Wall Insulation Panel Series

A series of wall insulating panels ("WIPs") for a modular wall insulating system, each WIP comprising at least the successive layers of: a first protective shell, one or more intermediate VIP panels; and a second protective shell. The WIPs of the series comprise two or more sets, each set comprising first and second protective shells having wholly or substantially the same outer dimensions, and at least first and second sets comprising a different number of the same VIP panels and/or differently shaped VIP panels. In this way, there can be provided to an architect, designer and/or installer of the WIPs, different sets of VIP wall insulation panels having a single 'shape' or 'outer shape'. The designer, etc. can then more easily work out, plan or otherwise predict how many and which WIPs are required and where, both overall, and for each wall section, position or location, etc.