Description

A rare luxury spec 2023 6-berth 60’ Colecraft-built shell, serial electric hybrid, extended semi cruiser stern narrowboat. Tethys was fitted out to an exceptionally high specification in 2023 and extensively updated by owners since launch. She's ready for your new silent cruising adventures.

Painted in Aston Martin Ocellus Blue metallic paint, blacked with 2-pack and protected by four anodes. Tethys Solaris has successfully navigated over 1000 miles of waterways, including the Avon, Severn, Thames rivers. She was also featured in Narrow Escapes season 2.

This is an exceptional boat offering a standard of luxury living not often found on the canals. The electric drive delivers silent cruising, hearing nothing but the occasional ripple of water against the hull and the sounds of birds signing along the canal. Why not take relaxation to an entirely new level?

Specifications

Accommodation

2 berth bedroom plus two double convertible berths, providing comfortable sleeping arrangements for up to six.

INTERNAL FROM BOW TO STERN:

A forward bow area offers two bench seats with cushions and lockers beneath. A forward bow locker includes a 25kg Danforth anchor and chain as well as bow thruster access. LED strip lighting. Fresh water filling access.

INTERIOR: Generic Fixtures and Fittings
The ceilings, cabin sides and hull sides are lined with light American oak and cream panels. There are matching blinds to all windows. Solid wood oak planking throughout with fitted carpet in the bedroom and saloon for warm feet in winter.

FORWARD KING BEDROOM 10ft
Hardwood, double glazed front doors, open out onto the front deck with steps leading into the bedroom.
Furniture: To the right, theres a floor-to-ceiling double wardrobe, while a corner cupboard sits to the left. Two additional under gunwale cupboards either side of the designer radiator. Under-gunwale LED lighting, and additional storage options are integrated. The extending double to king bed includes a vented mattress base with extensive storage beneath, including a large Yale digital safe. The orthopedic mattress includes a luxury 3” cool-foam topper. Fitted carpet over solid oak floor.
Lighting: 2x 3 double glazed top opening Caldwells privacy windows. 8x 12v LED dimmable ceiling lights. 3 x 12v LED under gunwale/ceiling strip lights.
Electrics: 8x 240v sockets and 10x built in USB ports. Closet tube radiators. Wi-Fi connected in-ceiling Google smart speaker. Ceiling mounted Google smart smoke/CO detector. Google Nest security camera for remote monitoring when moored.

BATHROOM 5ft 8in
The shower room has a marble-style tiled suite comprising:
Suite: Features a large format marble-style tiled suite, including a full size corner shower enclosure with a new Hans Grohe luxury thermostatic rainfall shower and glazed bi-fold doors. A vanity unit houses a ceramic wash basin with a chrome mixer tap, along with a drawers below for additional storage. The room also includes a Compoost separator composting toilet with integrated carbon filter and a double mirrored vanity cabinet. Solid oak floor. Designer radiator. Two under gunwale storage cupboards.
Lighting: 1 x 8 top opening double glazed porthole with privacy glass. 4x 12v LED dimmable ceiling lights. Under gunwale and over cabinet LED strip lights. 12v extractor fan and gulper. Wi-Fi connected in-ceiling Google smart speaker.

SALOON 9ft 2in
From the bathroom, you step into the central saloon:
Furniture: Cabinets and display shelving beneath and either side of the integrated under-gunwale TV unit. An L-shape ruby fabric sofa-bed converts to a double bed with integral storage beneath. Integral wine rack.
Fitted carpet over solid oak floor.
Heating: A Lockgate Refleks diesel fired stove situated on a raised quartz hearth and tile back.
Lighting: 2 x 3 top opening double-glazed privacy windows, 1x opening triple-glazed skylight with solar reflective film complemented by six 12v LED dimmable ceiling lights for added brightness and under gunwale led strip lights.
Other Features: 42” LG OLED 4K TV
Electrics: 10x 240v sockets and 14 built in USB ports. 1x TV aerial point. Deco TP-Link 5G Router & TP Link network extender.

DINETTE 6ft 6in
The Pullman dinette easily converts into a 2-berth double bed, offering both functionality and comfort. Storage-area beneath seating along with a pull-out drawer and small 240V freezer.
Under gunwale cupboards provide excellent additional storage. An in-floor panel offers a hidden storage area. Large designer radiator.
Lighting: A pair of 2 steel side doors, lined with wood and fitted with sliding inner double-glazed doors, along with a 3 top-opening window. The space is illuminated by four 12v LED dimmable ceiling lights, a feature pendant table light and under-gunwale LED strip lights.
Electrics: There are four 240v sockets and eight built-in USB ports. Wi-Fi connected in-ceiling Google smart speaker. Ceiling mounted Google smart smoke/CO detector. Google Nest smart learning thermostat.

GALLEY 7ft 8in
The walk-through galley has built in units in light oak and two-tone painted doors. Toe-kick drawers for additional storage. Worktops in light Techstone with antique mirrored backsplash. Solid oak flooring throughout the galley.
Lighting: 1x opening triple-glazed skylight with solar reflecting film. 1x 3 top opening window. 4x 12v LED dimming ceiling lights. LED strip lighting at floor level, ceiling level and inside glazed cabinets.
Appliances: Cookology dishwasher
NEFF hide & slide Wi-Fi oven
Induction hob 2 ring
Russell Hobbs fridge freezer
Sharp 800w microwave
Qettle 4in1 2L boiler tap
Delonghi espresso machine
Ninja 11-in-1 Air Fryer.
Amazon Echo Show 15 smart TV/display.
Electrics: 7x 240v Sockets and 8 x built in USB ports. Wi-Fi connected in-ceiling Google smart speaker. Google Nest security camera for remote monitoring when moored.

UTILITY 4ft 2in
From the galley, into the utility area:
Furniture: Full length storage, cupboards to either side. A cushioned seating area with coat hanging and storage drawers below. Slide and hide steps with integral storage and access to electrics and batteries to one side.
Lighting: 1x 12v LED ceiling lights.
Other Features: Hoover H-500 high efficiency 8Kg Wi-Fi washing machine; Wi-Fi connected in-ceiling Google smart speaker. Thermostatically controlled ventilation to electrical cupboard and coat drying. Battery isolator switch. Circuit breakers for 12v and 240v circuits.

LARGE SEMI-CRUISER STERN DECK 8ft 10in
From the utility, you step onto the cruiser deck:?Steel rear doors, wood panelled internally with sliding roof hatch leads to the extended cruiser-stern outdoor entertaining area. There is a cushioned steel locker/seat to both sides and the back with waterproof fabric made to measure cushions. Large bright pram hood with removable windows for maximum flexibility. The motor, generator, stern thruster and twin 55L calorifiers are housed in the large power-vented engine space under the soundproofed locking lift up floor panels.
Controls: Vetus throttle and joystick thruster controls and Vetus digital display for propulsion monitoring.

Nine 200W solar panels installed on the roof in two groups each connected to a Victron MPPT, providing a total solar output of 1.8kW. This renewable energy source helps support the electrical system and eliminate reliance on shore power, with a backup generator for added boost charging and high 240v consumption with auto-start.?The 6.5KVA Vetus GLX generator has a 12V starter battery charged through the alternator on the generator and a dedicated AA starter-battery charger for long-term storage or periods of low use.

For voltage regulation, the boat has two step-down converters to supply 12V power where needed from 48v: A Victron converter provides power for onboard leisure equipment; A Vetus converter is used for the engine and mechanical systems. All 48v propulsion systems have isolator switches.

WATER: The 900L integral freshwater tank is located beneath the well deck. 2x 55L calorifiers in the engine bay with 3-way hot water provided by immersion heaters, generator cooling or Webasto central heating diesel heater.

HEATING: Heating is provided by the Lockgate Refleks diesel fired stove in the saloon and the Google Nest controlled Webasto Thermotop Evo diesel fired central heating boiler running 3 radiators.

No gas on the boat.

Construction

Colecraft 10:6:4 steel shell with integral diesel tank and fresh water tank. Professional fit-out by Oakums Narrowboats Ltd.
INSULATION? Spray foam insulation behind the cabin linings
Interior Headroom: 6′ 5″?Well Deck: 3′ 6″?Draught: 2′ 1″

Equipment

ELECTRICS:
The joystick-controlled bow and stern thrusters are the Brushless Boosted Vetus Bow Pro models. These are the operating at 48V with 185mm blade. The thruster control is connected to the NMEA2000 network through a dedicated 12V feed from the generator starter battery, their main power supply comes directly from a 48V 800AH LiFePO4 battery bank. The battery bank consists of four 51.2V (16 cell) batteries, each providing 200Ah capacity with integral Battery Management System (BMS).

This configuration offers a total of 800Ah capacity and 600A peak discharge across the system.
Each lithium battery is individually fused and managed by the BMS. The BMS data is integrated into a Victron Cerbo, which allows live monitoring and detailed system information to be viewed through the Victron Remote Management (VRM) portal.

Batteries: 800AH LiFePO4 (4x200AH) + Generator starter battery
Solar: 9x200W flexible solar panels & 2 x Victron MPPT
Backup generator: Vetus 6.5KVA GLX diesel
Power management: Victron Quattro 8000 Inverter with VRM
Fresh water: 900L integral fresh-water tank
Heating: Nest controlled central heating & Refleks Diesel Stove
Boiler: Webasto diesel for central heating & hot water
Hot water: 110L (2x55L Calorifiers) heated through Webasto OR Generator OR immersion.
Toilet: Compoost Deluxe Compost toilet 12v self-stirring
Appliances:
Washing machine,
NEFF wifi oven,
Induction hob,
Cookology dishwasher,
Ninja air fryer,
DeLonghi espresso machine,
Fridge/freezer,
Under seat freezer,
Qettle 2L Boil Tap with water filter,
Sharp 800W microwave,
LG 42” OLED 4K TV,
Dehumidifier,
Nest security cameras.
Canopies: Stern pram and bow covers by Titan Canopies.
Smarthome remote monitoring: Smoke/CO, central heating/temp, generator, batteries, solar, VRM, security.

Engine(s)

ENGINE & TRANSMISSION:
Vetus E-Line 10kw electric motor,
powered by 800AH LiFePo4 batteries
Charged by an a 9-panel 1.8KW solar array with backup Vetus 6.5kva GLX generator.
A Vetus 16x12 four-blade prop, drive shaft and stern gland were installed in 2025 to upgrade the cruising performance.
Vetus E-Line control software updated 2026.

Engine room features:
• LED lighting
• Weed hatch access
• Self lubricating Vetus stern gland
• Twin 55L calorifiers providing 110L of hot water
• Expansion tanks
• Webasto diesel hot water and central heating
• Auto-starting Vetus 6.5KVA soundproofed generator
• Hospital silencer
• 12v starter battery with trickle charger
• Automatic powered ventilation (starts with generator)
• Vetus variable-speed stern thruster
• Foldable step/motor protection
• Vetus E-Line 10KW motor with Vetus 16x12x4-blade prop
• Spare prop and prop shaft (original Vetus 13x12x3-blade prop)
• Locking deck boards
• Water fill hose (food grade) with hose reel
• Sound insulation

Safety Equipment

Safety certificate: Builder’s certificate valid through May 2027.

FIRE SAFETY?: 2 x 2kg, 1x1kg Dry Powder extinguishers?1 x Fire Blanket
2 smart CO/Smoke detectors.

Location Map