Window & double glazing installers in Wiltshire
186 companies · 23 towns & cities
Wiltshire has 186 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 Wiltshire homeowners are upgrading their windows
Wiltshire took 759mm of rain and 24 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 310,943 households, 86% live in a house (detached, semi or terraced) — that's a lot of Wiltshire 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 Wiltshire — no obligation, most respond within 48 hours.
Weather: Open-Meteo historical archive, 2025 daily readings for Wiltshire.Housing: ONS Census 2021 (tables TS041 households, TS044 accommodation type), aggregated across Wiltshire's local authorities.
Largest towns in Wiltshire
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