3. Windows, doors and walls

This section includes building work for windows, internal walls, internal and external doorways, internal linings and finishes, and internal doorway alteration for accessibility reasons.

More details

The table below shows the exemptions included in this section and the professional you will need to approach for advice as needed.

Description Is an authorised professional legally required? Who can provide professional advice?
3.1 Windows and exterior doorways in existing dwellings and outbuildings No Licensed Building Practitioner
3.2 Alteration to entrance or internal doorway to facilitate access for persons with disabilities No Licensed Building Practitioner
3.3 Internal walls and doorways in existing building No Licensed Building Practitioner
3.4 Internal linings and finishes in an existing dwelling No Licensed Building Practitioner


*Owners must look at the relevant section of guidance to identify under which detailed conditions the building work qualifies for the exemption.

This information is published by the Ministry of Business, Innovation and Employment’s Chief Executive. It is a general guide only and, if used, does not relieve any person of the obligation to consider any matter to which the information relates according to the circumstances of the particular case. Expert advice may be required in specific circumstances. Where this information relates to assisting people: