The following tips will help you to achieve this goal.
Small steps
Trim trees and shrubs that block sunlight entering your windows
Trimming trees will enable more natural light into your home.
Medium steps
Keep the heat in your home and consider installing thermal curtains with good quality lining
Thermal curtains are specially designed to increase the insulation around your windows and retain more heat within your home.
Big steps
Look for a warm and dry house when buying or renting
Look for things that indicate dampness, like mould or lack of sunlight when
choosing the right house.
Choose a home that makes good use of the sun
North-facing windows get more sun and help heat your home.