Lade Fort

Lammerside

Lamphey Bishops Palace

Lancaster

Lanercost

Langley

Lasborough

Laugharne

Launceston

Laxton

Layer Marney Tower

Leeds

Leicester

Leigh

Levens Hall

Lewes

Leybourne

Leysters

Lidgate

Lilbourne

Lincoln

Lindisfarne

Lingen

Little Hereford

Little Wenham Hall

Llanblethian (St Quentins)

Llancillo

Llandaff Bishops Palace

Llandovery

Llanddew

Llanfair Discoed

Llanfor

Llangattock Vibon Avei

Llangybi

Llanstephan

Llanvaches

Llawhaden

Lleiniog

Longthorpe Tower

Longtown

Loughor

Low Borrowbridge Fort (Roman)

Lower Down

Lowick Hall

Lowther

Ludgershall

Ludlow

Luggy Motte

Lullingstone

Lulworth

Lumley

Lydford

Lympne

Lyonshall