Weigh house associated with Lilley Brickworks (HER 5140). Constructed from yellow brick in English Garden Wall 1 and 3 bond with a slate roof with red clay ridge tiles and brick chimney. In the east elevation there is a panelled door with a timber lintel. In the north wall there is a large horizontal sliding 12-pane window with timber lintel and sill, with a small pulley/hoist mechanism above. In the west wall there is a narrow six-pane window with timber sill and brick lintel. The gable ends have pretty white painted barge boards.

Engine shed associated with Lilley Brickworks (HER 5140). Shown on the third edition OS map of 1919. Located at the top of a cutting to the Derwent Valley Railway (HER 1019). OS maps show railway lines running into the building from the north east.The engine shed is built of yellow colliery bricks in English Garden Wall 1 and 3 bond. The roof is no longer present. On the north-west and south-east elevations are three brick arch-headed windows with rounded brick sills and iron window frames. Each window was set in a recess. Along the top of the north-west elevation were chamfered bricks. There is a large double timber door with iron supports, in the north-east elevation.There is a timber door in the south-west elevation. Added to the south-western corner was an extension (coal bunker). This is built in the same brick. On the south east side of the building is a retaining wall supporting the drop in level to the railway cutting. Attached to the interior of the south wall was a pair of brackets supporting some form of winding gear.

Generator house associated with Lilley Brickworks (HER 5140). This generator house is shown on OS maps from the fourth edition of 1939. The earliest maps label it as an engine house. The building is constructed from yellow brick in English Garden Wall 1 and 3 bond with grey mortar. The roof is slate and has a metal chimney over a small extension to the south-west. The north-west and south-east elevations are mirror images of each other. Each has a tall window with stone sills and lintels and a large double door set in recessed brick. The doors are accessed by steps with black painted railings. An I-section steel girder protrudes from the south-east elevation. The girder supports an A frame and pulley system. Below the tall windows are small metal hatch doors with metal lintels. There are two windows in the north-east elevation, one is narrower than the other. Between the windows is a double door. The roof at this end of the building protrudes beyond the gable end with timber bargeboards, finial and supports near the top. The south-west elevation has two windows, one above the other on each side of the extension. The south-west elevation of the extension has a large double door and a small window above. Adjacent to the window is a set of bells, possibly for an alarm or telephone. Above the windows are two protruding I-shaped steel joists, one of which supports a pulley system. The north-west and south-east elevations of the extension have a door, below which are sockets for a timber balcony and steps. Attached to the north-east corner of the building is a coal bunker with a hinged timber cover. The interior is covered in grey plaster render which is painted white to a height of 2m. A large part of the floor is raised up. There is a pit in the south-west part of this raised area. Two parallel girders run beneath the ceiling north-west to south-east. Running along the top of the girders is a small whelled bogey with a rope hanging from one end. Adjacent to the south-west wall is a metal frame with porcelain electrical insulators. There is also an original fuse box and a small tank. There is a mezzanine floor in the extension. OS maps show railway lines running into the building from the north east.

A decorative steel-framed commercial building of the 1920s. Split into Sunco House, India House and Curtis Mayfield House. Six storeys in brick, concrete and stone, with steel-framed windows. Art-Deco style decoration including eight-pointed stars.

Newcastle Telephone Exchange. Now a big brick office block occupying most of the eastern half of Carliol Square. Five storeys and a mansard attic, and a semi basement. The flat face has 15 bays, with big decorative doorcases at the second, middle and 14th bays. These are of rusticated sandstone and rise through three storeys. First shown on OS 4th edition of 1940.

A four-storey brick building with a rather plain façade, forming the north-east corner of the Carliol Square block. The curved façade on the east end of the building is of some architectural merit. First shown on OS 4th edition of 1940.

A utilitarian brick and sandstone building with two storeys above garages, which are still in use. There are three big garage doors on Carliol Square. First shown on OS 4th edition of 1940.

A utilitarian steel-framed brick warehouse with a decorative faience façade, built in 1920 by Marshall and Tweedy of Newcastle upon Tyne. Disused and in poor condition {1}. Built in 1920 to replace a C19 inn marked the 'William 4th Public House' in 1862. The building occupies the site of two former burgage plots which were merged to form a single plot. The building was constructed as a warehouse for the firm J and G Cooper. It is of a form known as a Manchester Warehouse in which textiles were stored and sold. It is a long rectangular building built of brick and steel with its main elevation faced in faience tiles. The main elevation has four storeys. The ground floor has large square shoulder-arched windows with a central entrance and projecting string course above. A rusticated round-headed arch rises above the first and second floor windows of the central bay. The central first floor window has a pedimented hood with flanking square-headed windows. The second floor windows are round-headed. The third floor windows are square-headed with decorative scrolls flnaking the central window. To the rear there is a long warehouse over floor floors with tiers of full height lights through its northern elevation. Inside, the administration block retains its original layout and some 1920s joinery (doors and panelling in stairwell area). The original wooden stair is also present. Rooms are otherwise plain with no original fixtures and fittings. The four storey warehouse to the rear also largely retains its original layout. Each floor is a large open space, with glass or wooden partitions.

An open shed on Worswick Street, now used as a car park. Number 17 Worswick Street is a first and second floor office above the western end of the open shed. It has an Art-Deco-style stucco front of three bays. The rest of the bus station is covered by a light roof on a steel frame.

A good quality 19th century? Sandstone ashlar façade in 18th century style. Three storeys and a dormer attic, and seven bays. The three central first-floor windows have balconies and open pediments. The doors are in the end bays, flanking three segmental-arched windows. The ground floor masonry is rusticated. Internally, the building was remodelled c.1909 and may have been further altered during the addition of a modern extension. Externally, the drain pipes date between 1901-1930 identified by their British Standard Mark.