the Price?\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSupply and delivery of your ALU Concept 70 H\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBase preparation and installation — included\u003c\/strong\u003e. Thermal blocks, concrete slab, gravel pad, crawl-space, wooden post foundation, or paving stones — assessed and installed as part of the price. No separate groundworks quote.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull construction of the structure — included\u003c\/strong\u003e. The complete building, built and installed by our own team.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eFloor — included as standard\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAluminium sliding doors — included\u003c\/strong\u003e (400cm x 206cm and 200cm x 206cm sets, double-glazed tempered glass)\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eStorm strip set — included\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eSite clean-up and handover\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor locations outside of Mainland UK, please \u003ca href=\"\/pages\/contact\"\u003econtact us\u003c\/a\u003e for a delivery and installation price before ordering.\u003c\/p\u003e\u003ch2\u003eOptional Upgrades\u003c\/h2\u003e\u003cp\u003eThe following upgrades are available at an additional cost. All upgrade prices include supply and installation.\u003c\/p\u003e\u003ctable width=\"100%\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEPDM Rubber Roof Covering Upgrade\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e£1,250\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUpgrade the standard roof covering to a fully fitted, seamless EPDM rubber membrane — long-lasting, weatherproof, and the right choice for a flat roof. Price includes supply and installation.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFloor Insulation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e£720\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eInsulation board fitted beneath the floor for improved thermal performance underfoot. Price includes supply and installation.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRoof Insulation Package\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e£1,260\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFull roof insulation package to reduce heat loss and improve year-round comfort. Price includes supply and installation.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWall Insulation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e£1,875\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWall insulation fitted throughout to significantly improve thermal efficiency and reduce heating costs. Price includes supply and installation.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFull Insulation Package (Floor, Roof \u0026amp; Walls)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e£4,095\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThe complete insulation solution — floor, roof, and wall insulation combined. The best value option for year-round use. Price includes supply and installation.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003eFor all other requirements — including electrical packages, decking, plastering, painting, internal lining, and any other bespoke additions — these are priced entirely separately based on your specific needs. We can discuss and quote for these directly, or you are welcome to bring in your own trades. \u003ca href=\"\/pages\/contact\"\u003eContact us\u003c\/a\u003e to discuss your requirements.\u003c\/p\u003e\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\u003ctable width=\"100%\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eALU Concept 70 H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBase Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e441cm x 418cm (4.41m x 4.18m)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIndoor Floor Area\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16.1 m²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRoof Area\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e461cm x 438cm (20cm all-round overhang)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRidge Height\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e264cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRoof Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFlat roof\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRoof Construction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMassive roof beams with 18mm tongue-and-groove boards — rated for higher snow loads\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNumber of Floors\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConstruction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e70mm Nordic spruce massive logs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLog Profile\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e70mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWood Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNordic spruce, massive logs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStorm Strip Set\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIncluded — secures wall beams against wind uplift\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFinish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNatural (untreated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColour\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNatural wood (untreated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFloor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIncluded as standard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eExternal Doors\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminium sliding doors — 400cm x 206cm + 200cm x 206cm, double-glazed tempered glass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFoundation Options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThermal blocks, concrete slab, gravel pad, crawl-space, wooden post foundation, paving stones\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBase \u0026amp; Structure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIncluded in the price\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLead Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6–8 weeks from order confirmation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstallation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFully installed on Mainland UK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutside Mainland UK\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eContact us for a tailored price\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSuitable Use\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGarden room, home office, garden office, garden gym, yoga studio, pool room, hobby room, family retreat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eInterested? Let's Talk.\u003c\/h2\u003e\u003cp\u003eEvery project is different. \u003ca href=\"\/pages\/contact\"\u003eContact us today\u003c\/a\u003e and we will get back to you promptly.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eDoes the price include the base and the full build?\u003c\/h3\u003e\u003cp\u003eYes. The price includes base preparation and installation, and the complete construction of the structure. There are no hidden costs and no separate groundworks quotes.\u003c\/p\u003e\u003ch3\u003eIs the floor included?\u003c\/h3\u003e\u003cp\u003eYes — the floor is included as standard.\u003c\/p\u003e\u003ch3\u003eWhat is the storm strip set?\u003c\/h3\u003e\u003cp\u003eThe storm strip set is included in every kit. It connects the bottom and top log on each wall, preventing individual wall beams from lifting in high winds. It is a structural detail that ensures the building remains secure and weathertight in all conditions.\u003c\/p\u003e\u003ch3\u003eWhat types of buildings do you install?\u003c\/h3\u003e\u003cp\u003eWe install all types of garden buildings across Mainland UK — log cabins, garden rooms, garden offices, garden gyms, saunas, pool rooms, and more. Every installation is carried out by our own team from foundation to handover.\u003c\/p\u003e\u003ch3\u003eWhat foundation types are available?\u003c\/h3\u003e\u003cp\u003eWe can install on thermal blocks, a concrete slab, a gravel pad, crawl-space, wooden post foundation, or paving stones. The most appropriate option is assessed on a site-by-site basis and installed as part of the price.\u003c\/p\u003e\u003ch3\u003eDo you install outside of Mainland UK?\u003c\/h3\u003e\u003cp\u003eWe install across Mainland UK as standard. For island locations and areas outside of Mainland UK, please \u003ca href=\"\/pages\/contact\"\u003econtact us\u003c\/a\u003e before ordering and we will provide a tailored delivery and installation price.\u003c\/p\u003e\u003ch3\u003eCan I add insulation?\u003c\/h3\u003e\u003cp\u003eYes — insulation is available as an optional upgrade, with all prices including supply and installation. Floor insulation is £720, a roof insulation package is £1,260, wall insulation is £1,875, or the full floor, roof, and wall insulation package is £4,095. Please \u003ca href=\"\/pages\/contact\"\u003econtact us\u003c\/a\u003e to discuss the best option for your intended use.\u003c\/p\u003e\u003ch3\u003eCan I upgrade the roof covering?\u003c\/h3\u003e\u003cp\u003eYes — an EPDM rubber roof covering upgrade is available for £1,250. For a flat roof, EPDM is the right long-term choice — fully fitted, seamless, and virtually maintenance-free.\u003c\/p\u003e\u003ch3\u003eWhat about electrics, decking, plastering, and other specialist work?\u003c\/h3\u003e\u003cp\u003eAll specialist fit-out work is priced entirely separately based on your specific requirements. We can discuss and quote for these directly, or you are welcome to bring in your own trades. \u003ca href=\"\/pages\/contact\"\u003eContact us\u003c\/a\u003e to talk through what you need.\u003c\/p\u003e\u003ch3\u003eDo I need planning permission?\u003c\/h3\u003e\u003cp\u003eIn many cases a building of this size will fall within Permitted Development rights for residential properties in England and Wales, provided it is used as an ancillary garden building, is sited within the curtilage of a dwelling house, and does not cover more than 50% of the garden area. We always recommend confirming with your local planning authority before ordering.\u003c\/p\u003e\u003ch3\u003eWhat does the natural untreated finish mean?\u003c\/h3\u003e\u003cp\u003eThe building is supplied in its natural Nordic spruce finish — untreated and ready for you to apply your preferred exterior stain, oil, or treatment. We can also supply and apply an exterior treatment as an optional upgrade.\u003c\/p\u003e\u003ch3\u003eHow long does installation take?\u003c\/h3\u003e\u003cp\u003eTypically one to two days, depending on site conditions and foundation type. We will confirm the installation schedule with you in advance.\u003c\/p\u003e\u003ch3\u003eHow long does delivery take after ordering?\u003c\/h3\u003e\u003cp\u003eTypically 6 to 8 weeks from order confirmation. Please \u003ca href=\"\/pages\/contact\"\u003econtact us\u003c\/a\u003e if you have a specific deadline.\u003c\/p\u003e","brand":"Bespoke Oak and Slate","offers":[{"title":"Default Title","offer_id":62556034007370,"sku":null,"price":14750.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1026\/5572\/1802\/files\/alu_concept_70_h.webp?v=1782666866","url":"https:\/\/www.bespokeoakandslate.com\/products\/alu-concept-70-h-4-41m-x-4-18m-garden-room-aluminium-sliding-doors-fully-installed-mainland-uk","provider":"Bespoke Oak and Slate","version":"1.0","type":"link"}