Design Rules for Adding On by Jamie Fisher Use these nine principles to design an addition that blends with the existing house 0/JLC • NEW ENGLAND EDITION • NOVEMBER 1995 JLC • NEW ENGLAND EDITION • NOVEMBER 1995 If the basic goal of the project is just to get more room inside the house, try to design an "invisible" addition — an enlarged version of the original house that's not noticeable as an addition. Resist the impulse to design a symmetrical house (far left), and think instead of balance (left). You'll have much greater design flexibility, and the results will be more interesting. GO FOR BALANCE Symmetry looks right, but it's often easier to create balance. Symmetry invariably forces constraints on a design,