Think outside (or within!) the box:
Have a look at this...might be something to consider:
http://www.worldarchitecturenews.com/index.php?fuseaction=wanappln.projectview&upload_id=10217
(I will copy it here in case it is a problem clicking onto that site)
"Travelodge container hotel opens in Uxbridge, UK
Travelodge, the budget hotel company, have completed their first recycled hotel made out of shipping containers. The 86 containers used in the Uxbridge hotel were prepared in China with plasterboard walls, electrics and bathrooms already in place before being shipped to the UK, stacked and assembled like lego pieces. The containers are simply bolted together and once installed at the site, windows are fitted, the modules are decorated and furnished, and then the exterior of the building is cladded.
The steel containers used were two different sizes and allowed for 120 rooms and a Bar/Cafe to be installed. The containers are fully re-useable and can simply be disassembled and shipped off to the next location if necessary.
Verbus Systems - a joint business venture between consulting engineers, Buro Happold and constructor, George & Harding has developed its unique modular construction system over the last four years. The design innovation is being considered a revolution for temporary accommodation at festivals and major sporting events due to the ease and speed in which the buildings can be taken apart and reassembled....."
http://news.bbc.co.uk/2/hi/uk_news/england/london/7563272.stm
Altho marketed for highrise (commercial) projects, here is an extension to an existing hotel looking very much like a traditional house....
http://www.verbussystems.com/projects/project-c.html
not saying you have to order these modules but perhaps it might be possible to do what verbus did and use the containers as a frame and go from there.
Glad to hear you all are ok!
Diana