notary - notario
simple certificate from property register - nota
renegotiation of mortgage terms - novación
document certifying a brand new building - obra nueva
bank document certifying exact mortgage terms - oferta vinculante
cash payment - pago en efectivo
plot of land - parcela
flat - piso
power of attorney - poder
loan w/ variable interest w/ fixed min. and max. - préstamo con techo
municipal capital gains tax on sale of property - plusvalía
co-ownership of a property - proindiviso
property developer - promotor
property ownership register - registro de la propiedad
official tax representative - representante fiscal