Colvic Countess 37 Information, Review, Specs

Colvic Countess 37 Drawing
Make
Colvic
Model
Countess 37
Builder
Colvic Craft
Designer
Ian Anderson
Number Built
Production Year(s)
1986 - ??

The Colvic Countess 37 stands as the flagship of the collaboration between the prolific Essex-based builder Colvic Craft and the esteemed naval architect Ian Anderson. Introduced in the late 1970s and produced through the 1980s, the Countess 37 was designed to meet a specific demand in the British and European markets for a robust, high-volume cruiser capable of offshore passages while remaining manageable for a cruising couple. Unlike many of its contemporaries that prioritized sleek lines, the Countess 37 utilized its generous 12-foot 6-inch beam to provide an internal volume more commonly associated with 40-foot vessels of that era. As was common with Colvic’s business model, these boats were offered both as factory-finished yachts and as high-quality GRP hulls and decks for professional or amateur completion. This "kit boat" heritage means that while the structural integrity of the hulls is remarkably consistent, the internal joinery and systems can vary significantly from one hull to the next.

Sailing Performance & Handling

The Countess 37 is a heavy-displacement cruiser, typically tipping the scales at approximately 19,000 lbs (8,600 kg). With a high Displacement-to-Length (D/L) ratio exceeding 300, the boat is designed for sea-kindliness and stability rather than light-air agility. It features a moderate-to-high ballast ratio, often utilizing a long fin keel or a twin-bilge keel configuration. The bilge keel versions are particularly sought after in regions with high tidal ranges, such as the East Coast of England or the French coast, as they allow the vessel to dry out upright.

Under sail, the Countess 37 is described by owners as a "stiff" boat that carries its canvas well into a freshening breeze. Because of its beam and weight, it requires a Force 4 to truly find its stride. The steering—typically a cable-driven wheel—is geared for control rather than delicate feedback, reflecting its purpose as a long-distance cruiser. While it may not point as high as a narrower Sparkman & Stephens design, its momentum allows it to punch through a heavy chop with minimal hobby-horsing. The rig was most commonly stepped as a masthead sloop, though several ketch-rigged versions exist. The ketch configuration offers a more versatile sail plan for short-handed crews, allowing the "jib and jigger" approach in heavy weather. Technical insights into the hull's stability can be found through the Countess Owners Association, which serves as a repository for Anderson’s design specifications.

Interior Comfort & Variations

The defining characteristic of the Countess 37 is its immense interior living space. The model was produced in two distinct deck moldings: the Center Cockpit (CC) and the Aft Cockpit (AC). The Center Cockpit version is the more common of the two, favored for its "great cabin" aft, which provides a level of privacy and headroom rarely seen in 37-footers. This layout typically includes a walk-through from the saloon, often housing a dedicated navigation station and a sea-berth.

In the saloon, the beam is utilized to its fullest extent, offering a large U-shaped dinette and a linear galley that provides significant storage for long-term victualling. Headroom is excellent throughout, often exceeding 6-foot 4-inches in the main cabin. Because many of these yachts were home-completed, the materials used range from standard marine-grade plywood with teak veneers to bespoke solid-hardwood fit-outs. The Aft Cockpit version, while sacrificing the massive aft stateroom, provides a larger, deeper cockpit that many traditionalists prefer for blue-water safety. The 37-foot hull was also the direct successor to the smaller Countess 33, sharing much of the same design DNA but offering significantly more elbow room in the heads and galley areas.

Known Issues & Buyer’s Checklist

Prospective buyers of a Colvic Countess 37 must approach the survey with a focus on the "kit-built" nature of the fleet. While the hulls are over-engineered GRP monoliths, the secondary bonding of bulkheads and the installation of systems were not always performed to factory standards.

  1. Hull Osmosis: Like many British hulls from the late 70s and early 80s, the Countess 37 can be prone to osmotic blistering if not epoxy-treated. While rarely a structural threat, it is a common negotiation point during a survey.
  2. Internal Fit-Out Quality: Inspect the secondary bonding where bulkheads meet the hull. In amateur-finished boats, look for signs of movement or "creaking" in the joinery, which indicates the bulkheads were not properly tabbed to the hull.
  3. Chainplate Leaks: The wide decks of the Countess mean the chainplates are often subjected to significant lateral loads. Check the undersides of the side decks for water ingress, which can rot the plywood pads typically used as backing plates.
  4. Engine Access: While the engine rooms on the Center Cockpit models are generally spacious, the plumbing and wiring can be a "nest" if not updated by subsequent owners. Verify the age and condition of the fuel tanks, which are often mild steel and prone to internal corrosion.
  5. Window Sealing: The large salon windows are a hallmark of the design but are notorious for developing leaks over decades of thermal expansion. Replacing these seals is a common and necessary maintenance task.

Community & Resources

The Countess 37 enjoys a dedicated following, primarily centered in the United Kingdom. The Countess Owners Association is the primary technical resource for the model, providing members with original Ian Anderson drawings, sail plans, and advice on the specific nuances of the 33 and 37-foot hulls. Because the builder, Colvic Craft, is no longer in operation, this community-led technical wiki is the most reliable source for refit information.

The Verdict

The Colvic Countess 37 is a "gentleman’s cruiser" that prioritizes comfort, safety, and longevity over raw speed. It is a vessel built for the realities of the North Sea and the English Channel, offering a secure platform for those who value interior volume and the ability to live aboard for extended periods.

Pros:

  • Exceptional Volume: Offers the living space of a much larger yacht.
  • Robust Construction: Solid GRP hull with no core to rot below the waterline.
  • Versatile Configurations: Options for bilge keels and ketch rigs suit diverse cruising needs.
  • Affordability: Generally offers high value-for-money on the used market.

Cons:

  • Variable Finish: Internal quality depends heavily on the original builder or DIYer.
  • Heavy Air Dependency: Sluggish in light winds (under 10 knots).
  • Dated Aesthetics: High freeboard and "chunky" lines lack the elegance of contemporary performance cruisers.

Measurements

Construction & Hull

Construction Material
Fiberglass
Hull Type
Monohull Sailboat
Keel Type
Fin
Rudder
1x Skeg-Hung
Ballast
7716 lbs
Displacement
19048 lbs
Water Capacity
-
Fuel Capacity
-

Dimensions

Length Overall (LOA)
37.4 ft
Waterline Length (LWL)
29.53 ft
Beam
12.8 ft
Draft
5.58 ft
Max Headroom
-
Air Draft
-
Hover over a measurement
IJPE FS LOALWL

Rig & Sails

Rig Type
Cutter
P (Main Luff)
-
E (Main Foot)
-
I (Foretriangle Height)
-
J (Foretriangle Base)
-
Forestay Length (est)
-
Sail Area
-

Calculations

Sail Area / Displacement (SA/D) Ratio
Ballast / Displacement Ratio
40.51
Displacement / Length Ratio (D/L) Ratio
330.23
Comfort Ratio
30.95
Capsize Screening Formula
1.92
Hull Speed
7.28 kn