Alnwick Castle
A lived-in border fortress with Italianate state rooms, a poison garden next door, and a courtyard where broomstick lessons are taught.
Updated 12 October 2026

AI illustration
The Percy family have held Alnwick since 1309 and still live in it, which makes it the second-largest inhabited castle in England. The medieval shell holds state rooms remodelled in the 1850s in Italian Renaissance style by Anthony Salvin and Italian craftsmen, with a library of around fourteen thousand books and paintings by Titian and Canaletto. The outer bailey was used for the flying lessons in the first two Harry Potter films and broomstick training is run there daily for visitors. Next door, the Alnwick Garden was created from a derelict walled garden from 2000 with a large cascade and a Poison Garden of around a hundred toxic and narcotic plants, kept behind locked gates and entered only on a guided tour where touching and smelling are forbidden.
Highlights
- The state rooms - Italianate interiors of the 1850s inside a medieval shell.
- The Poison Garden - about a hundred toxic plants behind locked gates.
- The broomstick training - daily sessions in the courtyard used for filming.
- The Grand Cascade - a large water staircase in the adjoining garden.
When to go
April to October for the castle, which closes for winter; the garden opens year-round with reduced planting. The Poison Garden runs guided tours only and slots go quickly in season.
What to expect
Castle and garden are separate businesses with separate tickets, and doing both is a substantial cost and a full day. The state rooms allow no photography. Film tourism makes the courtyard busy and loud in school holidays.
Nearby
Alnwick town and Barter Books are a short walk; the Northumberland coast lies east.
Key facts
Source: Wikidata, item Q1320427, read on 18 October 2026.
What to pack for Alnwick Castle
Chosen from what this place is for. Tap a kit for the full checklist.
- Comfortable walking shoes - Sightseeing means kilometres of pavement and cobbles daily. Find on Amazon
- A slim anti-theft daypack - Zips that close properly; keep it in front in crowds and on transit. Find on Amazon
- A refillable water bottle - Many cities have public fountains; save money and plastic. Find on Amazon
- A light layer + compact umbrella - For museum air-con and a sudden shower. Find on Amazon
Some links on this page are Amazon affiliate links - if you buy through them we may earn a small commission at no extra cost to you.
All packing kitsPlan your trip
Where to start if Alnwick Castle is going on the list.
Booking links on this page are affiliate links - if you book through them we may earn a small commission at no extra cost to you. It never changes what we write about a place.
Opening times, ticket prices and seasonal closures change - check the official source before you go: official site.




