Find the answers to your solid wall insulation questions:
If your home was built in the past 20 years, it's likely that the cavity walls have already been insulated.
If your home is more than 100 years old, it's likely to have solid walls. That means you'll need solid-wall insulation to stop heat from escaping.
There is little financial help available for solid wall insulation. Contact your council's energy-efficiency officer to find out if something might be available in your area. Certain households might qualify for the .
Planning permission is not normally required for wall insulation.
However, if your property is listed, is in a conservation area or if the insulation will change the appearance of your property, you should consult your local planning authority.
Make sure you choose an installer registered with one of the following organisations:
Also check that your installer has signed up to a code of conduct, such as the NIA's Code of Professional Practice.
You can also contact Simple Energy Advice with any questions by calling 0800 444202.
You can buy jackets to fit around your hot water cylinder and piping, which are available from DIY stores and can be fitted yourself, provided that your pipes are easily accessible.
The energy savings are smaller than with wall or loft insulation but, as jackets cost around £15, they pay for themselves in a year or less.
You can also reduce the amount of heat lost in your home by fitting draught excluders for doors, windows and letterboxes opening on to the outside. Gaps between skirting boards and floorboards are also worth tackling.
also cuts heat loss and also reduces noise and condensation problems. You can expect savings of up to £115 a year on bills if you replace whole-house single glazing with double glazing. Remember to close your curtains at dusk to stop heat escaping.