The Evolution 25, a quintessential product of the late 1970s British cruiser-racer boom, represents the core design philosophy of Julian Everitt during his tenure with Evolution Yachts Ltd. in Southampton. Designed to bridge the gap between high-performance racing and family-oriented coastal cruising, the 25 is frequently categorized alongside its slightly later sibling, the Evolution 26. In fact, historical records from Julian Everitt Design suggest the two models share a near-identical DNA, with the "25" designation often applied to early production units or those measured strictly by their 25-foot deck length rather than their 25.75-foot overall length. Built at Willments Shipyard, the vessel was a pioneer in the use of fully retractable lifting keels, a feature that allowed the boat to "take the ground" in the tidal harbors of the Solent while maintaining the pointing ability of a fixed-keel yacht.
Evolution 25 Information, Review, Specs

- Make
- Evolution
- Model
- 25
- Builder
- Evolution Yachts Ltd.
- Designer
- Julian Everitt
- Number Built
- 55
- Production Year(s)
- 1980 - 1984
Sailing Performance & Handling
The Evolution 25 is defined by its responsiveness and its ability to punch above its weight class in light to moderate air. Drawing heavily from Julian Everitt’s experience in the Quarter Ton racing circuit, the hull features a relatively narrow entry that widens into a generous beam, providing significant initial stability. According to technical archives from the designer, the boat was intended to be "easily handled by a family, yet rewarding for the expert."
The defining characteristic of its handling is the fully retractable, vertically lifting keel. Unlike many swing-keel contemporaries, the Evolution 25's keel remains a high-aspect-ratio foil when fully lowered, which significantly improves tracking and minimizes leeway compared to shallow-draft competitors. With the keel up, the boat draws less than a foot of water, making it a favorite for "creek crawling" and trailering. However, sailors should note that because it is a relatively light-displacement boat (approximately 3,500 lbs), it can feel lively in a chop. Owner anecdotes often suggest that reefing early is essential; once the gunwale is pressed, the boat’s speed plateaus, but kept upright, it is remarkably fleet for a 25-footer.
Interior Comfort & Variations
The interior of the Evolution 25 is a study in 1970s spatial efficiency. The layout typically features a "four-berth" configuration: a V-berth in the forepeak and two long settee berths in the main saloon that extend under the cockpit (quarter berths). While the headroom is modest—standard for a performance-oriented 25-footer of this era—the cabin feels airy due to the lack of a permanent central keel trunk, a benefit of the Everitt lifting keel design which often integrates the housing into the table or a bulkhead.
Variations between the 25 and its sibling, the Evolution 26, are most noticeable in the cockpit and internal joinery. While the 25 often featured a more utilitarian finish with molded GRP surfaces and teak trim, the later 26 models sometimes incorporated more extensive wood cabinetry. The galley is rudimentary, usually consisting of a two-burner stove and a small sink, sufficient for weekend coastal hops but demanding of organization for longer stays.
Known Issues & Buyer’s Checklist
Prospective buyers should focus their inspection on the unique mechanical aspects of the Everitt design. The lifting keel mechanism is the primary "high-signal" area for maintenance; the wire pennants and the winch system that raise the heavy iron foil are subject to corrosion and fatigue. If the keel has not been dropped and the wire replaced in the last five years, it should be considered an immediate service item.
Another common concern in the Evolution range is the deck core. Like many British boats of the era, balsa was used for stiffening; moisture ingress around stanchion bases or the mast step can lead to delamination, manifesting as "spongy" sections underfoot. Additionally, the rudder bearings on the Evolution 25 are known to develop play over time, leading to a vibrating helm at high speeds. Finally, check the "keel box" for any signs of stress fracturing where it joins the hull, as grounding events can put significant leverage on this structural junction.
Community & Resources
The primary hub for technical support is the Evolution Yachts Owners Association, a dedicated group of enthusiasts who maintain records on the E22, E25, and E26 models. While the builder, Evolution Yachts Ltd., ceased operations in 1981, Julian Everitt’s own design firm remains a valuable repository for original sail plans and hull specifications.
The Verdict
The Evolution 25 is an intelligent choice for the sailor who demands performance but is restricted by shallow moorings or the desire to trailer the vessel. It is a boat that rewards an active hand on the tiller and offers a level of versatility that modern, fixed-keel production boats rarely match.
Pros:
- Exceptional Draft Flexibility: The fully retractable keel allows for beaching and shallow-water exploration.
- Performance Pedigree: Faster and more agile than most 25-foot cruisers of the same vintage.
- Trailability: When the keel is fully retracted, the boat sits low on a trailer, making it easier to transport than many competitors.
Cons:
- Maintenance Intensive: The lifting keel mechanism requires regular inspection and occasional parts replacement.
- Limited Headroom: Taller sailors will find the cabin cramped for extended stays.
- Weight Sensitivity: Performance suffers significantly when overloaded with heavy cruising gear.
Measurements
Construction & Hull
- Construction Material
- Fiberglass
- Hull Type
- Monohull Sailboat
- Keel Type
- Lifting
- Rudder
- 1x —
- Ballast
- 1700 lbs (Iron)
- Displacement
- 5050 lbs
- Water Capacity
- -
- Fuel Capacity
- -
Dimensions
- Length Overall (LOA)
- 25.75 ft
- Waterline Length (LWL)
- 20.5 ft
- Beam
- 9.33 ft
- Draft
- 5 ft
- Max Headroom
- -
- Air Draft
- -
Rig & Sails
- Rig Type
- Masthead Sloop
- P (Main Luff)
- 29.2 ft
- E (Main Foot)
- 10.8 ft
- I (Foretriangle Height)
- 26 ft
- J (Foretriangle Base)
- 8.8 ft
- Forestay Length (est)
- 27.45 ft
- Sail Area
- 272 sqft
Calculations
- Sail Area / Displacement (SA/D) Ratio
- 14.78
- Ballast / Displacement Ratio
- 33.66
- Displacement / Length Ratio (D/L) Ratio
- 261.69
- Comfort Ratio
- 18.05
- Capsize Screening Formula
- 2.18
- Hull Speed
- 6.07 kn