Three entrances – all similar dimensions – 0.76m/1.1m (h) x sides 1.67m (h) x centre 1.83/1.87m. All doorways have 18cm sills.
Tair mynedfa – pob un â mesuriadau tebyg – 0.76m/1.1m (uchder) x ochrau 1.67m (uchder) x canol 1.83/1.87m. Mae gan bob un o’r drysau siliau 18cm.