Window & double glazing installers in Northamptonshire
194 companies · 22 towns & cities
Northamptonshire has 194 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.
Local climate (2025)
Annual rainfall578mm
Frost days27
Max gust recorded94km/h
Temperature range-3.9° to 31.3°C
578mm of rain and 27 frost days in 2025 (35% less rain than the UK average) — worn seals and single glazing let more of that in here than in a drier county.
Source: Open-Meteo historical archive, 2025 daily readings for Northamptonshire.
Largest towns in Northamptonshire
Northampton85 companiesKettering23 companiesWellingborough19 companiesCorby15 companiesRushden13 companiesBrackley8 companiesDaventry6 companiesTowcester5 companiesSywell4 companiesNorthants3 companiesThrapston2 companiesBurton Latimer1 company
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Northampton (85)Kettering (23)Wellingborough (19)Corby (15)Rushden (13)Brackley (8)Daventry (6)Towcester (5)Sywell (4)Northants (3)Thrapston (2)Burton Latimer (1)Earls Barton (1)Finedon (1)Harpole (1)Hartwell (1)Higham Ferrers (1)Hinton In The Hedges, Brackley (1)Irthlingborough (1)Northamptonshire (1)Raunds (1)West Haddon (1)