Soane's rough survey of the ground floor of house and offices (recto) shows its irregular character. The original house evidently consisted of a room 17 feet 10 inches by 25 feet 6½ inches lit by two windows and an entrance with hall and stair to which was added at some time a further room slightly stepped-back from the main (south) front. Coach house and stables are to the right (east), the domestic offices are to the north behind the house. The part elevation of the south front (verso) shows a two-storey wing to the left and a two-storey with attic front to the right with a pedimented entrance in the centre. A wall section has floor-to-ceiling heights of 12 feet and 10 feet 1 inch.

Soane's rough designs (recto): four plans and an elevation all seek to regularize the new front to the east, giving it a central entrance with 'a large window' on each side. The most ambitious plan has a bowed centre fronted by a segmental porch. The elevation shows a three-bay, two-storey front with a steep pediment over each end bay. A comparison with drawing 16, an unexecuted design of 1797, shows a similar front with a balconied porch on a square plan in the centre.