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The boat featured is not currently for sale by Boatshed. The boat information and images presented are part of Boatshed’s back catalogue of the 20,000+ boats we have listed in the last 15 years and appear here for general information and guidance purposes about Boatshed and our boat selling systems and services
HAM Class minesweeper

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Boat REF# 117473
Sold / Unavailable
LOA 32.61m (107'0")
Year 1957
Construction Wood
Underwater profile Full-displacement
Berths 9
Engine 2 x Diesel 650hp, Paxman V12 (unknown year)
Lying Chelsea


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Extra Details

Designer Royal Navy
Builder Appledore Shipyard
Lying Chelsea
Fuel capacity 3,636.4 ltr (800.0 G) Total - 2 Tanks
Water capacity 6,363.6 ltr (1,400.0 G) Total - 2 Tanks
Last survey 01/05/2004


Engine 2 x Diesel 650hp
Engine make and model Paxman V12 (unknown year)
Engine Hours Not Recorded
Engine Cooled Indirect
Steering Wheel
Drive Shaft
Fuel consumption (approx) Not Recorded
Cruising speed (approx) 17 knots
Max speed (approx) 24 knots
Generator output 6.5KVA
Engine spares tick

Twin Foden 6-cylinder engines

Twin Lister generators


LOA 32.61m (107'0")
Beam 6.71m (22'0")
Draft Max 1.07m (3'6")
Storage On mooring

Electrical Systems

24 volt, 4 batteries charged by: wind generator, generator


Discounts available from our Preferred Partners
Construction Wood
Underwater profile Full-displacement
Finish Paint finish

Double diagonal mahogany construction with foamcore

9 bulkheads


Total # of berths 9
No. of double berths 2
No. of single berths 7
Cabin(s) 7
Handbasin 5
Shower 3
Heads 3 heads (Manual)
Cooker tick
Grill tick
Oven tick
Sink tick
Icebox tick
Fridge tick
Cabin heating tick
Pressurised water system tick
Hot water system tick

Diesel drip Aga style stove

4 burner Diesel cooker

Nav Equipment

Compass tick
Radar tick
VHF tick
Fish Finder tick

Deck Gear

1 anchors
30.00m (98'5") of chain
Ribcraft dinghy (unknown year)
90hp outboard, Honda (2007)
Alucraft 3.3m dinghy with with Honda 4-stroke 10hp outboard

2x davits


Folding Bicycle tick

2x Strida folding bicycles

Safety Equipment

10% Discount on courses
Liferaft tick
Life jackets tick
Boarding ladder tick

6 bilge pumps (4 manual / 2 Electric)

Broker's Comments

This ex-Royal Navy minesweeper is currently moored on a prestigious stretch of the river between Chelsea Physic Garden and the Buddha in Battersea Park, is close to Cadogan Pier and benefits from all the facilities thereon. The ship comes with her own Ribcraft RIB for commuting to the nearby pier – or even to the office!

The Ham class was a class of inshore minesweepers (IMS), known as the Type 1, of the Royal Navy. The class was designed to operate in the shallow water of rivers and estuaries. It took its name from the fact that all the ship names were British place names ending in -"ham". This vessel was sold in 1967 to Decca Ltd, who used her as a research and calibration vessel on the Decca Navigator chain.

Although the ship has a sound superstructure, she suffered from a fire above decks in early 2010 and the bridge and upper saloon are fire and smoke damaged (though still intact). Below decks, however, she is in reasonable fettle (although in need of some restoration) and is ripe for a stunning houseboat conversion. As one would expect, the super-strong hull, complete with nine bulkheads, was built to last – and last it will.

These boat details are subject to contract.
Note: Offers on the asking price may be considered.

This HAM Class minesweeper has been personally photographed and viewed by Brian Duckett of Boatshed London. Click here for contact details.
Disclaimer The particulars detailed herein are intended to give a fair description of the vessel but their accuracy cannot be guaranteed. These particulars are not and shall not form part of any offer or contract for the sale of the vessel and are supplied on the understanding that all negotiations shall be through Boatshed, who act as agents for the vendor. The vendor is not selling in the course of a business unless otherwise stated. The prospective purchaser is strongly recommended to check the particulars and, where considered appropriate, at his own expense, to employ qualified agents to carry out structural and/or mechanical and/or electrical surveys and inspections in order to assess the actual condition of the vessel before purchase.

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