1. Introduction
2. Data
2.1. TRAPPIST $I{+}z$ filter transit photometry
2.2. Euler Gunn $r^{\prime}$ filter transit photometry
2.3. TRAPPIST $z^{\prime}$ filter occultation photometry
2.4. VLT/HAWK-I 1.19 and 2.09 µm occultation photometry
2.5. Euler/CORALIE spectra and radial velocities
3. Data Analysis
3.1. Method and models
3.2. Individual analysis of the eclipse time-series
3.3. Global analysis of photometry and radial velocities
4. Discussion
4.1. The physical parameters of WASP-43 b
4.2. The atmospheric properties of WASP-43 b
4.3. Transit timings
5. Conclusions