1958 - 1962 Early abstract paintings and Optic Arts sculptures.
1959 - 1963 SAGA Furniture Design shop Wapenplein Ostend
1963 - 1970 SAGA Design Centre at Adolf Buylstraat Ostend
1963 april 30 opening SAGA permanent exhibition center
1963 december 8th opening SAGA Design Centre
1970 2nd Biennale Interieur ‘70 Kortijk (B) G-Collection
1971 Mechelen NOVA ‘Ontmoetingen met Design’
1972 3d Biennale Interieur ‘72 Kortijk (B) Rondo Collection
1974 Galerij Hautman, St. Sebastiaanstraat 8 - 8400 Oostende. Solo Exhibitions with Tekeningen, beelden, schilderijen. 22 dec. 1974 - 19 jan. 1975
1977 Huidevettershuis Brugge, Keramieksculpturen 11 - 31 dec. 1977
1977 Galerij Atelier, Van Iseghemlaan 88-90 - 8400 Oostende. Paintings en Ceramic Sculptures. Introduction Fenand Bonneure.
1978 Casino Blankenberge, Benedenhall Casino, Schilderijen en beeldhouwwerken, 1 - 29 Juli 1978
1978 Permeke Museum Jabbeke: Provinciale Prijs Beeldhouwkunst. 2 Juli - 01 Oktober 1978.
1980 Galerie Abras - Mont des Arts à Bruxelles. 19 sept. 11 oct. 1980
1984 Brugge de Chagall 8 juni - 31 augustus, 1984. Solo tentoonstelling.
1984 Brugge Hotel Navarra Brugge, tentoonstelling - Atelier Deforce.
1985 Kunstgalerij de elfde kamer, Langestraat 158 - 8000 Brugge. Duo tentoonstelling met werk van Lieven Debrabandere en Erik Deforce
1986 Stadshallen Brugge SANT ‘86
1994 Brugge Interieur en tuin. Jong Wonen Brugge Beurshalle 15 ma. - 13 ma 1994. Presentation new collection Design furniture D&D (Deforce & Devrieze).
1994 Interieur 94, Kortrijk (B) 15-23 October D&D Fiamingi Collection
1999 Knesselare Gemeentehuis Tentoonstelling Schilderijen october ‘99
2005 dans le cadre exceptionnel de l’église d’Apchon, Expostition des oeuvres contemporaines du peintre flamand Erik Deforce. 15 jul. - 20 aug. 2005
2006 Riom-és-Montagnes, Exposition Nouvelles Peintures 8 jul. - 31 Jul. 2006
Deforce was very fond of the idea of presenting his works in living interiors rather than galleries. Many other small exhibitions of his art works where done at private homes, restaurants, bars and hotels.