Mr. Heennan, an Englishman who was the state engineer, designed the building. The foundation of Noor Palace was laid in 1872. A map and coins of the state were buried in its foundation as a good omen. Most of the palace's materials and furniture were imported from England and Italy. The construction of the palace was completed in 1875 at a cost of Rs. 1.2 million. Considering the amount of silver in the Indian Rupee Coin at 11.66 Grams in 1862, this amount in 2016 would come to about 8.1 million US dollars. Noor Palace covers an area of . It has 32 rooms including 14 in the basement, 6 verandas and 5 domes.