J. W. and A. Upham Ltd.

Boat builder · UK

Models

2

Years active

1969–1975

Length overall

10.7–10.7 m

(35–35 ft)

Hull types

2 mono

Models

Model	Years	LOA	Hull	Designer
SOVEREIGN 35	1972	10.67 m	Monohull	Holman & Pye
SUPER SOVEREIGN	1969–1975	10.67 m	Monohull	Holman & Pye

Models per decade

1960s

1

1970s

1

Designers of J. W. and A. Upham Ltd.

Holman & Pye (2)

Last updated 30 December 2025