Access to the long colonnades that llink the seven blocks would have been possible either from the north courtyard facing the river, or through the open, southern ends of the two colonnades adjoining the Queen's House. The seven-block scheme would have provided far more bed accommodation than any of the previous schemes, and was probably prepared soon after the meeting of thee Grand Committee on 21 May 1695, to illustrate how it would be possible 'to make provision for a much greater number' of seamen'. In the All Souls plan (Geraghty 2007, no. 194) each ward has 108 'cabins' (partitioned bed areas) per floor, producing a total of 324 cabins for each three-storey ward and 3,888 for the 12 wards that lie south of the hall and chapel ranges. This compares with the 2376 marked as the total accommodation in the 'side-step scheme' , and half this figure, 1944, for the number of cabins in the later four-block scheme  (a reduction of the seven-block scheme by 6 out the 12 wards). More cabins could have been provided in the seven-block scheme in the base blocks of the King Charles Court and its pendant, bringing the total to well over 4,000. This is approaching the 5000 men that were said to be accommodated at Les Invalides.
Wren and Hawksmoor relied heavily on engravings in Le Jeune de Boullencourt's Description Generale de l'Hostel Royale des Invalides (Paris, 1683) for the design of the dome and ward blocks. The dome has an attenuated version of the Invalides lantern and adopts its unusual configuration of piers and consoles rather bays on the cardinal axes (although here with 16 rather than 12 bays). The high-sided, double-pitched mansard roofs and stone-banded wall elevations resemble those of the Invalides ward ranges.
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Contents of  Seven-block scheme, 1695
- [3/1] Front elevation, showing the north elevation of the Queen's House and alternatives, left and right, for the design and positioning of the domes, dome vestibules, colonnades and front porticoes of the hall and chapel ranges
- [3/2] Long elevation (right half) of the east elevation of the west range of seven blocks
- [3/3] Long elevation (left half) of the east elevation of the west range of seven blocks
- [3/4] Finished drawing of the west elevation, with revisions to the design of the dome