In the very rear of the house lives the bathroom complete with a flush toilet, vessel vanity, linen storage, and a large shower with tile accents. (rockymountaintinyhouses.com)
25 mm Xtratherm PIR sandwiched behind timber to provide continuous insulation from lower roof to external insulation at rear of house (passivehouseplus.ie)
Added one story addition off rear of house that includes, domed ceiling, fireplace, and screen porch (hambletonc.com)