Marinas for boats over 12m on the River Thames

Marinas and harbours that say they take boats over 12m (40ft): a stated maximum length, or a published price for a boat that size. Canal sites that only take narrowboats are left out; see 70ft narrowboat moorings for those.

6 sites · 2 with space now · 1 with a waiting list · typical £4,725 a year for a 12m boat (£450–£6,731 across 3 published tariffs)

Licence: Environment Agency. About licences

At a glance

6 sites: 2 on rivers and 4 on estuaries and tidal rivers.
2 of the 6 told us in the last six weeks they have space: St Katharine Docks Marina and Upper Large Moorings.
Keeping a waiting list: South Dock Marina.
For a 12m boat, published prices run from £450 a year (Greenwich Yacht Club) to £6,731 a year (South Dock Marina); the middle of 3 is £4,725 a year.
Longest boat taken: 40m (131ft) at St Katharine Docks Marina.
Of the 6, 4 have electric hook-up, 4 a pump-out, 2 a boat hoist and 3 visitor berths.
2 of the 6 allow liveaboards, outright or by arrangement.

Estuaries & tidal rivers Berths available

St Katharine Docks Marina

London, Greater London · River Thames

Prices not published

Seen on their website 8 days ago

Rivers Berths available

Upper Large Moorings

Tilehurst, Berkshire · River Thames

Prices not published

Seen on their website 8 days ago · Liveaboard

Estuaries & tidal rivers Waiting list

South Dock Marina

London, Greater London · River Thames

£5,609 a year for a 10m yacht

Seen on their website 8 days ago · Liveaboard

Estuaries & tidal rivers

Greenwich Yacht Club

London, Greater London · River Thames

£450 a year for a 10m yacht

Rivers

Harleyford Marina

Marlow, Buckinghamshire · River Thames

£3,938 a year for a 10m cruiser

Estuaries & tidal rivers

Chiswick Pier

Chiswick, London, Greater London · River Thames

Prices not published

Compared: prices for a 12m boat

Site	Where	A year, 12m boat	Longest boat	Widest beam	Deepest draught	Space
St Katharine Docks Marina	London, River Thames	–	40m (131ft)	–	–	Berths available
Upper Large Moorings	Tilehurst, River Thames	–	21.3m (70ft)	–	–	Berths available
South Dock Marina	London, River Thames	£6,731	13m (43ft)	–	–	Waiting list
Greenwich Yacht Club	London, River Thames	£450	12.2m (40ft)	–	–	Not reported
Harleyford Marina	Marlow, River Thames	£4,725	13m (43ft)	–	–	Not reported
Chiswick Pier	Chiswick, London, River Thames	–	30m (98ft)	–	–	Not reported

From each site's published tariff. "–" means the site doesn't say. Prices change; confirm with the site.

Questions

How much does a mooring for a 12m boat cost on the River Thames?

Across the 3 marinas for boats over 12m here that publish a price, a 12m boat costs from £450 a year at Greenwich Yacht Club to £6,731 a year at South Dock Marina. The middle figure is £4,725 a year. Check what each includes: electricity, water and VAT vary.

What are the cheapest marinas for boats over 12m on the River Thames?

For a 12m boat, Greenwich Yacht Club is cheapest at £450 a year in London.

Which marinas for boats over 12m on the River Thames have space now?

2 of the 6 told us in the last six weeks they have space: St Katharine Docks Marina and Upper Large Moorings. Each page shows the date they told us and what they have.

Where can I keep a boat over 12m (39ft) on the River Thames?

All 6 say they take a boat that long. Stated maximums: St Katharine Docks Marina (40m (131ft)), Upper Large Moorings (21.3m (70ft)), South Dock Marina (13m (43ft)), Greenwich Yacht Club (12.2m (40ft)), Harleyford Marina (13m (43ft)) and Chiswick Pier (30m (98ft)). Check beam and draught too.

Can you live aboard at marinas for boats over 12m on the River Thames?

2 of the 6 say you can: Upper Large Moorings (liveaboards allowed) and South Dock Marina (liveaboards allowed). Living aboard can need planning consent and council tax; ask each site about its terms.

Do I need a licence as well as a mooring?

On top of the mooring fee: of these, 2 need Environment Agency registration (Thames, Medway, Anglian waterways). Coastal marinas usually need none.

Broader

Marinas for boats over 12m on other waterways

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