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A prefabricated foldable building module including a central core comprising first and second opposing fixed walls with roof and floor beams interposed therebetween; a plurality of vertically foldably connected walls mounted upon the first and second walls foldable out therefrom; a pair of roof pane

A prefabricated foldable building module including a central core comprising first and second opposing fixed walls with roof and floor beams interposed therebetween; a plurality of vertically foldably connected walls mounted upon the first and second walls foldable out therefrom; a pair of roof panels, each foldably connected adjacent said roof beam; a pair of floor panels each foldably connected adjacent floor beam: characterized in that the wall panels, roof panels and floor panels may be folded out from their supporting structures in a defined sequence to form an enclosed/partly enclosed building structure, and may be re-folded in reverse sequence to original configuration. Standard modules can be stretched, or joined side by side, end to end or one on top of the other to form larger buildings.

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1. A prefabricated, foldable building module, including: a central core, including a central roof portion, a central floor portion and two opposing fixed walls extending between the central roof portion and the central floor portion;a plurality of foldable wall panels including side wall panels each

1. A prefabricated, foldable building module, including: a central core, including a central roof portion, a central floor portion and two opposing fixed walls extending between the central roof portion and the central floor portion;a plurality of foldable wall panels including side wall panels each foldably connected to one of the opposing fixed walls and foldable out therefrom and end wall panels each foldably connected to one of the side wall panels and foldable out therefrom;roof panels, each being foldably connected to the central roof portion and foldable out therefrom such that the roof panels swing outwards and upwards on opposite sides of the central core;floor panels, each being foldably connected to the central floor portion and foldable out therefrom such that the floor panels swing outwards and downwards on opposite sides of the central core,wherein the module is moveable between, a folded configuration, in which the foldable wall panels, roof panels and floor panels are stowed at least one of partially within and substantially adjacent the central core, andan erected configuration, in which the wall panels are outwardly folded from the central core such that the side walls extend from the two opposing fixed walls and the end walls extend between the respective side walls, the floor panels are outwardly folded from the central core so as to extend from opposing sides of the central floor portion and the roof panels are outwardly folded from the central core so as to extend from opposing sides of the central roof portion,wherein in the erected configuration, the central roof portion is recessed relative to tops of the end wall panels and leading edges of the roof panels are positioned inside of and below the tops of the end wall panels such that the roof panels slope downwardly toward the central roof portion, andwherein the central roof and floor portions are each narrower in plan form than the two opposing fixed walls so as to define recesses between ends of the two opposing fixed walls and side edges of the respective central roof and floor portions, the recesses providing a depth such that the roof panels, floor panels and at least one of the plurality of foldable wall panels are received by the recesses in the folded configuration. 2. The prefabricated, foldable building module according to claim 1, wherein, in the erected configuration, the side walls and the end walls are higher than the roof panels so as to form a parapet above the roof panels. 3. The prefabricated, foldable building module according to claim 2, wherein the parapet is configured to allow multiples of the module to be joined together, one on top of the other, to form multi-level structures. 4. The prefabricated, foldable building module according to claim 1, wherein, in the erected configuration, the leading edges of the roof panels are coupled to the end wall panels below the tops of the end wall panels. 5. The prefabricated, foldable building module according to claim 1, wherein in the erected configuration, leading edges of the roof panels are connected by at least one of a pin or clip to the end wall panels below and inside the tops of the end wall panels. 6. The prefabricated, foldable building module according to claim 1, wherein, in the erected configuration, foldably connected edges of the roof panels are at least partially elevated relative to the central roof portion so as to direct water captured by the roof panels to the central roof portion. 7. The prefabricated, foldable building module, according to claim 1, wherein the roof panels each include an upturn at the respective leading edges thereof and the end wall panels each include a corresponding extruded capping sleeve running along an inside top thereof into which the corresponding upturn fits in the erected configuration so as to be weatherproof. 8. The prefabricated, foldable building module, according to claim 1, wherein the central roof portion includes two beams extending along opposing sides of the central roof portion, the roof panels each being connected to a respective one of the two beams. 9. The prefabricated, foldable building module according to claim 1, wherein the central roof portion includes a gutter for directing water captured by the roof panels. 10. The prefabricated, foldable building module according to claim 1 wherein the central roof portion is arranged to direct water toward at least one of the opposing fixed walls of the central core. 11. The prefabricated, foldable building module according to claim 1, wherein the roof panels and the floor panels are arranged to swing into the erected configuration after the foldable wall panels have unfolded, such that the roof panels and the floor panels are wholly enclosed within the foldable wall panels, and outer edges of the floor and roof panels are supported directly or indirectly by the foldable wall panels. 12. The prefabricated, foldable building module according to claim 1, wherein the roof panels are arranged to swing into the erected configuration after the foldable wall panels have unfolded, such that the roof panels do not require any additional support whilst the foldable wall panels unfold into the erected configuration. 13. The prefabricated, foldable building module according to claim 1, wherein the end walls present a substantially flush outer surface so as to allow abutment with other modules. 14. The prefabricated, foldable building module according to claim 1, wherein the side walls and the end walls each have substantially flush outer surfaces arranged such that multiples of said module in the erected configuration may be joined together at any of the side walls and end walls to create larger structures in a variety of configurations. 15. A prefabricated, foldable building module according to claim 1, wherein the side walls and the end walls have substantially flush outer surfaces such that in the erected configuration multiples of the module may be joined together, side by side, either fully interfaced or partly offset, and where corresponding openings may be made at the interface between modules. 16. The prefabricated, foldable building module according to claim 1, wherein a further module in the erected configuration may be joined together with the module, end on end, and where at an interface of the module and the further module, an end wall panel of the further module may be omitted. 17. The prefabricated, foldable building module according to claim 1, wherein in the folded configuration, the foldable wall panels, the roof panels, and the floor panels lie substantially co-planar to each other adjacent open sides of the central core such that the module presents as a rectangular shaped box structure. 18. The prefabricated, foldable building module according to claim 1, further including associated infill panels and wherein in the erected configuration the infill panels are fitted between the end wall panels. 19. The prefabricated, foldable building module according to claim 1, wherein, the central floor portion is wider in plan form than the central roof portion such that in the folded configuration the roof panels are located within the recesses inwardly of the floor panels. 20. A method of assembling a building from a prefabricated, foldable building module, the method including the steps of: folding wall panels connected to opposing fixed end walls of a central core of the module outwardly from within recesses on opposing sides of the central core to form outer walls of the building, the recesses being provided between ends of the opposing fixed end walls and side edges of a respective central roof and floor portions of the central core, the central roof and floor portions being each narrower in plan form than the fixed end walls, and the wall panels including side wall panels foldably connected to the ends of the opposing fixed end walls of the central core and end wall panels foldably connected to the side wall panels;folding floor panels connected to the central floor portion outwardly from the recesses and downwardly relative to the central floor portion of the central core so as to form a floor between the outer walls of the building; andfolding roof panels connected to the central roof portion outwardly from within the recesses and upwardly relative to the central roof portion supported by the fixed walls of the central core so as to form a roof between the outer walls of the building over the floor, the roof panels being supported by and positioned inside of and below tops of the end wall panels such that the roof panels slope downwardly toward the roof portion. 21. The method according to claim 20, further including the step of: securing leading edges of the folding roof panels to inside faces of the end wall panels by at least one of a clip and pin fitted between the end wall panels and the folding roof panels.