Exceptional mews house in Portobello, completely redeveloped to Passivhaus standards…Exceptional mews house in Portobello, completely redeveloped to Passivhaus standards…Originally a coach house in a Regency mews, retaining period character alongside modern design…Originally a coach house in a Regency mews, retaining period character alongside modern design…Two double bedrooms including a principal en suite…Two double bedrooms including a principal en suite…Stunning open-plan first floor with vaulted ceilings and skylights…Stunning open-plan first floor with vaulted ceilings and skylights…