The Irish Architectural Archive holds a collection of more than 400,000 photographic images. These range in date from the mid-nineteenth century beginnings of photography to the present day . The vast majority of the Archive’s photographs are black and white, although some colour transparencies are held and colour photography is used to record distinctive historic colour schemes.

The Archive maintains an ongoing record photography programme, capturing buildings on film throughout the country, especially those in imminent danger of alteration or demolition. This record photography forms an important core to the photographic collections, and it is complemented by extensive holdings of historic images and important collections of photographs taken by individual architectural photographers and commercial photographic companies. The Archive also holds photographic copies of material in private and public collections in Ireland and abroad.

Photographic collections include:
BKS Aerial Survey Photographs (96/96)
Buckley Ryan & O’Gorman Photographs (88/94)
Buildings of Ireland Photographs (78/37)
Edward Cassidy Photographs (98/97)
Castle Barnard Albums (82/13)
Eddie Chandler Photographs (83/33)
Charleville Carte de Visite Albums
Peter Costello Church Photographs (91/27)
Maurice Craig Photographs (2001/16)
Alec R. Day ARPS Photographic Collection (81/84)
Deegan Photographs (96/21)
Hugh Doran Photographs (80/33)
J.V. Downes Glass Lantern Slide Collection (97/75)
Dublin Corporation Dangerous Buildings Photographs (84/93)
An Foras Forbartha Photographs (81/41)
Kieran Glendinning Collection (94/46)
Brendan Grimes Carnegie Library Photographs (99/125)
Thomas Gunn Collection (95/16)
Green Studio Negatives (80/13)
Paddy Healy Collection (2000/76)
Jarlath Hayes Photographs (98/102)
Irish Georgian Society Photographs (77/2)
Light of Other Days/Lawrence Collection Copy Photographs (79/11)
Parnell Square Photographs (82/31)
Patrick Rossmore Photographs (80/10)
Savoy Cinema Photograph Album (85/57)
Thomas A. Westropp Albums (96/57)
Zupanc Collection (2004/28)

Within the confines of copyright legislation, copies of most of the photographs held by the Archive are available.