Trinity College of Music is a Grade II listed building in the Westminster local planning authority area, England. First listed on 4 January 1991. College, house. 3 related planning applications.

Trinity College of Music

WRENN ID
woven-step-ash
Grade
II
Local Planning Authority
Westminster
Constituency
Cities of London and Westminster MP: Rachel Blake (Lab)
Country
England
Date first listed
4 January 1991
Type
College, house
Address
Trinity College of Music, 11 and 13, Mandeville Place, City of Westminster, W1U 3AJ
OS grid reference
TQ 283 813
Coordinates
51.51664, -0.15151
Source
Historic England listing

Also on this page: sale history · EPC · related consents · flood risk · radon risk · weather exposure · detailed attributes ↓

Description

Trinity College of Music comprises two terraced houses built around 1875, converted to a music college around 1921-22. The conversion was carried out by architects Cheadle and Harding, who added a new portico and purpose-built rooms.

The buildings are constructed in red brick with stone dressings and quoins, featuring a chanelled ashlar ground floor. They are topped with slated mansard roofs with dormers in the French style, with cast iron cresting and elaborate detailing. The roofline at one angle is steeply pitched with ornamental cast iron cresting.

The complex comprises four storeys, attics and basement on one section (six windows wide), then five storeys to the right-hand angle (two windows wide). The right-hand angle is canted with a single window to each floor. The return elevation includes a blind bay and a bay with a three-light canted bay window.

An asymmetrically positioned two-storey portico of the Ionic order (tetrastyle in antis) dominates the entrance, with the words "Trinity College of Music" inscribed in the frieze. The central porch projects forward with a pediment and features an enriched architrave to the entrance. The door surround is decorated with Greek key patterning over a panel, rounded detail, and lyre and swag enrichment to the frieze. The columns flank architraved sash windows with keystones on the ground floor and casements with wrought iron balconies on the first floor.

The ground floor features segmental arched windows. Upper floors have architraved windows; the first floor displays cornices and a continuous cast iron balcony (stone on the return); the second floor has architraved sashes with cornices and open patterned stone window guards linked by a band; the third floor on the right includes stone aprons. A stone band runs across at third floor level. A projecting bracketed cornice is surmounted by a stone balustrade, with the cornice continuing at fifth floor level on the right-hand bays.

The interior contains decoration and fittings of considerable quality and interest. The entrance hall features a pair of fluted Aeolic columns in oak supporting a plaster entablature, with the frieze resting on the capitals while the architrave passes behind. A carved wood entrance doorcase is surmounted by a figure of Pan. Arches with moulded plaster masks flank the stairs, which are flanked by pilasters with bird capitals. The oak staircase has turned balusters on the upper flights.

The ground floor library is executed in mid-Georgian style with well-executed Kenhan doorcases. The principal first floor rooms comprise a concert hall and boardroom, both finished in a semi-Grecian, semi-Adam style. The boardroom features a well-executed frieze and cornice; the chimney piece is in Greek revival style with anthemian frieze and pilaster capitals, and incorporates a good marble fireplace. The ceiling is in Adam style plaster. The concert hall is panelled in oak to frieze height with fluted pilasters, and features a plaster ceiling of Adam-derived rosettes set within broad plain bands. An organ with a carved oak case is positioned in the concert hall.

The window fanlights contain stained glass coats of arms of past presidents of the college by A K Nicholson. Additional Nicholson glass of considerable interest appears in the west windows along the staircase and in the former library. The panels depict John Fornsete (composer of the earliest known written piece of music in England), Geoffrey Chaucer, Shakespeare, Samuel Pepys (whose panel includes a picture of the building in the right-hand corner), and Henry Purcell. Medallion portraits of Byrd, Gibbons, Lawes, Arne, Sullivan and Edgar are also included. The glass represents the connection between literature and music and is of considerable interest as a declaration of the period's musical taste.

Local climate

Trinity College of Music sits in one of the driest parts of the UK, with an average of 700 mm of rain a year. This makes it drier than 93% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 94% of listed buildings.

It experiences an average of 34 freeze-thaw cycles a year, more than 51% of listed buildings. Of these, 15 follow at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.3°C per decade since 1991.

Averages for 1991–2020; temperature trend 1991–2025. Figures describe the wider area (a grid cell of roughly 10 km), not the individual site. Contains modified Copernicus Climate Change Service information 2026.

More on this building

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  • Full EPC report — heating system, energy costs, size, glazing, construction etc.
  • Sale history — 3 transactions since 1999
  • Related listed building consents — 3 applications
  • Detailed attributes — period, style, materials, features
  • Flood risk assessment
  • Radon risk assessment
  • Weather exposure and heating demand — rain and frost month by month and year by year, wind direction, solar and humidity
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