Michelham Priory: England’s Longest Moat, Near Eastbourne

The island priory

Michelham’s great glory is its setting. The whole site — nearly eight acres of house, gardens and grounds — sits on an island encircled by a broad moat, formed centuries ago by damming the River Cuckmere. It’s the longest medieval water-filled moat in England, and it gives Michelham a dreamlike, timeless quality: you cross into the past over a Tudor stone bridge, beneath a towering medieval gatehouse. So striking is that moat that it reportedly inspired the title of Hilary Mantel’s Wolf Hall novel The Mirror & the Light — and the priory itself features in her celebrated trilogy.

Eight hundred years of history

The Priory of the Holy Trinity was founded in 1229 by Gilbert de l’Aigle (or de Aquila), lord of the Barony of Pevensey — a family whose ancestor had died fighting for William the Conqueror at the Battle of Hastings. Gilbert endowed a house of Augustinian canons: ordained priests who lived by a monastic rule, charged with saying prayers for his soul and his ancestors’ in perpetuity. For three centuries they farmed, milled, prayed and offered hospitality here. The Black Death hit hard — by 1353 eight of the thirteen canons had died — and the priory was not immune to the violence of the times.

Did you know? In 1437 the prior of Michelham was violently ejected and the priory’s goods seized by Sir Roger Fiennes — the very man who was building nearby Herstmonceux Castle. The two great sites are bound together by more than geography.

Dissolution and the Tudor house

In 1537 Michelham was swept away in Henry VIII’s Dissolution of the Monasteries. The priory church and some buildings were demolished, its five bells sold off, and the estate confiscated for the Crown. It passed through some of the most famous hands of the Tudor age — granted first to Henry’s minister Thomas Cromwell, then, after his execution, to Anne of Cleves, with parts going to Thomas Culpeper and the Earl of Arundel. What survived was gradually remodelled into a comfortable country house, with an Elizabethan wing added and a magnificent Great Barn raised around 1600. Later owners farmed the estate for centuries, and in the 20th century a fire (1927) damaged the Tudor wing before it was carefully refitted. During the Second World War the old house sheltered evacuee children, soldiers and the Home Guard.

What to see today

Visiting Michelham is like walking through the centuries. Inside the house, rooms are dressed to reflect different eras — a Tudor kitchen and scullery, a dining room laid for a feast, a prior’s room, a Victorian collection tied to the Child family who once lived here, and a poignant Second World War evacuee’s bedroom. Outdoors, there’s the imposing medieval gatehouse, the working watermill, a forge, and seven acres of grounds to roam, including kitchen, physic (medicinal) and medieval herb gardens, sculptures, and a garden laid on the original cloister foundations. There’s a children’s play area and dressing-up activities, plus a café serving locally-sourced food — and on some Sundays, traditional archery reenactors set up on the lawns.

Planning your visit

Michelham Priory sits at Upper Dicker, near Hailsham, roughly a 20–25 minute drive from Eastbourne — an easy and rewarding day out, especially for families. It’s a seasonal attraction (broadly spring to autumn), so it’s worth checking opening days and admission prices on the Sussex Archaeological Society’s website before you set off, as it closes on certain dates. The ground floor, gardens, barn and café are accessible, with loan wheelchairs available. Pair it with a visit to nearby Alfriston or the Long Man of Wilmington — both, like Michelham, cared for by the same Sussex heritage charity — for a full day of history in the Cuckmere country.

Good to know: Michelham has a reputation as one of the more haunted spots in the area — it features in our guide to haunted Eastbourne, for anyone who likes a ghost story with their history.

Michelham Priory: FAQs