This commentary analyses the control of unfairness carried out by the aforementioned ruling about the terms included in purchase and sale promise agreements. To this end, the applicability of the consumer protection law to these types of agreements is studied, as a condition for assessing whether the terms contained in these contracts can be considered unfair or not.El presente comentario efectúa un análisis del control de abusividad que realiza el fallo comentado respecto de cláusulas incorporadas en contratos de promesa de compraventa. Para ello se estudia la aplicabilidad de la LPDC a los contratos de promesa de compraventa, como condición para evaluar si las cláusulas contenidas en dichos contratos, pueden considerarse o no abusivas.