# Carlton House Terrace

Carlton House Terrace is a street in the St James's district of the City of Westminster in London. Its principal architectural feature is a pair of terraces, the Western and Eastern terraces, of white stucco-faced houses on the south side of the street, which overlook The Mall and St. James's Park. These terraces were built on Crown land between 1827 and 1832 to overall designs by John Nash, but with detailed input by other architects including Decimus Burton. Construction was overseen by James Pennethorne. Both terrace blocks are Grade I listed buildings. A separate but linked cul-de-sac at the terrace's western end is named Carlton Gardens and has a few additional townhomes.
In the early 18th century, an aristocratic townhouse built on the site was rented by Baron Carleton, from whom the present name of the terrace derives. A century later, Carlton House, also known as Carlton Palace, gained a prominent social profile when it was enlarged and occupied by the Prince Regent. After falling out of favour with George IV, who moved into Buckingham Palace on his accession in 1820, the house was pulled down and the Crown replaced the demolished palace with the current terraces. They are divided by the Duke of York's Steps which lead down from Pall Mall to The Mall, as part of Nash's triumphal redesign of central London. A smaller flight of steps at the terrace's western end divides it from Carlton Gardens. These steps are the site of the King George VI and Queen Elizabeth Memorial.
The site's proximity to the centres of royal and political life in London have seen a large number of notable people take up residence in the terrace and the adjacent gardens. These include Prime Ministers, Lords Palmerston and Grey, William Gladstone, who lived in a number of houses in both the terrace and the gardens, and Arthur Balfour; other senior politicians such as Lord Curzon; and soldiers including Lords Cardigan and Kitchener. In the mid-20th century, Number 9 served as the German Embassy while Number 4 Carlton Gardens housed the offices of Charles de Gaulle's Free French forces. The terrace is a centre for the arts and sciences, housing the headquarters of the British Academy, the Royal Society, the Royal Academy of Engineering, the Institute of Contemporary Arts and the Federation of British Artists. In the 21st century the majority of the houses are occupied as corporate or institutional headquarters, while a smaller, but increasing, number serve as private homes. For many years Numbers 13–16 housed the headquarters of the Crown Estate which continues to own the freehold of the terrace.

## History
### Background

The land on which Carlton House Terrace was built had once been part of the grounds of St James's Palace, known as "the Royal Garden" and "the Wilderness". The latter was at one time in the possession of Prince Rupert of the Rhine (cousin of Charles II) and was later called Upper Spring Garden. From 1700 the land was leased by Henry Boyle, who spent £2,835 on improving the existing house in the royal garden. Queen Anne issued letters patent granting Boyle a lease for a term of 31 years from 2 November 1709 at £35 per annum. Boyle was created Baron Carleton in 1714, and the property has been called after him since then, although at some point the "e" was dropped.
On Carleton's death the lease passed to his nephew, the architect and aesthete Lord Burlington, and in January 1731 George II issued letters patent granting Burlington a reversionary lease for a further term of 40 years at an annual rent of £35. By an indenture dated 23 February 1732 the lease was assigned to Frederick, Prince of Wales, eldest son of George II, who predeceased his father, dying in 1751; his widow, Augusta, continued living in the house, making alterations and purchasing an adjoining property to enlarge the site. She died in 1772 and the house devolved to her son, King George III.
The property was granted by George III to his eldest son, George, Prince of Wales (later Prince Regent) on the latter's coming of age in 1783. The Prince spent enormous sums on improving and enlarging the property, running up huge debts. He was at loggerheads with his father, and the house became a rival court, and was the scene of a brilliant social life. Despite expenditure of over £160,000 on the house, the diarist Joseph Farington recorded that it was "a thing of threads and patches" and was considered to be unsafe. The Prince Regent came to dislike the building and on his accession in 1820, he moved to Buckingham Palace. Instructions were given in 1826 to the Commissioners of Woods and Forests that "Carlton Palace" should be given up to the public, be demolished and the site and gardens laid out as building ground for "dwelling houses of the First Class". By 1829 the Commissioners reported that the site was completely cleared and that part of it had already been let on building leases. Materials from the demolition were sold by public auction, with some fixtures transferred to Windsor Castle and to "The King's House, Pimlico". Columns of the portico were re-used in the design for the new National Gallery in Trafalgar Square, interior Ionic columns were moved to the conservatories of Buckingham Palace, and some of the armorial stained glass was incorporated in windows of Windsor Castle.

### Construction

After Carlton House was demolished the development of its former site was originally intended to be part of a scheme for improving St James's Park. For this John Nash proposed three terraces of houses along the north of the park, balanced by three along the south side, overlooking Birdcage Walk. None of the three southern terraces and only two of the three northern ones were built, the latter being the west (No.1–9) and east (No. 10–18) sections of Carlton House Terrace. These two blocks were designed by Nash and Decimus Burton, with James Pennethorne in charge of the construction. Decimus Burton exclusively designed No. 3 and No. 4. Carlton House Terrace. These townhouses took the place of Carlton House, and the freehold still belongs to the Crown Estate. Nash planned to make contiguous the two blocks with a large domed fountain between them (re-using the old columns of the Carlton House portico), but the idea was vetoed by the King; the present-day Duke of York's Steps took the place of the fountain. In 1834 the Duke of York's Column was erected at the top of the steps. It consists of a granite column designed by Benjamin Wyatt topped with a bronze statue by Richard Westmacott of Frederick, Duke of York.
The terraces, which are four storeys in height above a basement, were designed in a Neoclassical style, stucco clad, with a Corinthian columned façade overlooking St James's Park, surmounted by an elaborate frieze and pediment. At the south side, facing the park, the lower frontage has a series of squat Doric columns, supporting a substantial podium terrace at a level between the street entrances to the north and the ground floor level of the modern Mall. The houses are unusual as they are expensive London terraces which have no mews to the rear. The reason for this was that Nash wanted the houses to make the best possible use of the view of the park, and also to present an attractive façade to the park. The service accommodation was placed underneath the podium and in two storeys of basements (rather than the usual one storey).
According to the architectural historian Sir John Summerson Nash's designs were inspired by Ange-Jacques Gabriel's buildings in the Place de la Concorde, Paris. Summerson's praise of the buildings is muted:
   The central pediments are a somewhat too contrived means of preventing an apparent sag in a very long façade and the attics on the end pavilions may be over-emphatic. Subtlety of modelling there is none. In fact, Carlton House Terrace is thoroughly typical of the extraordinary old man who designed it, but whose only contribution to the work was probably the provision of a few small sketches, done either in the glorious painted gallery of his Regent Street mansion or the flower-scented luxury of his castle in the Isle of Wight.
The authors of the Survey of London take a more favourable view:
   The houses … form a double group each side of the Duke of York's Column. Designed as an architectural entity, facing the Park, they represent with their range of detached Corinthian columns, a pleasing example of comprehensive street architecture; an effect greatly enhanced by the freshness of their façades … The end house to each block is carried up above the roof of the main façade, thereby effecting a successful pavilion treatment. The return fronts of the houses facing the steps are also effectively treated in a complementary manner.
Although Nash delegated the supervision of building to Pennethorne, he kept the letting of the sites firmly in his own hands. Ground rents, payable to the Crown, were set at the high rate of 4 guineas per foot frontage. Nash himself took leases of five sites – nos 11–15 intending to let them on the open market at a substantial profit. In the event he could not cover his total costs and made a small loss on the transactions.

### Later history

In 1832 the Carlton Club, which had been formed by the Duke of Wellington and others shortly beforehand, took up residence in number 2, courtesy of one of its supporters Lord Kensington The club soon found the building to be too small and it moved to a new purpose built clubhouse on Pall Mall in 1835 but retains the Carlton name.
In the 20th century the terrace came under threat of partial or complete demolition and redevelopment, as were country houses at that time. By the 1930s there was little demand for large central London houses, and the Commissioners of Crown Lands were having difficulty in letting the properties. Two properties were let to clubs: no 1 to the Savage Club and no 16 to Crockford's gambling club, but residential tenants became hard to find. Proposals for redevelopment were put forward by the architect Sir Reginald Blomfield, who had earlier been one of those responsible for replacing Nash's Regent Street buildings with larger structures in the Edwardian neo-classical style. Blomfield proposed rebuilding "in a manner suitable for hotels, large company offices, flats and similar purposes". The suggested new buildings were to be two storeys higher than Nash's houses, and there was an outcry that persuaded the Commissioners not to proceed with the scheme.
The terrace was severely damaged by German bombing during the Second World War. In the 1950s the British government considered acquiring the terrace as the site for a new Foreign Office headquarters. The Nash façades were to be preserved, but it was widely felt that the height of the redevelopment behind them would be unacceptable and the plans were not taken forward.

### Occupants

The terrace has had many notable residents, both corporate and individual:
* Number 1 was the headquarters of the Institute of Materials, Minerals and Mining from 1972 to 2015. Joseph Hodges Choate (US Ambassador to the Court of Saint James) lived at Number 1 from 1899 to 1904. Lord Curzon (Foreign Secretary and Viceroy of India) lived there from 1905 to 1925. In 2020 it was owned by the Saudi businessman Salah Hamdan Albluewi.
* Number 2 is the UK office of the French asset management firm Carmignac. It was formerly the home of the Carlton Club from 1832 to 1835.
* Numbers 3–4 house the Royal Academy of Engineering. Number 4 was the home of William Ewart Gladstone (Prime Minister) in 1856 (see also Number 11 below). Lord Revelstoke (Baring family and Barings bank principal partner) lived at Number 3 from 1904 to 1929.
* Number 5 is the location of the Turf Club. It was the home of Lord Palmerston (Prime Minister) from 1840 to 1846.
* Numbers 6–9 are now the home of the Royal Society. Numbers 7–9, then known as Prussia House, was the Prussian, then German Embassy until 1939; that is now in Belgrave Square. The house was home to both Joachim von Ribbentrop (German Ambassador) from 1936 to 1938, and his predecessor Leopold von Hoesch. Von Hoesch's dog, Giro, is buried in the garden of No 9. The run retains interiors designed in 1937 by Albert Speer.
* Numbers 10–11 house the British Academy. William Gladstone lived at Number 11 from 1857 to 1875. In the post-war period the houses were offices for the Information Research Department (IRD), a secret branch of the Foreign Office dedicated to creating pro-colonial and anti-communist propaganda.
* Number 12 is the Institute of Contemporary Arts, which also occupies much of the basement of the East Terrace.
* Numbers 13–16 are owned on a long lease by the Hinduja brothers (including S. P. Hinduja, Gopichand Hinduja, and Prakash Hinduja), industrialists from India. Number 13 was the home of Earl Grey (Prime Minister) from 1851 to 1857 and again from 1859 to 1880. The Crown Estate had its headquarters for many years in these houses but moved in 2006 to another property that it owned in New Burlington Place.
* Number 17 is home to the Federation of British Artists and the Mall Galleries. It was formerly the home of Lord Cardigan (leader of the Charge of the Light Brigade) from 1832 to 1836.
* Number 18 is a private residence. At the time of its sale in 2013, for a guide price of £250M for the remaining 78-year lease, it was described variously as London, or the world's, most expensive house. William Waldorf Astor, 1st Viscount Astor (American-born businessman) lived there between 1906 and 1909.
* Numbers 19–21 were badly damaged during World War II and demolished thereafter. The Survey of London records that Numbers 18–24 were of later construction, being built on the site of the Carlton House riding stables between 1866 and 1868. The site is now occupied by two post-war blocks of offices and flats, Numbers 20 to 24. Neither building forms part of the original Nash Terrace, standing on the northern and eastern sides of the street. Number 20 is the global headquarters of mining company Anglo American plc. Number 24 is a 1970s purpose built block of 15 flats adjoining Number 20. Ashraf Marwan (Egyptian billionaire arms dealer and former spy) died after falling from his flat in this block.

## Carlton Gardens

At the west end of Carlton House Terrace is a cul-de-sac called Carlton Gardens, which was developed at a slightly later date. It originally contained seven large houses, though all but Numbers 1–3 have been replaced by office blocks.

### Occupants

As with Carlton House Terrace, the houses in Carlton Gardens have had a large number of notable residents:
* Number 1 is an official ministerial residence normally used by the Foreign Secretary. Previous occupants included: F. J. Robinson, 1st Viscount Goderich, (1832–59), Prime Minister between 1827 and 1828; and his son, George Robinson, 1st Marquess of Ripon, (1847–89); Napoleon III, (1840); Alfred Harmsworth, 1st Viscount Northcliffe, (1920–22), the newspaper magnate and Viscount Bearsted, (from 1928), son of the founder of Shell plc and later its chairman.
* Number 2 is the headquarters of the Institute for Government and was previously occupied by the Privy Council Office. Residents prior to this included: Elizabeth Mary Huskisson, (1831–50), widow of the politician William Huskisson; Robert Loyd-Lindsay, founder of the British Red Cross, inherited Number 2 from his father-in-law Samuel Jones-Loyd, 1st Baron Overstone in 1883; it remained his London residence until his death in 1901. His widow Lady Wantage later briefly leased Number 2 to Lord Kitchener. Victor Cavendish, 9th Duke of Devonshire lived at the house from 1920.
* Number 3 was firstly the home of Charles Arbuthnot, (1831–35), diarist and confidante of the Duke of Wellington. Between 1927 and 1931, it was owned by Courtenay Morgan, 1st Viscount Tredegar. MI6's Section Y was housed in Number 3, Carlton Gardens after the Second World War. The analytics department was headed by Col. Tom Grimson. His deputy, the traitor George Blake, was brought to Number 3 for interrogation after his capture in 1961. Since 2019 it has been owned by the hedge fund manager Ken Griffin.
* Number 4 was home to two Prime Ministers, Lord Palmerston and Arthur Balfour. It later served as Charles de Gaulle's government in exile, Free France. There is now a statue of Charles de Gaulle in front of it.
* Number 5 was home to Sidney Herbert, 1st Baron Herbert of Lea, (1846–51), politician and close friend of Florence Nightingale.
* Number 6 was home to William Gladstone (1838–41 and 1848–54), and a number of members of his family.
* Number 7 was home to Frances, Countess Waldegrave, (1854–79).

## Historic listing designations

Carlton House Terrace is a Grade I listed building. The listing is in two parts, the first covering Numbers 1–9, and the second Numbers 10–18. The buildings comprising Carlton Gardens have three listings, all at Grade II*, for No.1, No.2, and for No.3. Twenty seven lamp standards illuminating the terrace and garden are listed at Grade II. A pair of bollards outside No.4 Carlton House Terrace also has a Grade II listing.

## Gallery

* Clockwise from top left: Carleton, Burlington, the Prince Regent and John Nash
* The terrace seen from the south, with the squat Doric columns at ground level and the Corinthian columns and pediment above
* Number 18 Carlton House Terrace
* The East Terrace and the Duke of York's Steps
* Panorama of the West Terrace. Numbers 8 and 9, formerly the German Embassy and now the home of the Royal Society, are the tall houses at the near end of the terrace
* Panorama of The Mall frontage of the West Terrace
* Number 2, Carlton Gardens
* The plaque commemorating the headquarters of General de Gaulle at 4 Carlton Gardens in London during World War II