Rubuta ci gaba don wannan sakin layi - Tsakanin Mayu 1367 da Satumba 1370 gyare-gyare ya kashe £ 2,262. Rubuce-rubucen sun nuna cewa an gyara sassan bangon labule kuma an gina hasumiya biyu na bango, ɗaya daga cikinsu ya maye gurbin hasumiya a wuri ɗaya. An sanya hasumiyoyin a arewa maso gabas na ci gaba kuma har yanzu suna tsaye. An yi ƙarin aiki tsakanin shekara ta 1370 da 1377, shekarar da Edward ya mutu. Ba a taɓa gyara gidajen sarauta da aka gina a lokacin mulkin Henry III ba; an ba da shawarar cewa wannan ya faru ne saboda a ƙarni na 14, lokacin da aka kashe kuɗi mai yawa a kan gyare-gyare a wasu wurare a cikin fadar, Rochester ya faɗi daga tagomashi a matsayin gidan sarauta. Yayin da mahimmancin gidan sarauta ya ragu, matsayinsa na sansanin soja da cibiyar gudanarwa ya zo gaba. A lokacin mulkin Richard II (1377-1400) ya ga saka hannun jari na £ 500 don gyara gidan. Wannan wani bangare ne na mayar da martani ga hare-haren Faransa a gabar kudancin Ingila a lokacin Yakin Shekaru ɗari yayin da dukiyar Ingila a cikin rikici ta tsananta. Mafi mahimmancin waɗannan ayyukan shine gina hasumiya a ƙarshen arewacin gidan, yana kallon gadar da ke kan Medway. Rubuce-rubucen sun ba da adadin £ 350 da aka kashe a kan sabon hasumiya tsakanin 1378 da 1383, kuma mafi yawanci yana nufin wanda ke kula da gada. Rochester Castle ya ga yaƙi na ƙarshe a lokacin Farmers 'Ributun
na shekara ta 1381. An kewaye shi da kuma kama shi da wani rukuni na 'yan tawaye waɗanda suka sace gidan sarauta kuma suka saki fursuna. An ba da shawarar cewa £ 66 10s da aka kashe a cikin 1384<unk>1388 da £ 91 13s da aka kashe a cikin 1395<unk>1397 na iya zama wani ɓangare don mayar da martani ga lalacewar da aka yi a lokacin tawaye.