- Nash’s House and New Place - Stratford-upon-Avon
- National Badminton Museum - Milton Keynes
- National Botanic Garden of Wales - Llanarthne, Carmarthenshire
- National Coal Mining Museum for England - Overton, Wakefield
- National Football Museum - Manchester
- National Forest Adventure Farm - Tatenhill, Burton Upon Trent
- National Media Museum - Bradford
- National Motorcycle Museum - Bickenhill, Solihull
- National Railway Museum Shildon - Shildon
- National SEA LIFE Birmingham - Birmingham
- National Showcaves Centre for Wales - Abercrave, Swansea
- National Slate Museum - Llanberis, Gwynedd
- National Space Centre - Leicester
- National Stone Centre - Middleton by Wirksworth
- Natural History Museum at Tring - Tring
- Nature Discovery Centre - Thatcham
- Nether Alderley Mill - Macclesfield
- New Forest Reptile Centre - Lyndhurst
- Newark Park - Ozleworth, Wotton-under-Edge
- Newarke Houses Museum and Gardens - Leicester
- Newhaven Fort - Newhaven
- Newquay Zoo - Newquay
- Noah’s Ark Family Centre - Thornaby on Tees
- Noah’s Ark Zoo Farm - Wraxall
- The North Somerset Butterfly House - Congresbury
- Northampton Museum and Art Gallery - Northampton
- Nostell Priory and Parkland - Nostell, near Wakefield
- Nothe Fort - Weymouth
- Nottingham Castle - Nottingham
- Nuffield Place - Huntercombe, near Henley-on-Thames
- Nunnington Hall - Nunnington, near York
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