18 Tips To Reduce Condensation and Damp; 1. Ensure Washing Machine Is Correctly Vented, 2. Dry Clothes Outdoors, 3. Close Kitchen & Bathroom Doors, 4. Use Pan Lids When Cooking, 5. Turn On Extractor Fan When Taking A Shower, 6. Stop Using Portable Gas & Paraffin Heaters, 7. Cover Up Fish Tanks & Aquariums, 8. Wipe Down Cold Surfaces, 9. Don't Overfill Wardrobes & Cupboards, 10. Move Furniture Away From External Walls, 11. Ensure Your Property Has Adequate Heating, 12. Open Windows When Weather Outside Is Warmer, 13. Install Double Glazing, Loft & Wall Insulation, 14. Install An Extractor Fan.