How much insulation do I need in my loft conversion?

The amount of insulation needed in your loft will vary depending on the size of your loft, the type of insulation you choose and the amount of heat loss you want to reduce and where in the loft you plan to install the insulation. Generally, the more insulation you have the better and the more you will save on your heating bills.

How much insulation do I need in a loft conversion?

If you are planning to do a loft conversion, then you will need to make sure that you have put in the right amount of insulation. This is because the more insulation you have in your loft, the better it will be for your home and your wallet. If you have a Loft Insulation Calculator, then you will be able to get a better idea of the amount of insulation that you should be using.

How much insulation do I need in a loft conversion with cavity walls?

The amount of insulation needed in a loft conversion with cavity walls is slightly different to the amount needed in a loft conversion without. The biggest difference between the two is the thickness of the insulation, and the requirements for the type of insulation.

How much insulation do I need in a new-build extension?

For a new-build extension, the general minimum requirement for the insulation thickness for the loft is 4.5 cm (1.8 in) of mineral wool, or equivalent, placed in the joists. If you are adding loft insulation for the first time, it’s important to check you have the correct amount of material in the loft.

How much insulation do I need in a loft extension?

The amount of insulation you need in your loft conversion will depend on a number of factors. Firstly, you’ll need to consider the size of the loft and the amount of natural insulation there is. Having a large open area will mean you need more insulation as it will be easier for heat to escape.