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A south-facing living room that turns into a greenhouse every July is rarely a manufacturing fault — it’s a spec mismatch. Here’s why the U-value on your quote only tells half the story, and what to ask about g-value, coatings, shading and air movement before you sign.
Trickle vents are the least glamorous part of a new window, and plenty of homeowners would happily bin them. But when you replace windows in a UK home, ventilation rules and energy rules arrive together. Here is the straight talk on when that little grille is genuinely required — and what happens if it is missed.
Every showroom is plastered with rainbow labels promising A++ performance, but the letter on the sticker rarely tells the whole story. Here's how UK homeowners can decode U-values, solar gain and frame specs — and work out when chasing the top rating is money well spent, and when it isn't.