Den, der k\u00f8ber et hus, der best\u00e5r af to lige\u00adv\u00e6r\u00addi\u00adge boli\u00adgen\u00adhe\u00adder, kan ikke auto\u00adma\u00adtisk p\u00e5ber\u00e5\u00adbe sig den lov\u00adbe\u00adstem\u00adte regel om hal\u00adve\u00adring af m\u00e6g\u00adler\u00adpro\u00advi\u00adsio\u00adnen. Det har For\u00adbunds\u00addom\u00ads\u00adto\u00adlen pr\u00e6cis\u00ade\u00adret i en nylig dom og der\u00admed afkla\u00adret begre\u00adbet \u00bbenfa\u00admi\u00adlie\u00adhus\u00ab i m\u00e6glerretten.<\/p>\n\n\n\n
Siden 2020 har f\u00f8l\u00adgen\u00adde g\u00e6ldt i Tysk\u00adland: Hvis en ejen\u00addomsm\u00e6g\u00adler kr\u00e6\u00adver pro\u00advi\u00adsi\u00adon fra b\u00e5de s\u00e6l\u00adge\u00adren og k\u00f8be\u00adren af en ejen\u00addom, skal beg\u00adge par\u00adter beta\u00adle det sam\u00adme bel\u00f8b. Den\u00adne regel, det s\u00e5kald\u00adte hal\u00adve\u00adrings\u00adprin\u00adcip, er fast\u00adlagt i \u00a7 656c i den tyske bor\u00adger\u00adli\u00adge lov\u00adbog (BGB) og g\u00e6l\u00adder dog kun ved k\u00f8b af en lej\u00adlig\u00adhed eller et enfa\u00admi\u00adlie\u00adhus. En m\u00e6g\u00adleraf\u00adta\u00adle, der afvi\u00adger her\u00adf\u00adra, er ugyl\u00addig i hen\u00adhold til loven.<\/p>\n\n\n\n
En ejen\u00addomsm\u00e6g\u00adler hav\u00adde for\u00admid\u00adlet en grund med et hus til k\u00f8be\u00adren, som bes\u00adtod af to fuldt udbyg\u00adge\u00adde, sepa\u00adrat udle\u00adje\u00adde boli\u00adgen\u00adhe\u00adder. Ejen\u00addom\u00admen var i annon\u00adcen bete\u00adg\u00adnet som et tofa\u00admi\u00adlie\u00adhus og blev ogs\u00e5 ben\u00e6vnt s\u00e5le\u00addes i den nota\u00adrielt bekr\u00e6f\u00adte\u00adde k\u00f8b\u00adsaf\u00adta\u00adle. F\u00f8rst efter indg\u00e5el\u00adsen af m\u00e6g\u00adleraf\u00adta\u00adlen med\u00addel\u00adte k\u00f8be\u00adren m\u00e6g\u00adle\u00adren, at han fre\u00admo\u00adver selv \u00f8ns\u00adke\u00adde at bo i huset.<\/p>\n\n\n\n
K\u00f8be\u00adren n\u00e6g\u00adte\u00adde efter\u00adf\u00f8l\u00adgen\u00adde at beta\u00adle m\u00e6g\u00adler\u00adpro\u00advi\u00adsio\u00adnen. Han h\u00e6v\u00adde\u00adde, at m\u00e6g\u00adle\u00adren hav\u00adde over\u00adtr\u00e5dt prin\u00adcip\u00adpet om lige\u00adlig for\u00adde\u00adling, da han ikke hav\u00adde for\u00addelt pro\u00advi\u00adsio\u00adnen lige\u00adligt mel\u00adlem k\u00f8ber og s\u00e6l\u00adger. Der\u00adfor var m\u00e6g\u00adleraf\u00adta\u00adlen ugyldig.<\/p>\n\n\n\n
For\u00adbunds\u00addom\u00ads\u00adto\u00adlen gav ejen\u00addomsm\u00e6g\u00adle\u00adren med\u00adhold. Ret\u00adten fast\u00adslog, at sp\u00f8rgs\u00adm\u00e5\u00adlet om, hvor\u00advidt en ejen\u00addom skal klas\u00adsi\u00adfi\u00adce\u00adres som et enfa\u00admi\u00adlie\u00adhus, afg\u00f8\u00adres ud fra tids\u00adpunk\u00adtet for kon\u00adtrak\u00adtens indg\u00e5el\u00adse. Her er det f\u00f8rst og frem\u00admest bygn\u00adin\u00adgens objek\u00adti\u00adve egen\u00ads\u00adka\u00adber, der er afg\u00f8rende.<\/p>\n\n\n\n
Et hus med to boli\u00adgen\u00adhe\u00adder af sam\u00adme v\u00e6r\u00addi, hvo\u00adr\u00adaf ingen har en under\u00adord\u00adnet betyd\u00adning, opf\u00adyl\u00adder netop ikke beting\u00adels\u00ader\u00adne for et enfa\u00admi\u00adlie\u00adhus. Ret\u00adten p\u00e5pe\u00adge\u00adde, at den i tid\u00adli\u00adge\u00adre afg\u00f8\u00adrel\u00adser gans\u00adke vist hav\u00adde anset en til\u00adknyt\u00adtet bolig for at v\u00e6re ube\u00adty\u00adde\u00adlig. En fuldgyl\u00addig anden bolig adskil\u00adler sig imid\u00adlert\u00adid grund\u00adl\u00e6g\u00adgen\u00adde fra en til\u00adknyt\u00adtet bolig.<\/p>\n\n\n\n
Hvis en k\u00f8ber alli\u00adge\u00advel \u00f8ns\u00adker, at hans per\u00adson\u00adlige brugs\u00adfor\u00adm\u00e5l skal tages i betragt\u00adning ved vur\u00adde\u00adrin\u00adgen, skal han med\u00adde\u00adle det\u00adte til ejen\u00addomsm\u00e6g\u00adle\u00adren senest ved indg\u00e5el\u00adsen af m\u00e6g\u00adleraf\u00adta\u00adlen. Den, der und\u00adla\u00adder det\u00adte, kan sene\u00adre ikke l\u00e6n\u00adge\u00adre p\u00e5ber\u00e5\u00adbe sig prin\u00adcip\u00adpet om lige\u00adlig for\u00adde\u00adling. I til\u00adf\u00e6l\u00adde af tvist skal k\u00f8be\u00adren desu\u00adden bevi\u00adse, at han har med\u00addelt sin hen\u00adsigt i tide.<\/p>\n\n\n\n
For ejen\u00addom\u00adsk\u00f8\u00adbe\u00adre bety\u00adder den\u00adne dom, at den blot\u00adte hen\u00adsigt om selv at flyt\u00adte ind i et tofa\u00admi\u00adlie\u00adhus ikke bes\u00adkyt\u00adter mod en ale\u00adne\u00adforp\u00adlig\u00adtel\u00adse til at beta\u00adle pro\u00advi\u00adsi\u00adon til ejen\u00addomsm\u00e6g\u00adle\u00adren. Den, der \u00f8ns\u00adker at g\u00f8re krav p\u00e5 den lov\u00adbe\u00adstem\u00adte hal\u00adve\u00adrings\u00adre\u00adgel, skal klart og doku\u00admen\u00adter\u00adbart til\u00adken\u00adde\u00adgi\u00adve sin hen\u00adsigt om at bebo ejen\u00addom\u00admen f\u00f8r eller senest ved kontraktindg\u00e5elsen.<\/p>\n\n\n\n
K\u00f8ber og s\u00e6l\u00adger b\u00f8r, n\u00e5r det g\u00e6l\u00adder m\u00e6g\u00adler\u00adpro\u00advi\u00adsio\u00adnen, hol\u00adde \u00f8je med ejen\u00addom\u00admens kon\u00adkre\u00adte bes\u00adkaf\u00adfen\u00adhed og i tvivl\u00adstil\u00adf\u00e6l\u00adde s\u00f8ge juri\u00addisk r\u00e5d\u00adgiv\u00adning, inden de under\u00adskri\u00adver en m\u00e6glerkontrakt.<\/p>\n\n\n\n
For\u00adbunds\u00addom\u00ads\u00adto\u00adlen (BGH), dom af 16. juli 2026, sag nr. I ZR 111\/25<\/strong><\/p>\n\n\n\n