Originally, there were three people living in three bedrooms, and people were added to the other two bedrooms behind the landlord. Can the tenant in the third bedroom apply for rent reduction?

Look at the contract Is there a rule that only one person can live in a room? If you don't add people to your family, you have no right to ask for rent reduction.

Relevant provisions of Article 3 of the House Lease Contract Law:

Article 212 A lease contract is a contract in which the lessor delivers the lease item to the lessee for use and the lessee pays the rent.

Article 213 The contents of a lease contract include the name, quantity, purpose, lease term, rent, payment term and method, maintenance and other terms of the lease item.

Article 214 The lease term shall not exceed 20 years. More than twenty years, the excess part is invalid. Upon the expiration of the lease term, the parties may renew the lease contract, but the agreed lease term shall not exceed 20 years from the date of renewal.

Article 215 If the lease term is more than six months, it shall be in written form. If the parties fail to adopt a written form, it shall be regarded as an indefinite lease.

Article 216 The lessor shall deliver the lease item to the lessee as agreed, and keep the lease item in line with the agreed purpose during the lease period.

Article 217 The lessee shall use the lease item in the agreed way. If the method of using the lease item is not prescribed or clearly prescribed, and cannot be determined according to the provisions of Article 61 of this Law, it shall be used according to the nature of the lease item.

Article 218 Where the lessee uses the lease item according to the agreed method or the nature of the lease item, thereby causing losses to the lease item, it shall not be liable for damages.

Article 219 Where the lessee fails to use the lease item in accordance with the agreed method or the nature of the lease item, thereby causing losses to the lease item, the lessor may terminate the contract and demand compensation for the losses.

Article 220 The lessor shall perform the maintenance obligations of the lease item, unless otherwise agreed by the parties.

Article 221 Where the lease item needs maintenance, the lessee may require the lessor to maintain it within a reasonable period of time. If the lessor fails to perform the maintenance obligation, the lessee can carry out the maintenance by himself, and the maintenance expenses shall be borne by the lessor. If the maintenance of the leased property affects the lessee's use, the rent shall be reduced or the lease term shall be extended accordingly.

Article 222 The lessee shall take good care of the lease item, and shall be liable for damages if the lease item is damaged or lost due to improper care.

Article 223 The lessee may, with the consent of the lessor, improve or add the lease item.

If the lessee improves or adds other things to the lease item without the consent of the lessor, the lessor may require the lessee to restore the original state or compensate for the losses.

Article 224 The lessee may sublease the lease item to a third person with the consent of the lessor. If the lessee sublets, the lease contract between the lessee and the lessor shall remain valid, and if a third party causes losses to the leased property, the lessee shall compensate for the losses. If the lessee sublets without the consent of the lessor, the lessor may terminate the contract.

Article 225 Unless otherwise agreed by the parties, the proceeds from the possession and use of the lease item during the lease term shall be owned by the lessee.

Article 226 The lessee shall pay the rent at the agreed time limit. If the payment period is not agreed or clearly agreed, it cannot be determined according to the provisions of Article 61 of this Law. If the lease term is less than one year, it shall be paid at the expiration of the lease term; If the lease term is more than one year, it will be paid every year; if the remaining term is less than one year, it will be paid at the expiration of the lease term.

Article 227 Where the lessee fails to pay or delays in paying the rent without justifiable reasons, the lessor may require the lessee to pay within a reasonable period of time. If the lessee fails to pay within the time limit, the lessor may terminate the contract.

Article 228 Where the lessee is unable to use the lease item due to the claim of a third party, the lessee may request a reduction in the rent or not to pay the rent.

Where a third party claims rights, the lessee shall promptly notify the lessor.

Article 229 During the lease term, if the ownership of the lease item changes, the validity of the lease contract shall not be affected.

Article 230 Where the lessor sells the leased house, it shall notify the lessee within a reasonable period before the sale, and the lessee shall have the preemptive right under the same conditions.

Article 231 Where the lease item is damaged or lost due to reasons not attributable to the lessee, the lessee may request to reduce the rent or not pay the rent. If the purpose of the contract cannot be achieved due to partial or total damage or loss of the lease item, the lessee may terminate the contract.

Article 232 If the lease term is not prescribed or clearly prescribed by the parties and cannot be determined in accordance with the provisions of Article 61 of this Law, it shall be regarded as an indefinite lease. The parties may terminate the contract at any time, but the lessor shall notify the lessee before a reasonable time.

Article 233 Where the lease item endangers the safety or health of the lessee, the lessee may terminate the contract at any time, even if the lessee knew that the quality of the lease item was unqualified when concluding the contract.

Article 234 If the lessee dies during the lease of the house, the person who lived together before his death may lease the house in accordance with the original lease contract.

Article 235 Upon expiration of the lease term, the lessee shall return the lease item. The returned lease item shall conform to the state after use in accordance with the agreement or the nature of the lease item.

Article 236 Upon expiration of the lease term, if the lessee continues to use the lease item and the lessor does not raise any objection, the original lease contract will remain valid, but the lease term is indefinite.