Hall Lane, Ingatestone. Open to the public on certain days during the summer, this 16th-century building was built for Sir William Petre in 1548 and was visited by Elizabeth 1 in 1561. One of the finest Tudor mansions in the country and the seat of the present Lord Petre, it is built of red Tudor brick with leaded lights. The Gatehouse has a unique clock turret, which has a painted single-handed clock face along with the Petre family motto 'Sans Dieu Rien'.

Roman Road, Mountnessing. A traditional post mill built in 1807 and restored to its original working condition. Open to the public on the third Sunday of each month May-Oct. 2-5pm

Ingrave Road, Brentwood. The new Roman Catholic classically styled cathedral incorporates the original Victorian church. Designed by distinguished architect Quinlan Terry with roundels by Ralph Maklouf, it was opened in May 1991 by the Archbishop of Westminster, Cardinal Basil Hume. The building cost over £2 million and has become a local landmark.

London Road, Brentwood. This attractive 16th-century building is mentioned in Samuel Pepys' diaries and is said to have been visited often the Tudor monarch Henry VIII when Henry Roper, Gentleman Pursuant to Queen Catherine of Aragon, lived there in 1514. It is now a hotel and restaurant.

44 High Street, Brentwood. Open Monday-Saturday 9.00-17.00, the centre is housed in an attractive building possibly of medieval origin although the present construction is 18th century. It is sited in front of the old chapel of St Thomas à Becket with walls of irregular ragstone and flint. The foundations have been dated 1222 but may have been a re-dedication of an earlier building. This is a Scheduled Ancient Monument.

Blackmore. The church includes the remain of an Augustine priory dating back to the 12th century and features one of the finest 15th century timber bell towers in England. The adjoining Jericho Priory (not open to public) is thought to have been built on the site of an early16th century house, a country retreat for Henry VIII, and the birthplace of his natural son, Henry Fitzroy, Duke of Richmond. Blackmore also has some ancient stocks at the junction of Stocks Lane and Blackmore Road.

Ingrave Road, Brentwood. Founded in 1568. It has a Tudor Chapel and several Grade II listed buildings sited in Ingrave Road and behind the greens of Shenfield Road. The school can generally only be viewed externally except on Heritage Open Days.

Wilson's Corner, Brentwood. Commemorates the silk-waver's apprentice who was burnt for his religious beliefs at the age of 19 on 26th March 1555.

Kelvedon Hatch. Situated on the A128 Brentwood/Chipping Ongar Road at Kelvedon Hatch, this was one of Britain's best-kept secrets. The nuclear bunker is cunningly concealed 100ft below ground, covers three acres and is three storeys deep. Built in great secrecy in 1952, it was intended to house Government and civilian personnel in the event of a nuclear war. Included in the accommodation are a giant communications room, an administration room, BBC studio, and telephone exchange. Guided tours and audio trail available.

St Thomas' Road, Brentwood. Grade II listed Victorian Gothic church in the early English style, situated in the heart of Brentwood.

Shonks Mill Road, Navestock. Grade I listed and of 11th and 12th century origin, the timber framed belfry tower is especially interesting. The walls are rendered and the roof peg-tiled. In 1940, a World War Two land mine exploded in the churchyard.

Rayleigh Road, Hutton. Poplars Hall is an imposing red brick building, built originally in 1906 as the dining hall for a residential home and school for needy children from the London parish of Poplar. Externally it has an unusual clock tower and beautiful carved brick and stonework. Inside, the main hall, with giant wooden beams, Victorian tiling and coloured leaded lights, is well worth a visit. The hall is available for hire for functions, seminars and other events.

Warley Road, Great Warley. Now a nature reserve maintained by Essex Wildlife Trust, it was once the home of Victorian horticulturist, Ellen Wilmott. Many exotic and rare plants still feature in the 16-acre site but, for their protection, it is only open to non-residents once a year.