Alloa Tower
Clackmannanshire, Scotland
Medieval tower house of the Erskines; seasonal opening
Alnwick Castle
Northumberland, England
Seasonal opening, spring-autumn
Appleby Castle
Cumbria, England
Castle hotel plus daily keep/grounds tours
Arundel Castle
West Sussex, England
Seasonal opening
Auckland Castle
County Durham, England
Former bishops' palace-castle, restored 2019
Aydon Castle
Northumberland, England
Fortified medieval manor house
Balhousie Castle (Black Watch Castle & Museum)
Perth and Kinross, Scotland
Regimental museum; open year-round
Ballindalloch Castle
Moray, Scotland
Seasonal Easter-Sep; closed Saturdays
Balmoral Castle
Aberdeenshire, Scotland
Seasonal Apr-Aug plus winter tours; interior access limited
Bamburgh Castle
Northumberland, England
Holiday apartments in castle towers
Belfast Castle
County Antrim, Northern Ireland
Victorian baronial mansion on Cave Hill; free entry
Belsay Hall, Castle and Gardens
Northumberland, England
Medieval tower house plus Greek Revival hall
Belvoir Castle
Leicestershire, England
Berkeley Castle
Gloucestershire, England
Occupied by Berkeleys for ~900 years
Blair Castle
Perth and Kinross, Scotland
Seasonal Apr-Oct; Atholl Highlanders private army
Bolsover Castle
Derbyshire, England
Roofed Little Castle; ruined terrace range
Braemar Castle
Aberdeenshire, Scotland
Community-run; reopened after conservation; seasonal from April
Brodick Castle
North Ayrshire, Scotland
Isle of Arran; castle, garden and country park
Brodie Castle
Moray, Scotland
Laird's Wing sleeps 14 within the castle
Broughty Castle
Dundee City, Scotland
Free museum operated by Leisure & Culture Dundee
Calshot Castle
Hampshire, England
Managed by Hampshire County Council
Cardiff Castle
Cardiff, Wales
Norman keep, Victorian Gothic apartments, wartime tunnels
Carisbrooke Castle
Isle of Wight, England
Bowling Green Apartment holiday let on site
Carlisle Castle
Cumbria, England
Working border fortress with roofed keep
Carrickfergus Castle
County Antrim, Northern Ireland
Best-preserved Norman castle in NI; open during conservation works
Castell Coch
Cardiff, Wales
Victorian Gothic fantasy rebuild by William Burges; fully roofed
Castle Drogo
Devon, England
20th-century granite castle by Lutyens
Castle Fraser
Aberdeenshire, Scotland
One of Scotland's largest tower houses; East Wing apartment bookable
Castle Menzies
Perth and Kinross, Scotland
Seasonal Apr-Oct
Castle Ward
County Down, Northern Ireland
Gothic/Palladian mansion; estate tower house was Winterfell
Castle of Mey
Highland, Scotland
Seasonal May-Sep; closes late July for royal visit
Cawdor Castle
Highland, Scotland
Seasonal May-Oct
Chiddingstone Castle
Kent, England
Houses Denys Eyre Bower collections
Chillingham Castle
Northumberland, England
Self-catering apartments in the castle
Chirk Castle
Wrexham, Wales
Edwardian-era marcher fortress, inhabited 700 years
Colchester Castle
Essex, England
Largest Norman keep in Europe
Corgarff Castle
Aberdeenshire, Scotland
Tower within star-shaped wall; seasonal opening
Craigievar Castle
Aberdeenshire, Scotland
Pink tower house; interior visits by guided tour
Crathes Castle
Aberdeenshire, Scotland
16th-century tower house with painted ceilings and gardens
Croft Castle
Herefordshire, England
Castellated manor, Croft family seat
Culzean Castle
South Ayrshire, Scotland
Robert Adam clifftop castle; Eisenhower apartment and Brewhouse flat bookable
Dartmouth Castle
Devon, England
Deal Castle
Kent, England
Henry VIII Device Fort
Dean Castle
East Ayrshire, Scotland
Council leisure-trust run; free entry; restored 14th-century keep
Delgatie Castle
Aberdeenshire, Scotland
Open daily Jan-Dec; holiday suites inside castle
Doune Castle
Stirling, Scotland
Monty Python, Outlander and Game of Thrones location
Dover Castle
Kent, England
Two EH holiday lets within the walls
Drum Castle
Aberdeenshire, Scotland
Medieval tower plus mansion; holiday cottage in courtyard, not castle
Drumlanrig Castle
Dumfries and Galloway, Scotland
Seasonal castle tours; country estate and gardens
Duart Castle
Argyll and Bute, Scotland
Seasonal Apr-Oct; Isle of Mull
Dunrobin Castle
Highland, Scotland
Seasonal Apr-Oct; falconry displays
Dunster Castle
Somerset, England
Luttrell family castle remodelled as country home
Dunvegan Castle
Highland, Scotland
Seasonal Apr-Oct; gardens and seal boat trips
Eastnor Castle
Herefordshire, England
Selected open days; exclusive-hire castle bedrooms
Edinburgh Castle
City of Edinburgh, Scotland
Crown Jewels and Stone of Destiny; pre-booking advised
Eilean Donan Castle
Highland, Scotland
Open most of year; brief winter closure
Floors Castle
Scottish Borders, Scotland
Seasonal; Scotland's largest inhabited castle
Fonmon Castle
Vale of Glamorgan, Wales
Now runs as Jurassic Wales dinosaur attraction plus castle
Fyvie Castle
Aberdeenshire, Scotland
Preston Tower Apartment sleeps 12 within the castle
Glamis Castle
Angus, Scotland
Seasonal ~late Mar-Oct plus Christmas events
Grimsthorpe Castle
Lincolnshire, England
Vanbrugh front on medieval-origin castle
Gwydir Castle
Conwy, Wales
Self-guided visits Wed/Fri/Sun in season; two B&B rooms
Hartlebury Castle
Worcestershire, England
Former bishops' castle; county museum
Herstmonceux Castle
East Sussex, England
Gardens daily; interior by guided tour
Hever Castle
Kent, England
B&B in Astor Wing
Hillsborough Castle
County Down, Northern Ireland
Georgian house styled castle; royal residence, gardens
Huntingtower Castle
Perth and Kinross, Scotland
Twin towers with rare painted ceilings
Hurst Castle
Hampshire, England
Reached by ferry or shingle spit walk
Inveraray Castle
Argyll and Bute, Scotland
Seasonal Apr-Oct
Inverness Castle (Inverness Castle Experience)
Highland, Scotland
New attraction, fully opened February 2026; storyteller-led tours
Kelburn Castle
North Ayrshire, Scotland
Country centre daily; castle by pre-booked guided tour; graffiti murals
Kellie Castle
Fife, Scotland
14th-century castle restored by the Lorimer family
Lancaster Castle
Lancashire, England
Courtyard free; interior by guided tour
Leeds Castle
Kent, England
Maiden's Tower and B&B stays on site
Lindisfarne Castle
Northumberland, England
Tudor fort converted by Lutyens; tidal-island access
Muncaster Castle
Cumbria, England
B&B in stable-yard buildings, not castle
Newark Castle
Inverclyde, Scotland
Well-preserved Clyde castle at Port Glasgow; seasonal
Norwich Castle
Norfolk, England
Keep redisplayed after Royal Palace project
Orford Castle
Suffolk, England
Unique polygonal keep, fully explorable
Pendennis Castle
Cornwall, England
Henrician artillery fort; two EH holiday cottages
Penrhyn Castle
Gwynedd, Wales
19th-century neo-Norman castle
Picton Castle
Pembrokeshire, Wales
Castle and 40-acre gardens
Portland Castle
Dorset, England
Powderham Castle
Devon, England
Powis Castle
Powys, Wales
Medieval fortress turned grand residence; terraced gardens
Raby Castle
County Durham, England
Rockingham Castle
Northamptonshire, England
Seasonal opening
Rye Castle (Ypres Tower)
East Sussex, England
13thC tower museum, open year-round
Sherborne Castle
Dorset, England
16thC 'new' castle; old castle is EH
Shrewsbury Castle
Shropshire, England
Regimental museum in castle hall
Sizergh Castle
Cumbria, England
Medieval pele-tower house; NT now brands it Sizergh
Skipton Castle
North Yorkshire, England
One of England's best-preserved medieval castles
Smailholm Tower
Scottish Borders, Scotland
Roofed Border peel tower; seasonal opening
Southsea Castle
Hampshire, England
Henrician fort; free entry, seasonal
St Mawes Castle
Cornwall, England
Henrician artillery fort; Fort House holiday cottage nearby
St Michael's Mount
Cornwall, England
Managed jointly with St Aubyn Estates; tidal island
Stirling Castle
Stirling, Scotland
Renaissance royal palace; pre-booking advised
Stokesay Castle
Shropshire, England
Finest surviving fortified manor house
Tamworth Castle
Staffordshire, England
Norman motte with intact shell keep
Tattershall Castle
Lincolnshire, England
Restored 15th-century brick great tower
Thirlestane Castle
Scottish Borders, Scotland
Guided tours Apr-Oct 2026; pre-booking recommended
Tower of London
Greater London, England
Crown Jewels; Yeoman Warder tours
Upnor Castle
Kent, England
Elizabethan artillery fort; managed by Medway Council
Walmer Castle and Gardens
Kent, England
Lord Warden's residence; two holiday lets
Warwick Castle
Warwickshire, England
Tower Suites and Knight's Village stays
Watermouth Castle
Devon, England
Victorian castle family theme park
Windsor Castle
Berkshire, England
Working royal residence
Yarmouth Castle
Isle of Wight, England