Here is a simple reconstitution using the usual materials ( card and styrofoam).
Remember to keep it on the small size. Mine is 7cm lenght (not counting the base), 4,5cm width and 7 cm height.
The information came from the web were you can see different interpretations as the original house exists no more and the new one doesn't seem to be a fair replica. I mixed several of these interpretations for the final result.
And now let's get back to Waterloo in 28mm.
Why? Have no idea!