Company Origins and Development

William Osborne Ltd, established in Littlehampton on the south coast of England, became one of the most respected names in British boatbuilding throughout the 20th century. Renowned for their craftsmanship, attention to detail, and elegant design, Osborne boats served a range of purposes—from luxurious private cruising to vital military service. Their vessels were often characterised by classic lines, durable timber construction, and thoughtful layouts tailored to the needs of discerning clients.

William Osborne began operations in the early 20th century, focusing initially on traditional wooden boats. By the interwar period, the company had developed a reputation for motor cruisers of outstanding quality. Their shipyard in Littlehampton, West Sussex, became a hub of both innovation and traditional craftsmanship.

During the Second World War, the Admiralty commissioned Osborne to build fast launches, tenders, and other utility craft. This wartime production expanded the company’s technical capabilities and influence, establishing it as a serious naval contractor. Many of these vessels were later decommissioned and converted for private use, remaining afloat today as testament to their robust design.


Bird-Named Classes

From the 1930s through to the 1960s, William Osborne produced a distinctive line of semi-production cruisers named after birds—typically birds of prey or agile flyers—reflecting the elegance and performance of these motor yachts.

Eagle Class

  • Length: Approx. 40–45 ft
  • Intended Use: Coastal and offshore cruising
  • Features: Spacious wheelhouses and saloons, twin diesels, fine lines with generous beam
  • Interior: Often finished in richly varnished hardwoods with separate owner’s and crew accommodations
  • Notes: Designed for luxury and stability; many have been preserved as classic yachts

Falcon Class

  • Length: Typically 35–40 ft
  • Design: Semi-displacement hulls with elegant sheerlines and high-quality timberwork
  • Use: Private leisure craft; excellent for both estuary and coastal use
  • Construction: Mahogany planks over oak frames, often with teak decking
  • Notable Vessel: Gerfalcon, believed to be an evolved or customised Falcon-class cruiser

Swallow Class

  • Length: Approx. 30–35 ft
  • Role: Designed for rivers and sheltered coastal waters (e.g., the Thames or Norfolk Broads)
  • Features: Lower freeboard, lighter construction, refined lines
  • Interior: Typically open-plan, optimised for day cruising or short stays

Other Named Classes: Kestrel, Osprey, etc.

  • Often one-off or small batch variants tailored for private clients
  • Shared a common design language with the above classes
  • Examples remain in private ownership and on historic vessel registers

Express Cruiser Class

  • Length: Ranged from 30 to 45 ft
  • Purpose: High-speed cruising, some for commercial or charter use
  • Design: Fast semi-planing hulls, often with twin screw diesel propulsion
  • Examples: Osborne 40, 42, and 44
  • Performance: Designed for speed and comfort; still admired for their seakeeping and aesthetic lines

Naval and Admiralty Craft

During and after WWII, Osborne constructed vessels for the Royal Navy and Royal Air Force, including:

  • RAF High-Speed Launches (HSLs)
  • Pinnaces and Tenders
  • Range Safety Launches
  • Harbour Launches
  • Admiralty Motor Boats

These vessels featured robust timber construction, reinforced frames, and practical layouts. While some were built to Admiralty standards, others were custom designs tailored to operational needs.


Collaboration with John I. Thornycroft & Co.

Osborne maintained a productive relationship with Thornycroft, a respected British marine engineering firm. This collaboration enhanced Osborne’s builds through shared expertise:

Shared Engineering Expertise

  • Thornycroft petrol and diesel engines were commonly used in Osborne boats
  • Hull designs sometimes drew on Thornycroft’s innovations in high-speed naval craft

Military Craft

  • Some Osborne-built Admiralty vessels were influenced by Thornycroft designs
  • Particularly relevant for crash boats and range safety launches built for government contracts

Joint Projects

  • Though both firms remained independent, many Osborne builds benefited from Thornycroft’s engineering married with Osborne’s fine finish

Custom Yachts and Later Production

William Osborne also built bespoke yachts tailored to specific owners’ needs. These were usually:

  • Mahogany-on-oak construction
  • Lavishly appointed interiors with custom layouts
  • Often without class designation and named individually

Later, the company experimented with GRP (glass-reinforced plastic) hulls, though only a handful were completed before the firm ceased operations in the 1970s.


Legacy

Today, William Osborne boats are regarded as treasured examples of British maritime heritage. Many are maintained by dedicated private owners, maritime trusts, and historical societies. A number have earned places on the National Historic Ships Register and the Association of Dunkirk Little Ships. Their elegance, durability, and historic significance ensure that Osborne vessels remain icons of classic yacht design.

William Osborne and Gerfalcon: A Legacy of Craftsmanship

The Gerfalcon holds a distinguished place in British maritime history as a product of William Osborne Ltd., one of the country’s most respected yacht and motor cruiser builders. Based in Littlehampton, West Sussex, Osborne’s shipyard was renowned for its quality craftsmanship and pioneering designs throughout the early to mid-20th century.

From archival issues of The Motor Boat magazine dated 1937 and 1938, it is evident that William Osborne Ltd. was at the forefront of small cruiser innovation during the interwar period. These publications document the launch of the Osborne Falcon Junior, a twin-engined 33-ft. 6-in. cruiser, built of English oak and Columbian pine, and powered by Morris Navigator petrol engines—characteristics that closely match those originally found in Gerfalcon.

A detailed entry in the 24 September 1937 edition of The Motor Boat highlights the design's key features: a self-draining cockpit, a forward cabin layout, dual 12–24 h.p. engines, and modern amenities for its time. The Falcon Junior was designed to accommodate four passengers with considerable comfort, offering modern streamlining, dedicated galley facilities, and finely constructed interior spaces—testament to Osborne’s vision for luxury and functionality on the water.

An accompanying photograph from 18 March 1938 shows cruisers under construction at the Osborne yard, further reinforcing Gerfalcon’s provenance. Though William Osborne Ltd. no longer holds records of the individual vessel, a letter from the director dated 28th February 1990 confirms that Gerfalcon was built in 1938 and originally fitted with Morse Navigator engines.

As stated in the letter below, the yard retains no specific documentation on the vessel. This absence of records is widely attributed to a devastating fire at the William Osborne shipyard, believed to have occurred in the mid-to-late 20th century, which resulted in the loss of many original drawings, specifications, and client archives. While the exact date of the fire is uncertain, it is a known and lamented event among historians and former employees alike.

Today, Gerfalcon endures not only as a lovingly restored vessel but also as a living tribute to Osborne’s proud heritage and Britain’s tradition of maritime excellence.

The Challenge of Preserving Wooden Boats

Maintaining classic wooden boats is both difficult and costly. These vessels require specialist knowledge, traditional craftsmanship, and bespoke materials—resources that are increasingly scarce. As time passes, the skills, tools, and timber required to restore and maintain these historic craft become harder to find and more expensive to employ.

This image illustrates the fate of many such boats. Despite their heritage, when neglected or lacking support, they are often left to deteriorate beyond recovery. The vessel shown has sadly been sat on the bottom of the Thames for some two years now—a stark reminder of the vulnerability of our maritime legacy.

Sunken wooden boat in the Thames

Registered Vessels

There are currently only eight known William Osborne-built vessels left on the National Historic Ships Register that were constructed before 1950.

These rare examples of pre-war and wartime craftsmanship highlight the exceptional quality and enduring legacy of Osborne’s wooden boatbuilding. Each surviving vessel stands as a testament to the yard’s attention to detail, traditional construction methods, and contribution to both private yachting and national service during a defining era of British maritime history.

1. Inspiration II (1931)

Inspiration II

Type: Motor Yacht

Length: 30 ft

Dunkirk: Yes

History: One of the smallest Little Ships at 30ft, built by Osborne. Participated in the Dunkirk evacuation, later restored and preserved in her original white hull.

ADLS Profile

2. Gerfalcon (1937)

Gerfalcon motor yacht

Type: Motor Yacht

Length: 34 ft

Dunkirk: Yes

History: Built as a private yacht, served as RN Auxiliary patrol craft in WWII, participated in Dunkirk evacuation. Currently under restoration.

ADLS Profile | National Historic Ships Profile

3. Naiad Errant (1939)

Naiad Errant

Type: Motor Yacht

Length: 32 ft

Dunkirk: Yes

History: Prototype of Osborne’s Swallow Senior class, served at Dunkirk with detailed accounts of Operation Dynamo service.

ADLS Profile | National Historic Ships Profile

4. Helinda (1939)

Helinda (White Ghost II)

Type: Eagle Class Motor Cruiser

Length: 40 ft

Dunkirk: Yes

History: Originally launched as White Ghost II, she served as a patrol boat during WWII. Now privately maintained.

National Historic Ships Profile

5. HMS Medusa (HDML 1387) (1943)

HMS Medusa

Type: Harbour Defence Motor Launch

Length: 72 ft

Dunkirk: No

History: Built in 1943 and refitted by Osborne in 1946. A D-Day veteran, now a fully operational historic vessel maintained by the Medusa Trust.

Official Website | National Historic Ships Profile

6. Little Ann II (1946)

Little Ann II motor yacht

Type: Motor Yacht

Length: 26 ft

Dunkirk: No

History: A Swift Junior-class motorboat built in 1946. Restored by Alain Lamens. Not a Dunkirk Little Ship but representative of post-war Osborne craftsmanship.

7. Albaquila (1947)

Albaquila motor yacht

Type: Twin Screw Motor Yacht

Length: 47 ft

Dunkirk: No

History: Timber yacht, attended the 1977 Spithead Review. Restored extensively between 2008–2013.

National Historic Ships Profile

8. The Doctors (1960)

The Doctors lifeboat

Type: Oakley Class Lifeboat

Length: 37 ft

Dunkirk: No

History: Built by Osborne in 1960, served at Anstruther from 1965. Launched 62 times and saved 21 lives.

National Historic Ships Profile

9. Mary Pullman (1964)

Mary Pullman lifeboat

Type: Oakley Class Lifeboat

Length: 37 ft

Dunkirk: No

History: Served at Kirkcudbright 1965–1989. Launched 71 times and saved 23 lives. Now displayed at Baytree Garden Centre, Weston Spalding.

National Historic Ships Profile

10. Birds Eye (1970)

Birds Eye lifeboat

Type: Oakley Class Lifeboat

Length: 37 ft

Dunkirk: No

History: Served at New Quay, Cardigan until 1990. Launched 76 times and saved 40 lives.

National Historic Ships Profile

11. Sir William Arnold (1973)

Sir William Arnold lifeboat

Type: Arun Class Lifeboat

Length: 52 ft

Dunkirk: No

History: Served at Guernsey (1973–1997), 500+ launches, 223 lives saved. Famous for rescuing 29 people from MV Bonita. Rededicated in 2022.

National Historic Ships Profile | Official Website

12. Har-Lil (1968)

Har-Lil lifeboat

Type: Oakley Class Lifeboat

Length: 37.5 ft

Dunkirk: No

History: Built for RNLI, served at Rhyl until 1990. Multiple restorations. Currently privately owned in South Ferriby.

National Historic Ships Profile

William Osborne Boats Currently for Sale

1969 Osborne Watson 47 Lifeboat – Katie May

Katie May lifeboat

Type: Watson Class Lifeboat

Length: 47 ft

Location: Conwy, Wales

Price: Approximately £40,000

Details: A classic lifeboat converted for leisure use, featuring twin Gardner 5LW diesel engines, wooden hull, and displacement design.

Listing on Daily Boats

1959 Osborne Watson 47 Lifeboat

1959 Watson 47 lifeboat

Type: Watson Class Lifeboat

Length: 47 ft

Location: United Kingdom

Price: £25,000

Details: A well-maintained example of the Watson Class lifeboats, offering traditional design and robust construction.

Listing on The Yacht Market

1936 William Osborne Littlehampton – Wanda

Wanda motor yacht

Type: Classic Motor Yacht

Length: 9.5 m

Location: Otterndorf, Germany

Price: €65,000

Details: A 9.5m wooden motor yacht with twin Leyland diesel engines, offering classic charm and comfortable accommodation.

Listing on Boat24

1947 Osborne Motor Yacht – Albaquila

Albaquila motor yacht

Type: Classic Motor Yacht

Length: 48 ft

Location: Liverpool, UK

Price: Offers invited on £125,000

Details: A 48ft motor yacht extensively restored between 2008 and 2013, featuring twin Perkins 120hp engines and registered with the National Historic Ships Register.

Listing on Henley Sales & Charter

1939 Osborne Swallow Senior Class Motor Yacht – Skitawit II

Skitawit II motor yacht

Type: Swallow Senior Class Motor Yacht

Length: 32 ft

Location: Briare, France

Price: Please contact broker

Details: A rare pre-war design with mahogany hull and twin Volvo MD 2030D engines, ideal for estuary and coastal cruising.

Listing on Classic Yacht Brokerage