Heating and cooling
So how do you stay warm inside your new glazed space? It’s not just a question of wearing more layers, you know; the Conservation of Fuel and Power building regulations (part L) sets out some stringent rules that you must meet on thermal efficiency, which apply to extensions as well as new buildings.
With this in mind, companies specialising in glass extensions take measures to reduce heat loss. For example, the glass used should be coated with a metal oxide that allows heat and light to pass through, while stopping heat from leaving; and, naturally, the more layers of glazing the better. As always, and especially if you have a large glazed space in your home, you should consider investing in underfloor heating, or trench radiators that lie flush to the floor.
Of course, it’s just as important to keep the space cool in summer, otherwise you’ll overheat inside your own mini Eden Project. The more greenery you have surrounding the structure, the more shade it will get, but if you go too far, you’ll stop the sun from getting through altogether, so be considerate with your landscaping plans. More practical options include fitting blinds.
Glass extension specialist GlasSpace supplies a blind system that fits in between the glazed panels, or you can get a special window film that reflects the sun’s heat and UV penetration (go to www.abodewindowfilms.co.uk). Structural solutions include overhanging roofs that will look super-cool and provide a nice bit of shading, and you should consider installing air conditioning, too (go to www.air-conditioning-company.co.uk).
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