Window & double glazing installers in Devon
311 companies · 53 towns & cities
Devon has 311 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 rainfall1,060mm
Frost days23
Max gust recorded95km/h
Temperature range-4.5° to 28.4°C
1,060mm of rain and 23 frost days in 2025 (20% more 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 Devon.
Largest towns in Devon
Plymouth61 companiesExeter39 companiesNewton Abbot15 companiesExmouth12 companiesBarnstaple11 companiesTorquay11 companiesCrediton10 companiesBideford9 companiesIvybridge9 companiesPaignton8 companiesSaltash8 companiesKingsbridge7 companies
Need a window installer in Devon?
Free, no-obligation quotes from FENSA or Certass registered installers near you.
Get Free Quotes →All towns in Devon
Plymouth (61)Exeter (39)Newton Abbot (15)Exmouth (12)Barnstaple (11)Torquay (11)Crediton (10)Bideford (9)Ivybridge (9)Paignton (8)Saltash (8)Kingsbridge (7)Liskeard (7)Tiverton (7)Totnes (7)Cullompton (6)Devon (6)Holsworthy (6)St Austell (5)Axminster (4)Bude (4)Cornwall (4)Launceston (4)Tavistock (4)Teignmouth (4)Wadebridge (4)Brixham (3)Dawlish (3)Beaworthy (2)Bodmin (2)Callington (2)Chulmleigh (2)Ilfracombe (2)Lostwithiel (2)Okehampton (2)Seaton (2)Braunton (1)Camelford (1)Fowey (1)Hemyock (1)Honiton (1)Landkey (1)Looe (1)Padstow (1)Pensilva (1)Shaldon (1)Sidmouth (1)South Molton (1)Southleigh (1)Stenalees (1)Torpoint (1)Torrington (1)Umberleigh (1)