Window & double glazing installers in Kent
478 companies · 41 towns & cities
Kent has 478 active window and glazing businesses on the Companies House register. Choose a town below to see the companies listed there, or request free quotes from FENSA or Certass registered installers covering your postcode.
Why Kent homeowners are upgrading their windows
Kent took 636mm of rain and 31 frost days in 2025 — the freeze / thaw cycles that lift seals, warp frames and let moisture creep in behind old glazing. Across the county's 759,851 households, 81% live in a house (detached, semi or terraced) — that's a lot of Kent homes with 8 – 12 windows each, most fitted with early double-glazing units that are well past their sealed-argon life.
Get 3 free quotesFree quotes below from FENSA / Certass installers active in Kent — no obligation, most respond within 48 hours.
Weather: Open-Meteo historical archive, 2025 daily readings for Kent.Housing: ONS Census 2021 (tables TS041 households, TS044 accommodation type), aggregated across Kent's local authorities.
Largest towns in Kent
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