The extension is built under the entire garden in a design that rebalances narrow vertical family spaces for their brief for modern living - but without impacting the listed structure. The gardenwas removed and replaced on top of a fully insulated, well-ventilated concrete and masonry box to provide a new family chill-out space.
In one corner a volume, built from reclaimed bricks, houses new shower / utility space to make a third storey underpinning under the old rear ‘closet’ wing. By separating the garden completely from the house, this extruded masonry box is expressed vertically through fritted structural glazing that makes a bridge for access from the ground level to the walled garden; and the southerly aspect allows angled sun to penetrate the new lower level throughout the day.