Little remains of the claustral buildings of the Abbey except for the impressive gatehouse, which stretches between the south-west corner of the church and a defensive tower on the High Street, and the still complete Abbot's House, a building of the 13th, 15th and 16th centuries, which is the best-preserved of its type in Scotland.

It is surrounded by a dry moat which is bridged at the gatehouse.

He added a 15th century style gatehouse to the castle's medieval structures, as well as a formal garden and a residential wing which featured the " brittle, thin walls and grids of windows " that were to become the hallmark of Elizabethan architecture in later decades.

The first courtyard, the Base Court, ( B on plan ), was his creation, as was the second, inner gatehouse ( C ) which leads to the Clock Court ( D ) ( Wolsey's seal remains visible over the entrance arch of the clock tower ) which contained his private rooms ( O on plan ).

Palace House ( not to be confused with the Palace of Beaulieu in Essex ), which overlooks the village from across Beaulieu River, began in 1204 as the gatehouse to Beaulieu Abbey, and has been the ancestral home of a branch of the Montagu family since 1538, when it was bought from the Crown following the Dissolution of the Monasteries by Henry VIII.

Visitors can also see the Bishop's private chapel, ruined great hall and the gatehouse with portcullis and drawbridge beside which mute swans ring a bell for food.

Some parts of the abbey infrastructure still remain, principally the vast refectory and rooms over the gatehouse which was part of the former city wall.

At the southern end of the bridge was a turreted gatehouse, Les Tourelles, which stood in the river, connected by a drawbridge to the southern bank.

The Grade I listed site is now operated by English Heritage as 1066 Battle of Hastings, Abbey and Battlefield, which includes the abbey buildings and ruins, a visitor centre with a film and exhibition about the battle, audio tours of the battlefield site, and the monks ' gatehouse with recovered artefacts.

The market town of Tewkesbury developed to the north of the abbey precincts, of which vestiges remain in the layout of the streets and a few buildings: the Abbot's gatehouse, the Almonry barn, the Abbey Mill, Abbey House, the present vicarage and some half-timbered dwellings in Church Street.

de Lacy oversaw the final construction of the castle, which included the gatehouse, drum towers and outer ward.

The de Braose dynasty were energetic lords and probably built the core of the gatehouse which now stands besides the keep.

Some of these castles were deliberately built on top of important local buildings, such as the burhs or halls of local nobles, and might be constructed so as to imitate aspects of the previous buildings – such as the gatehouse at Rougemont Castle in Exeter, which closely resembled the previous Anglo-Saxon burh tower – this was probably done to demonstrate to the local population that they now answered to their new Norman rulers.

The 40-metre-long gatehouse Landporten in Nyborg, which was used to defend the town's inner circle during attacks.

Selwyn College's Main Gate in Old Court, with the Greek quotation from 1 Corinthians 16: 13 which contains the College motto above. Selwyn College's gatehouse and tower is the main entrance to Old Court, shown here flying the College flag.

Built in 1345 it formed part of the defensive structure along the river, with a gatehouse on the city side of bridge which was demolished in 1791.

Apart from the priory, the buildings in the park include the gatehouse of the former Alnwick Abbey, and Brizlee Tower, which is a viewing tower in the gothic style that dates from the 1780s.

The D-shaped north gatehouse in the inner ward was intended to be two storeys high, with two sets of five, large windows, of which only one floor was actually completed.

Harlech had not apparently been repaired following the 1468 siege, and had become completely dilapidated, with the exception of the gatehouse, which was used for the local assizes.

The keep was once the gatehouse through which the Norman castle would have been entered.

It was entered through a gatehouse, which may date from the 1080s, in the southern wall.

Passing the gatehouse by which the porter's lodge is situated, the First Court is immediately reached.

A new dining hall was built above the gatehouse, and much of the northern side of the Old Quadrangle, apart from Old Hall, was rebuilt.

As technology changed with the introduction of electricity and demand grew, the process of rebuilding continued so that by the 1960s little of the original mint remained, apart from Smirke's 1809 building and the gatehouse in the front.

The site of the Abbey is a Scheduled Ancient Monument although apart from the church and the gatehouse and the restored ruins of the cloister very little remains visible.

The gatehouse consists of two towers built about 3 yards apart.

Leicester's gatehouse was built on the north side of the base court, replacing an older gatehouse to provide a fashionable entrance from the direction of Coventry.

A single gatehouse afforded communication through the wall separating the outer from the inner ward.

The gate tower that forms the entrance is a relatively simple design from the 12th century: the fashion for much grander gatehouse designs began shortly afterwards.

The foundations and part of the walls of the hall house, gatehouse, barbican and other courtyard buildings are still visible, most dating from the 16th century.

View of Edlingham Castle ruins from the gatehouse

The Middle Ward, originally accessed via a bridge from the Outer Ward, housed a gatehouse and guardhouse.

The top storey and spire date from about 1580 and originally formed a bellcote on the north gatehouse.

* Information about the stained glass in the gatehouse from the Corpus Vitrearum Medii Aevi ( CVMA ) of Great Britain

The gatehouse features murder holes, two drawbridges, a gate, and portcullises – gates made from wood or metal.

Some of the stonework may since have been removed from the gatehouse, reducing its height even further.

It seems likely from its design that the gatehouse was meant to be used as accommodation, specifically the room above the gate passage.

The gatehouse providing entry from the outer defences to the castle proper was erected by King James IV, and was probably completed around 1506.

Later in the year he was committed to the gatehouse, and then sent into confinement in Hampshire, from which he was liberated just before the meeting of the third parliament of the reign, in which he once more rendered useful but unobtrusive assistance to his leaders.

The gatehouse of Thornton Abbey from the outside

These included a chapel, a porch going into the great hall from the great chamber ( which was probably the large dining room ), a wardrobe, the Lord's chamber and outer chamber, the Lady's chamber, a bakehouse, brewhouse, pantry, washhouse and low washhouse, a round tower, a square tower and a turret, round towers on either side of the gatehouse and walls running along the waterside, a porter's lodge, a dungeon, a square room, little kitchen, old kitchen, a kennel and a range of stables.