Information

Many bathrooms have extractor fans already, and the good news is that existing fans are “grandfathered” in.

In quite a state, so upgrade the kitchen to modern standards, install new flooring, new electrical fittings, and do a full repaint.

If you installed new insulation to meet the 2016 insulation requirements you are going to be ok.

If your house has a “sub-floor space” (which means you can get under the house) you need to put polythene over the ground.

It will be rare that the heating assessment will be below the 2.5kw level

Using The calculator is time-consuming and not easy