| Name/Location | County | Open | Close | Comment |
| La Pettite Brewery | . | . | . | See Randall |
| Lab | . | . | . | See Lowes Arms |
| Lade Inn | . | . | . | See Trossach Craft |
| Lake Lothing Brewery | . | . | . | See Oulton Ales |
| LAKELAND, Strawberry Bank | Cumbria | 1990 | 1997 | Located at The Masons Arms PH |
| Lamb Inn | . | . | . | See Silverthornes Gwent Ales |
| LANCASTER, Lancaster | Lancashire | 2005 | . | Plant ex Otter |
| LANGHAM, Lodsworth, Petworth | W Sussex | 2006 | . | Plant ex Wickwar |
| LANGTON, Thorpe Langton, Market Harborough | Leicestershire | 2000 | . | Moved from The Bell Inn, East Langton 2005 |
| LARKINS, Chiddingstone, Edenbridge | Kent | 1986 | . | Plant ex Kentish Ales. Moved 1989 |
| LASS o'GOWRIE, Manchester | Gtr Manchester | 1983 | 2003 | Whitbread pub brewery. Formerly George IV |
| LASTINGHAM, Pickering | N Yorkshire | 1993 | 1995 | . |
| LAWN, Winchester | Hampshire | 1982 | 1984 | Located at The Mash Tun PH. Owned by Ringwood |
| Lawns | . | . | . | See Privett? |
| LEADMILL, Denby | Derbyshire | 1999 | . | Moved from Selston, Nottinghamshire 2001 |
| LEAKING BOOT, Grimsby | Lincolnshire | 1995 | 1996 | . |
| Leann an Eilien | . | . | . | See Isle of Skye |
| LEATHERBRITCHES, Ashbourne | Derbyshire | 2008 | . | Located at The Green Man & Blacks Head Royal Hotel. Also brewed at The Bentley Brook Inn 1994-2007 Beers brewed by Falstaff 2007-8 |
| LEDBURY, Ledbury | Herefordshire | 1995 | 1999? | Located at The Royal Oak PH. Also a brew pub 1841-1921. Ownership change 1998. Ceased part 97/98. Ceased again? |
| LEEDS, Leeds | W Yorkshire | 2007 | . | See also The Brewery Tap |
| LEEK, Cheddleton | Staffordshire | 2002 | . | The Staffordshire Brewery. Moved from Leek 2004. Plant (2007) ex Conwy |
| LEEMING WATERS, Oxenhope | W Yorkshire | 2004 | ? | . |
| LEES, Middleton Junction, Manchester | Gtr Manchester | 1828 | . | Aka J W Lees. IFBB Member |
| Leggers Inn | . | . | . | See Sunset Cider & Wine |
| LEICESTER, Syston | Leicestershire | 1983 | 1985 | Keg only |
| LEILA COTTAGE, Ingoldmells, Skegness | Lincolnshire | 2007 | . | Located at The Countryman PH |
| LEITH, Leith | Midlothian | 1982 | 1984 | See also Argyle |
| LEITH HILL, Coldharbour, Dorking | Surrey | 1996 | . | Located at The Plough Inn |
| LEVER, Malpas | Cheshire | Planned | . | Source: Quaffale |
| LEYBURN, Leyburn | N Yorkshire | 1984 | 1989 | Located at The Golden Lion PH. Moved from The Nelson Inn, Hampsthwaite 1994 |
| LEYDEN, Nangreaves, Bury | Gtr Manchester | 1999 | . | Located at The Lord Raglan PH |
| LEYLAND, Leyland | Lancashire | 1983 | 1985 | Located at The Brewing Up off-licence |
| LEYLAND, Wellingborough | Northamptonshire | 1996 | 1999 | Ex Nix Wincott/Nene Valley |
| LICHFIELD, Ingleby | Derbyshire | 1992 | 2001 | Moved from Lichfield 1998 to share site with John Thompson Inn. Contract brewed by Highgate, Tower & Blythe? |
| LIDDINGTONS, Rugby | Warwickshire | 1983 | 1986 | Ex Litchborough Brands |
| LIDSTONES, Coltsfoot Green, Nr Newmarket | Suffolk | 1998 | 2003 | See also Wensleydale |
| LIME TREE, Mansfield | Nottinghamshire | 2004? | 2004? | . |
| LINFIT, Linthwaite, Huddersfield | W Yorkshire | 1982 | . | Located at The Sair Inn(a 19th c brewpub) |
| Lion Brewery | . | . | . | See Matthew Brown |
| Lion, Croydon | . | . | . | See Burkes |
| LIONS ORIGINAL BREWS, Burnley | Lancashire | 1991 | 1994 | Plant ex Big End. Aka Griffin |
| LION'S TAIL, Cheswardine, Market Drayton | Shropshire | 2006 | . | Located at The Red Lion Hotel. Plant ex Lime Tree |
| LITCHBOROUGH, Daventry | Northamptonshire | 1974 | 1983 | Moved from Litchborough 1980. Brands sold to Liddingtons |
| Little | . | . | . | See Sam Trueman |
| LITTLE AVENHAM, Preston | Lancashire | 1992 | 1997? | Moved 1995 |
| LITTLE CART, Sheffiels | S Yorkshire | 2008 | . | Site previously Port Mahon |
| LITTLE STAUGHTON, Little Staughton | Bedfordshire | Planned | . | Source: Quaffale |
| LITTLE VALLEY, Cragg Vale, Hebden Bridge | W Yorkshire | 2005 | . | . |
| LITTON ALE, Litton, Skipton | N Yorkshire | 2003 | . | Located at The Queens Arms PH |
| LIVERPOOL, Liverpool | Merseyside | 1990 | 2004 | Located at The Brewery PH (formerly The Black Horse & Rainbow) |
| LIVERPOOL ONE, Liverpool | Merseyside | 2010 | . | . |
| LIVERPOOL ORGANIC, Liverpool | Merseyside | 2009 | . | Plant ex Higson's |
| LIVERPOOL UNIVERSITY, Liverpool | Merseyside | 2000 | 2004? | . |
| LIZARD ALES, Coverack, Helston | Cornwall | 2004 | . | Moved from St Keverne 2008 |
| Llanteglos Brewery | . | . | . | See Pembrokeshire Own Ales |
| Lloyd & Trouncer | . | . | . | See City Arms |
| LLOYDS COUNTRY BEERS, Ingleby, Melbourne | Derbyshire | 1983 | 2002 | Shared site with John Thompson Brewery. Contract brewed by Tower & Belvoir? |
| Lloyds | . | . | . | See Fantasy |
| LLOYDS, Newport | Monmouthshire | 1895 | 1951? | Cambrian brewery, acquired by Ansells (Tetley) 1951 |
| LIVERPOOL ORGANIC, Liverpool | Merseyside | Planned | . | Source: Ind Imb No. 29 & Quaffale |
| LOCH LEVEN, Maryburgh, Blairadam, Kelty | Fife | 2009 | . | . |
| LODDON, Dunsden Green, Reading | Oxfordshire | 2003 | . | . |
| London Beer Co | . | . | . | See Pitfield |
| London Inn | . | . | . | See Thompson's |
| Long Barn | . | . | . | See Stallion |
| LONGSTONE, Belford | Northumberland | 1991 | 1995 | Aka Darlings. Plant sold to Becketts |
| LOOSE CANNON, Abingdon | Oxfordshire | Planned | . | Source: Quaffale |
| LORD CONRAD'S, Bar Hill, Cambridge | Cambridgeshire | 2010 | . | . |
| Lord Nelson | . | . | . | See Tunnel |
| Lord Raglan | . | . | . | See Leyden |
| LORD RAGLAN, Cefn-Coed, Merthyr Tydfil | Glamorgan | 2000 | 2002 | . |
| Lorimer & Clark | . | . | . | See Caledonian |
| LOVIBOND'S, Henley-on-Thames | Oxfordshire | 2005 | . | . |
| LOWER ANGEL, Warrington | Cheshire | Planned | . | Source: Quaffale |
| LOWES ARMS, Denton | Gtr Manchester | 2001 | 2006 | Located at The Lowes Arms PH. Aka The Lab. See also Dane Town |
| LOWESWATER, Hawkshead | Cumbria | 2003 | . | Moved from The Kirkstile Inn, Loweswater 2009. Site & plant ex Cumbrian Legendary Ales |
| LUCIFER, Clifton, Bristol | Gloucestershire | 1993 | 1995 | Located at The Hope & Anchor PH. Restarting 2000? - See Hope & Anchor |
| LUCKIE ALES, Dunshalt | Fife | 2008 | . | . |
| LUDLOW, Ludlow | Shropshire | 2006 | . | . |
| LUGTON, Lugton | Ayrshire | 1995 | 2000 | . |
| LUNDY, Lundy Island | Devon | 1994 | 1995 | Located at The Marisco Tavern. Also brewed 84-92 |
| LYMESTONE, Stone | Staffordshire | 2008 | . | . |
| LYTHAM, Lytham St Annes | Lancashire | 2007 | . | Moved from The Hastings Club, Lytham 2008 |
| Lytton Arms | . | . | . | See Millenium |