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Quiz: How much does it cost to replace windows in a 100 m² house?
Published 11/10/2026 1 min readInspiration

Quiz: How much does it cost to replace windows in a 100 m² house?

How much does it cost to replace windows in a 100 m² house? The answer: a realistic budget of £1,600–£3,000 including installation, sills, and finishing — plus what to watch out for.

A simple quiz: how much does it cost to replace windows in a 100 m² house (7–9 windows)? Write down your answer — the solution is below. ## The Solution - Standard PVC windows: £120–£180/unit + installation £50–£80 → £1,200–£2,400 for the whole house. - Wooden windows: 1.5–2× more expensive. - Windows with integrated blinds: +£60–£120/unit. - Additionally: internal sills £15–£30/unit, reveal finishing £20–£40/opening. Realistic budget: £1,600–£3,000 for a 100 m² house with good quality PVC windows. ## What to watch out for - Installations based on estimates without precise measurements — a guessing game, not a quote. - Offers with an all-inclusive price list — without detailed breakdown of openings. - A++ class windows at budget prices — usually just a premium for the brand logo. If your quote was higher — compare several offers on LocalTrader. Window pricing is based on window size.

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